b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 02:24

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General

Target
b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe
Size 89KB
Sample240726-cvv4latdmb
SHA256 b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5
MD5 3c03a954f58ac0d48fc430b529ccabde
SHA1 e213858b9731be70efc8e0b4a6380e354a0b28f7
SHA512 fa07a4ce56fd1bca1854da7b3f7267ff6dccc5ecaad18cfffa1fe97028f4dea25bb5e1eae4ef4e2b39b0990196a7ff1047cf325eadcf7678ad09d005638b477b
SSDEEP 1536:k9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:k9o6fK2XqXQwhnHlqQo8Lvy
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1936	5092	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5092	winver.exe
5092	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5092	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3568	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 5092	2356	b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe	84
PID 2356 wrote to memory of 5092	2356	b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe	84
PID 2356 wrote to memory of 5092	2356	b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe	84
PID 2356 wrote to memory of 5092	2356	b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe	84
PID 5092 wrote to memory of 3568	5092	winver.exe	56
PID 5092 wrote to memory of 2744	5092	winver.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2744

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3568
- C:\Users\Admin\AppData\Local\Temp\b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe
  "C:\Users\Admin\AppData\Local\Temp\b66895fe4a82e6df91fda5c77d28e01a02c313002681f4685a620eb0cc06c1f5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 640
      4⤵
      Program crash
      PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5092 -ip 5092
1⤵
PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2356-0-0x0000000002040000-0x0000000002042000-memory.dmp

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memory/2356-5-0x0000000002200000-0x0000000002C00000-memory.dmp

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memory/2356-12-0x0000000002200000-0x0000000002C00000-memory.dmp

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memory/2356-10-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2744-11-0x00000000001B0000-0x00000000001B6000-memory.dmp

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memory/2744-16-0x00007FFDE0850000-0x00007FFDE0851000-memory.dmp

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memory/2744-13-0x00000000001B0000-0x00000000001B6000-memory.dmp

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memory/3568-1-0x0000000001480000-0x0000000001486000-memory.dmp

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memory/3568-9-0x00007FFDE0860000-0x00007FFDE0861000-memory.dmp

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memory/3568-7-0x00007FFDE06CD000-0x00007FFDE06CE000-memory.dmp

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memory/3568-4-0x0000000001480000-0x0000000001486000-memory.dmp

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memory/5092-8-0x00007FFDE0630000-0x00007FFDE0825000-memory.dmp

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memory/5092-6-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

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memory/5092-2-0x0000000000620000-0x0000000000626000-memory.dmp

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memory/5092-14-0x0000000000620000-0x0000000000626000-memory.dmp

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