Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Sept. 8, 2021, 9:41 a.m.	Sept. 8, 2021, 9:48 a.m.

Size	782.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`8f388b3312600431d2eb17b497ab3ee2`
SHA256	`acef925c2479831aef6768ae25924db0b1ca0724327d5e372294768f524b434e`
CRC32	`FFF8218E`
ssdeep	`6144:0e+gtZkjyVX2TgtZkjyVDgtZkjyV6IGrEfxDxAzIljRmKLXWM3:1tMy92MtMy+tMyMIGrEfI8l9TJ`
Yara	PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals Generic_Malware_Zero - Generic Malware IsPE32 - (no description) Is_DotNET_EXE - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
1280
- InstallUtil.exe "C:\Users\test22\AppData\Local\Temp\\InstallUtil.exe"
  2208

Name	Response	Post-Analysis Lookup
pastebin.pl	A 168.119.93.163	168.119.93.163

IP Address	Status	Action
164.124.101.2	Active	Moloch
168.119.93.163	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.102:49163 -> 168.119.93.163:443	906200022	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined

Suricata TLS

Flow	Issuer	Subject	Fingerprint
TLS 1.2 192.168.56.102:49163 168.119.93.163:443	C=US, O=Let's Encrypt, CN=R3	CN=www.pastebin.pl	ac:45:0d:b9:ff:83:11:c8:c5:12:c5:2f:cd:cb:f0:77:cd:f9:9f:3e

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW Sept. 8, 2021, 9:42 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Sept. 8, 2021, 9:42 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Sept. 8, 2021, 9:42 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Sept. 8, 2021, 9:42 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 8, 2021, 9:41 a.m.			0	0
IsDebuggerPresent Sept. 8, 2021, 9:41 a.m.			0	0
IsDebuggerPresent Sept. 8, 2021, 9:42 a.m.			0	0
IsDebuggerPresent Sept. 8, 2021, 9:42 a.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey Sept. 8, 2021, 9:42 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x07584920 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Sept. 8, 2021, 9:42 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x07584960 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Sept. 8, 2021, 9:42 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x07584960 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Sept. 8, 2021, 9:41 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 8, 2021, 9:42 a.m.	stacktrace: 0x5917d0 0x590ffb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72b02652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72b1264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72b12e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72bc74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72bc7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72c51dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72c51e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72c51f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x72c5416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7405f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74d37f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74d34de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77b19ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77b19ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 53 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x591c43 registers.esp: 3271808 registers.edi: 3271832 registers.eax: 0 registers.ebp: 3271844 registers.edx: 195 registers.ebx: 3272100 registers.esi: 37132460 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Sept. 8, 2021, 9:42 a.m.

stacktrace:

0x5917d0
0x590ffb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72b02652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72b1264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72b12e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72bc74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72bc7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72c51dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72c51e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72c51f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x72c5416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7405f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74d37f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74d34de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77b19ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77b19ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 53 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x591c43
registers.esp: 3271808
registers.edi: 3271832
registers.eax: 0
registers.ebp: 3271844
registers.edx: 195
registers.ebx: 3272100
registers.esi: 37132460
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

HTTP traffic contains suspicious features which may be indicative of malware related traffic (1 event)

suspicious_features

GET method with no useragent header

suspicious_request

GET https://pastebin.pl/view/raw/ae498e11

Performs some HTTP requests (1 event)

request

GET https://pastebin.pl/view/raw/ae498e11

Allocates read-write-execute memory (usually to unpack itself) (50 out of 134 events)

Time & API	Arguments	Status	Return
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 1310720 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00780000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a1000 process_handle: 0xffffffff	1	0
NtProtectVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a2000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 1310720 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00830000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00930000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00392000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00570000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0039a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003bb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:41 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00571000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 63488 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680400 process_handle: 0xffffffff		3221225550
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00572000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006801a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006801c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006801f0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680218 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068ffae process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068ffa2 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068fc00 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068ffbc process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068ffe0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068ffe8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068ffec process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068fff4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068fff8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068fffc process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690008 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0069000c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690014 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690018 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0069001c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690024 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690028 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0069002c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690034 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690038 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0069003c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690044 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1280 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690048 process_handle: 0xffffffff		3221225550

