161e74106d46e94656ab6b481e815ff78f831bd265d4db49bf0b769e0f46986c

Analysis

max time kernel
146s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 11:24

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General

Target

29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe
Size

148KB
MD5

a2ee379717bc28a26adf762edeea731d
SHA1

f2cfdad6d26c35439376b8ec2e7f1a1c4ca007a2
SHA256

29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815
SHA512

048565a411403c2b7fe8e5f630b83fc525369854f166a00a835a44074a0f180d05045388aa64e174397bb65241e9d5dcdf80cd4c841a90d49f326e8cc86d4a92
SSDEEP

1536:uv+pJdyvHh9Yvu356AlGC/kpNfDnfn8bbxvVOu3MwJMaKtqj78gE8v27O:t/dwh9uu39N81SbxthE8vCO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3452	1148	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1148	winver.exe
1148	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3348	Explorer.EXE
Token: SeCreatePagefilePrivilege	3348	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1148	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3348	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 1148	3572	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	84
PID 3572 wrote to memory of 1148	3572	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	84
PID 3572 wrote to memory of 1148	3572	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	84
PID 3572 wrote to memory of 1148	3572	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	84
PID 1148 wrote to memory of 3348	1148	winver.exe	56
PID 1148 wrote to memory of 2844	1148	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2844

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3348
- C:\Users\Admin\AppData\Local\Temp\29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe
  "C:\Users\Admin\AppData\Local\Temp\29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3572
- - 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:1148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 636
      4⤵
      Program crash
      PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1148 -ip 1148
1⤵
PID:2440

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/1148-9-0x0000000077752000-0x0000000077753000-memory.dmp

Filesize
4KB

Download
memory/1148-19-0x00000000001F0000-0x00000000001F7000-memory.dmp

Filesize
28KB

Download
memory/1148-8-0x00000000001F0000-0x00000000001F7000-memory.dmp

Filesize
28KB

Download
memory/2844-20-0x00007FFA33190000-0x00007FFA33191000-memory.dmp

Filesize
4KB

Download
memory/2844-16-0x00000000003C0000-0x00000000003C7000-memory.dmp

Filesize
28KB

Download
memory/2844-15-0x00000000003C0000-0x00000000003C7000-memory.dmp

Filesize
28KB

Download
memory/3348-12-0x00007FFA331A0000-0x00007FFA331A1000-memory.dmp

Filesize
4KB

Download
memory/3348-10-0x00000000015F0000-0x00000000015F7000-memory.dmp

Filesize
28KB

Download
memory/3348-4-0x00000000015F0000-0x00000000015F7000-memory.dmp

Filesize
28KB

Download
memory/3348-11-0x00007FFA3300D000-0x00007FFA3300E000-memory.dmp

Filesize
4KB

Download
memory/3572-0-0x000000000040C000-0x000000000040F000-memory.dmp

Filesize
12KB

Download
memory/3572-14-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/3572-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3572-2-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3572-3-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download