b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42

Analysis

max time kernel
135s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/09/2024, 01:21

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General

Target

b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe
Size

89KB
MD5

48ea9300779f17c7b054a9ce7adc32f7
SHA1

29b93ae4437264a7f25db4ea1c1c921cc6e6bfa7
SHA256

b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42
SHA512

04578d59e9862787ae01aed4bae45d15607a6007366862e95bf5e9b4ff6e022917c36cb19c1ba444b71437082e74fcbb2fa75f3d05c7d57ab1b680df098eb8b4
SSDEEP

1536:m9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:m9o6fK2XqXQwhnHlqQo8Lvy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3240	3320	WerFault.exe	83

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	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3320	winver.exe
3320	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3320	winver.exe
3460	Explorer.EXE
3460	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3460	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 3320	4648	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	83
PID 4648 wrote to memory of 3320	4648	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	83
PID 4648 wrote to memory of 3320	4648	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	83
PID 4648 wrote to memory of 3320	4648	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	83
PID 3320 wrote to memory of 3460	3320	winver.exe	55
PID 3320 wrote to memory of 2656	3320	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3460
- C:\Users\Admin\AppData\Local\Temp\b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe
  "C:\Users\Admin\AppData\Local\Temp\b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4648
- - 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:3320
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 640
      4⤵
      Program crash
      PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3320 -ip 3320
1⤵
PID:1076

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/2656-12-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2656-11-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3320-6-0x00000000770A2000-0x00000000770A3000-memory.dmp

Filesize
4KB

Download
memory/3320-15-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3320-2-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3320-8-0x00007FFE91990000-0x00007FFE91B85000-memory.dmp

Filesize
2.0MB

Download
memory/3460-1-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/3460-7-0x00007FFE91A2D000-0x00007FFE91A2E000-memory.dmp

Filesize
4KB

Download
memory/3460-9-0x00007FFE91BC0000-0x00007FFE91BC1000-memory.dmp

Filesize
4KB

Download
memory/3460-14-0x00007FFE91BA0000-0x00007FFE91BA1000-memory.dmp

Filesize
4KB

Download
memory/3460-4-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/4648-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4648-5-0x0000000002450000-0x0000000002E50000-memory.dmp

Filesize
10.0MB

Download
memory/4648-0-0x00000000009D0000-0x00000000009D2000-memory.dmp

Filesize
8KB

Download
memory/4648-13-0x0000000002450000-0x0000000002E50000-memory.dmp

Filesize
10.0MB

Download