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses Sept. 8, 2021, 9:41 a.m.	flags: 15 family: 0		111	0

Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Sept. 8, 2021, 9:42 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0
LookupPrivilegeValueW Sept. 8, 2021, 9:42 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (10 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	Run a KeyLogger	rule	KeyLogger
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2208 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000600	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation Sept. 8, 2021, 9:42 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

InstallUtil.exe tried to sleep 10912850 seconds, actually delayed analysis time by 10912850 seconds

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°$StringFileInfo000004b0,FileDescription 0FileVersion0.0.0.0x+InternalNameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe(LegalCopyright +OriginalFilenameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2208 process_handle: 0x00000600	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2208 process_handle: 0x00000600	1	1	0

File has been identified by 17 AntiVirus engines on VirusTotal as malicious (17 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.8f388b3312600431
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
BitDefenderTheta	Gen:NN.ZemsilF.34126.Wm0@a4xFX6e
Cyren	W32/MSIL_Kryptik.DSR.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/TrojanDownloader.Agent.IRJ
APEX	Malicious
Kaspersky	HEUR:Trojan-PSW.MSIL.Agensla.gen
Sophos	ML/PE-A
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
Malwarebytes	Trojan.MZCrypt.MSIL.Generic
SentinelOne	Static AI - Malicious PE
Panda	Trj/Genetic.gen
CrowdStrike	win/malicious_confidence_100% (W)
MaxSecure	Trojan.Malware.300983.susgen

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1280 called NtSetContextThread to modify thread in remote process 2208
NtSetContextThread Sept. 8, 2021, 9:42 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421278 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000005fc process_identifier: 2208	1	0	0

Attempts to remove evidence of file being downloaded from the Internet (1 event)

file	C:\Users\test22\AppData\Local\Temp\vbc.exe\:Zone.Identifier

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1280 resumed a thread in remote process 2208
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000005fc suspend_count: 1 process_identifier: 2208	1	0	0

Executed a process and injected code into it, probably while unpacking (29 events)

Time & API	Arguments	Status	Return
NtResumeThread Sept. 8, 2021, 9:41 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:41 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:41 a.m.	thread_handle: 0x00000194 suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:41 a.m.	thread_handle: 0x00000350 suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000005cc suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x0000023c suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000250 suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000005cc suspend_count: 1 process_identifier: 1280	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000005f8 suspend_count: 1 process_identifier: 1280	1	0
CreateProcessInternalW Sept. 8, 2021, 9:42 a.m.	thread_identifier: 2828 thread_handle: 0x000005fc process_identifier: 2208 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\InstallUtil.exe track: 1 command_line: "C:\Users\test22\AppData\Local\Temp\\InstallUtil.exe" filepath_r: C:\Users\test22\AppData\Local\Temp\\InstallUtil.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000600	1	1
NtGetContextThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000005fc	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2208 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000600	1	0
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELjé`àXv @ À@PvKX H.text¤V X `.rsrcXZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: base_address: 0x00402000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: 8Ph ÄhêÄ4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°$StringFileInfo000004b0,FileDescription 0FileVersion0.0.0.0x+InternalNameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe(LegalCopyright +OriginalFilenameeuBTclcChqenwdaokXVwrIozGFGzLmkrbZatUQ.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: p 6 base_address: 0x0043a000 process_identifier: 2208 process_handle: 0x00000600	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2208 process_handle: 0x00000600	1	1
NtSetContextThread Sept. 8, 2021, 9:42 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421278 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000005fc process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000005fc suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000001c8 suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x0000031c suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x00000344 suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x0000040c suspend_count: 1 process_identifier: 2208	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x0000040c suspend_count: 1 process_identifier: 2208	1	0

vbc.exe

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