Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	May 19, 2022, 9:06 a.m.	May 19, 2022, 9:12 a.m.

Size	209.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`dafb5f90a7e12d6c989b1b3be1ff45f4`
SHA256	`0a840e0d003dbbe94510ba7ce6db2c41e5bcdbe4d8dfcb8f1a8b0f15d710419d`
CRC32	`20821782`
ssdeep	`3072:7Oj+6aK2lKmb36WWClCp3fL4KHtAvgZ71Nq15jDone/C30YBJm8gXN8seDUdTHVv:qqKgZ3zWClCV3L350WIzVpFl`
Yara	IsPE32 - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature

cmd.exe "C:\Windows\System32\cmd.exe" /c timeout 20
2604
- timeout.exe timeout 20
  2664
MSBuild.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
2784

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
195.133.18.171	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW May 19, 2022, 9:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 19, 2022, 9:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 19, 2022, 9:07 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 19, 2022, 9:07 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent May 19, 2022, 9:06 a.m.			0	0
IsDebuggerPresent May 19, 2022, 9:06 a.m.			0	0

Command line console output was observed (2 events)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW May 19, 2022, 9:06 a.m.	buffer: Waiting for 20 console_handle: 0x00000007	1	1	0
WriteConsoleW May 19, 2022, 9:06 a.m.	buffer: seconds, press a key to continue ... console_handle: 0x00000007	1	1	0

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 May 19, 2022, 9:06 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ May 19, 2022, 9:07 a.m.	stacktrace: 0xa91798 0xa90fc3 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x738c2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x738d264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x738d2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x739874ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x73987610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x73a11dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x73a11e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x73a11f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x73a1416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x73f6f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74277f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74274de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x772e9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x772e9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 8b d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0xa91c0b registers.esp: 4125488 registers.edi: 4125512 registers.eax: 0 registers.ebp: 4125524 registers.edx: 195 registers.ebx: 4125772 registers.esi: 40414556 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

May 19, 2022, 9:07 a.m.

stacktrace:

0xa91798
0xa90fc3
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x738c2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x738d264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x738d2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x739874ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x73987610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x73a11dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x73a11e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x73a11f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x73a1416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x73f6f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74277f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74274de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x772e9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x772e9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 8b d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0xa91c0b
registers.esp: 4125488
registers.edi: 4125512
registers.eax: 0
registers.ebp: 4125524
registers.edx: 195
registers.ebx: 4125772
registers.esi: 40414556
registers.ecx: 0

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

suspicious_features

GET method with no useragent header, Connection to IP address

suspicious_request

GET http://195.133.18.171/Rvjgwbak_Mrotqjsb.jpg

Performs some HTTP requests (1 event)

request

GET http://195.133.18.171/Rvjgwbak_Mrotqjsb.jpg

Allocates read-write-execute memory (usually to unpack itself) (32 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 1507328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00440000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 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
NtProtectVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x738c1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x738c2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02420000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x025d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002a2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002d5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002db000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a90000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a91000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:06 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002c6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00de0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00de1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a92000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a93000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a94000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 9:07 a.m.	process_identifier: 2784 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a95000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW May 19, 2022, 9:06 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (12 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	PWS Memory	rule	Generic_PWS_Memory_Zero
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	Checks if being debugged	rule	anti_dbg
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

Communicates with host for which no DNS query was performed (1 event)

host

195.133.18.171

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation May 19, 2022, 9:07 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

MSBuild.exe tried to sleep 10912847 seconds, actually delayed analysis time by 10912847 seconds

File has been identified by 18 AntiVirus engines on VirusTotal as malicious (18 events)

Bkav	W32.AIDetectNet.01
Elastic	malicious (high confidence)
FireEye	Generic.mg.dafb5f90a7e12d6c
Cylance	Unsafe
Sangfor	Suspicious.Win32.Save.a
Cyren	W32/Faker.H.gen!Eldorado
ESET-NOD32	a variant of MSIL/GenKryptik.FUQO
APEX	Malicious
Kaspersky	UDS:Trojan-PSW.MSIL.Agensla.gen
Avast	DropperX-gen [Drp]
Ikarus	Trojan-Downloader.MSIL.Agent
Microsoft	Trojan:Win32/Wacatac.B!ml
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win.MSILKrypt.R478223
BitDefenderTheta	Gen:NN.ZemsilF.34666.nm0@amXTPej
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
AVG	DropperX-gen [Drp]

rvjgwbak.exe

Process Tree Toggle all

Network Toggle all

Suricata Toggle all

Suricata Alerts

Suricata TLS

Signatures Toggle All