Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Nov. 13, 2021, 12:59 p.m.	Nov. 13, 2021, 1:26 p.m.

Size	291.6KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5	`479cffcb45bfb5e8b97858ce3cb2c128`
SHA256	`c0a0b110892a3d8beef47a6e63b255c731265165b15c0f7b8452404ab1080fcc`
CRC32	`2294C288`
ssdeep	`6144:rGiXMoUC1OPcTqWMIl4hYpT813TL8UhLnXJlvjvijhKaBGu8cwR6n:TMoUUtJ4hYEjL8UpLij585Mn`
Yara	PE_Header_Zero - PE File Signature IsPE32 - (no description) Malicious_Library_Zero - Malicious_Library UPX_Zero - UPX packed file

mar-signature_request.exe "C:\Users\test22\AppData\Local\Temp\mar-signature_request.exe"
2772
- mar-signature_request.exe "C:\Users\test22\AppData\Local\Temp\mar-signature_request.exe"
  2872

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
185.242.104.143	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (1 event)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA Nov. 13, 2021, 12:59 p.m.	computer_name: TEST22-PC	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 Nov. 13, 2021, 12:59 p.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.ndata

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Nov. 13, 2021, 1 p.m.	stacktrace: mar-signature_request+0x80a4 @ 0x4080a4 mar-signature_request+0x82f5 @ 0x4082f5 mar-signature_request+0x9ba2 @ 0x409ba2 mar-signature_request+0x9de2 @ 0x409de2 mar-signature_request+0x5e60 @ 0x405e60 mar-signature_request+0x6245 @ 0x406245 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x766e33ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77679ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77679ea5 exception.symbol: exception.exception_code: 0xc0000005 exception.address: 0x0 registers.esp: 1623724 registers.edi: 0 registers.eax: 26 registers.ebp: 1624300 registers.edx: 1623764 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 1624296	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Nov. 13, 2021, 1 p.m.

stacktrace:

mar-signature_request+0x80a4 @ 0x4080a4
mar-signature_request+0x82f5 @ 0x4082f5
mar-signature_request+0x9ba2 @ 0x409ba2
mar-signature_request+0x9de2 @ 0x409de2
mar-signature_request+0x5e60 @ 0x405e60
mar-signature_request+0x6245 @ 0x406245
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x766e33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77679ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77679ea5

exception.symbol:
exception.exception_code: 0xc0000005
exception.address: 0x0
registers.esp: 1623724
registers.edi: 0
registers.eax: 26
registers.ebp: 1624300
registers.edx: 1623764
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 1624296

Allocates read-write-execute memory (usually to unpack itself) (2 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Nov. 13, 2021, 12:59 p.m.	process_identifier: 2772 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73a12000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Nov. 13, 2021, 12:59 p.m.	process_identifier: 2772 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8192 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74324000 process_handle: 0xffffffff	1	0	0

Steals private information from local Internet browsers (1 event)

file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\Local State

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\nswDF93.tmp\pccobxylp.dll

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Temp\nswDF93.tmp\pccobxylp.dll

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

host

185.242.104.143

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Nov. 13, 2021, 12:59 p.m.	process_identifier: 2872 region_size: 110592 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: 0x000001f0	1	0	0

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 2772 called NtSetContextThread to modify thread in remote process 2872
NtSetContextThread Nov. 13, 2021, 12:59 p.m.	registers.eip: 2003108292 registers.esp: 1638384 registers.edi: 0 registers.eax: 4219392 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001e8 process_identifier: 2872	1	0	0

File has been identified by 24 AntiVirus engines on VirusTotal as malicious (24 events)

MicroWorld-eScan	Trojan.NSISX.Spy.Gen.2
McAfee	Artemis!479CFFCB45BF
Cylance	Unsafe
Arcabit	Zum.Androm.1
Cyren	W32/Injector.APR.gen!Eldorado
Symantec	Packed.Generic.606
Paloalto	generic.ml
Kaspersky	UDS:Trojan.Win32.Inject.anwrq
BitDefender	Trojan.NSISX.Spy.Gen.2
Avast	FileRepMalware
Sophos	Mal/Generic-R
McAfee-GW-Edition	BehavesLike.Win32.Dropper.dc
SentinelOne	Static AI - Suspicious PE
FireEye	Trojan.NSISX.Spy.Gen.2
Emsisoft	Trojan.NSISX.Spy.Gen.2 (B)
Ikarus	Trojan.NSIS.Agent.S
Kingsoft	Win32.Troj.Undef.(kcloud)
Microsoft	Trojan:Win32/Woreflint.A!cl
GData	Zum.Androm.1
APEX	Malicious
MAX	malware (ai score=84)
Fortinet	W32/Injector.APR!tr
AVG	FileRepMalware
Cybereason	malicious.b45bfb

Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) (1 event)

dead_host

185.242.104.143:80

Executed a process and injected code into it, probably while unpacking (4 events)

Time & API	Arguments	Status	Return
CreateProcessInternalW Nov. 13, 2021, 12:59 p.m.	thread_identifier: 2876 thread_handle: 0x000001e8 process_identifier: 2872 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\mar-signature_request.exe track: 1 command_line: "C:\Users\test22\AppData\Local\Temp\mar-signature_request.exe" filepath_r: C:\Users\test22\AppData\Local\Temp\mar-signature_request.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000001f0	1	1
NtGetContextThread Nov. 13, 2021, 12:59 p.m.	thread_handle: 0x000001e8	1	0
NtAllocateVirtualMemory Nov. 13, 2021, 12:59 p.m.	process_identifier: 2872 region_size: 110592 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: 0x000001f0	1	0
NtSetContextThread Nov. 13, 2021, 12:59 p.m.	registers.eip: 2003108292 registers.esp: 1638384 registers.edi: 0 registers.eax: 4219392 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001e8 process_identifier: 2872	1	0

mar-signature_request.exe

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