8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667

Analysis

max time kernel
106s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 10:07

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General

Target

8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe
Size

425KB
MD5

3dde2178a7376015838d6d582f836146
SHA1

20667e2cd0e4b27aff72ae01db18958db2ad9aa0
SHA256

8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667
SHA512

3d6656ef02a265a44b35d9b9946c6866048d84def57f34716059cacee00ae28a133c0f5a1bf3cbcba593c1acf1f0b6ce908e369a8a4407d5efef0506aa6881d4
SSDEEP

6144:bCE6/mUXJ531nIUliViSZbLhaZfvMlLXICg2vj7Oyzu:F6TOUMBQf0ljW2vj7Oyzu

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1764	3596	WerFault.exe	82

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	8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3596	winver.exe
3596	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3564	Explorer.EXE
Token: SeCreatePagefilePrivilege	3564	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 3596	3968	8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe	82
PID 3968 wrote to memory of 3596	3968	8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe	82
PID 3968 wrote to memory of 3596	3968	8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe	82
PID 3968 wrote to memory of 3596	3968	8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe	82
PID 3596 wrote to memory of 3564	3596	winver.exe	56
PID 3596 wrote to memory of 2448	3596	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2448

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3564
- C:\Users\Admin\AppData\Local\Temp\8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe
  "C:\Users\Admin\AppData\Local\Temp\8bf8ac7efd2c64781e3d324a514341ac575dc815bdc4990419ac3363dc14e667.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3968
- - 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:3596
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 636
      4⤵
      Program crash
      PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3596 -ip 3596
1⤵
PID:3740

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/2448-15-0x00000000004A0000-0x00000000004A7000-memory.dmp

Filesize
28KB

Download
memory/2448-14-0x00000000004A0000-0x00000000004A7000-memory.dmp

Filesize
28KB

Download
memory/3564-11-0x00007FF9A008D000-0x00007FF9A008E000-memory.dmp

Filesize
4KB

Download
memory/3564-10-0x0000000000AC0000-0x0000000000AC7000-memory.dmp

Filesize
28KB

Download
memory/3596-9-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/3596-16-0x0000000000E00000-0x0000000000E07000-memory.dmp

Filesize
28KB

Download
memory/3596-4-0x0000000000E00000-0x0000000000E07000-memory.dmp

Filesize
28KB

Download
memory/3596-6-0x0000000000E00000-0x0000000000E07000-memory.dmp

Filesize
28KB

Download
memory/3968-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3968-13-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/3968-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/3968-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3968-2-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download