5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31/07/2024, 22:36

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General

Target
5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe
Size 89KB
Sample240731-2jfxzasake
SHA256 5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb
MD5 c86fc23df4596803d0d6c6eb5cd8cca7
SHA1 4b31053342920da0aee386bbe7290547479c3620
SHA512 28a3d1346d748056a8da4ed9dedfd31c0d2c5609b94724c2a299d556d85427cbf98bd792da08eb0f0e67bb5e678b33d0bbb30371b4ecc4219a9391b4ff982c5b
SSDEEP 1536:u9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:u9o6fK2XqXQwhnHlqQo8Lvy
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	920	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	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
920	winver.exe
920	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
920	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3532	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 920	1816	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	82
PID 1816 wrote to memory of 920	1816	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	82
PID 1816 wrote to memory of 920	1816	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	82
PID 1816 wrote to memory of 920	1816	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	82
PID 920 wrote to memory of 3532	920	winver.exe	56
PID 920 wrote to memory of 2516	920	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2516

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3532
- C:\Users\Admin\AppData\Local\Temp\5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe
  "C:\Users\Admin\AppData\Local\Temp\5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1816
- - 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:920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 632
      4⤵
      Program crash
      PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 920 -ip 920
1⤵
PID:2096

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/920-6-0x0000000076F02000-0x0000000076F03000-memory.dmp

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memory/920-13-0x0000000001280000-0x0000000001286000-memory.dmp

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memory/920-2-0x0000000001280000-0x0000000001286000-memory.dmp

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memory/920-8-0x00007FF916330000-0x00007FF916525000-memory.dmp

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memory/1816-10-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/1816-5-0x00000000022F0000-0x0000000002CF0000-memory.dmp

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memory/1816-0-0x0000000000890000-0x0000000000892000-memory.dmp

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memory/2516-11-0x0000000000C30000-0x0000000000C36000-memory.dmp

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memory/2516-12-0x0000000000C30000-0x0000000000C36000-memory.dmp

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memory/3532-7-0x00007FF9163CD000-0x00007FF9163CE000-memory.dmp

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memory/3532-1-0x00000000031B0000-0x00000000031B6000-memory.dmp

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memory/3532-9-0x00007FF916560000-0x00007FF916561000-memory.dmp

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memory/3532-4-0x00000000031B0000-0x00000000031B6000-memory.dmp

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