f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1

Analysis

max time kernel
118s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 21:13

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General

Target

f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe
Size

89KB
MD5

1f65366ce515f030ca88131b275add20
SHA1

60406145f3ab42a45ad9d96b2be0df99fe94d353
SHA256

f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1
SHA512

aad7a7957abb303ff8f219a97794971145fb05efb7a27addd9c255acdca16580bdf5f3788d55c042244371ec7204bf60cae2dfda243dd66d7db9178b9842092a
SSDEEP

1536:T9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:T9o6fK2XqXQwhnHlqQo8Lvy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2444 4504 WerFault.exe winver.exe

pid	pid_target	process	target process
2444	4504	WerFault.exe	winver.exe

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

Processes:

f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

4504 winver.exe
4504 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3432 Explorer.EXE
Token: SeCreatePagefilePrivilege 3432 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

4504 winver.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3432 Explorer.EXE

pid	process
4504	winver.exe
4504	winver.exe

description	pid	process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

pid	process
4504	winver.exe

pid	process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exewinver.exe

description	pid	process	target process
PID 4740 wrote to memory of 4504	4740	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	winver.exe
PID 4740 wrote to memory of 4504	4740	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	winver.exe
PID 4740 wrote to memory of 4504	4740	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	winver.exe
PID 4740 wrote to memory of 4504	4740	f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe	winver.exe
PID 4504 wrote to memory of 3432	4504	winver.exe	Explorer.EXE
PID 4504 wrote to memory of 2636	4504	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe
  "C:\Users\Admin\AppData\Local\Temp\f5dc98192c45cd8d9afbc0f1e59ea93164aebab8aa7a3dfc0f1a78d1956db8e1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4740
- - 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:4504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 640
      4⤵
      Program crash
      PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4504 -ip 4504
1⤵
PID:380

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/2636-10-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2636-12-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3432-13-0x00007FFD9DDC0000-0x00007FFD9DDC1000-memory.dmp

Filesize
4KB

Download
memory/3432-1-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3432-4-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFD9DC2D000-0x00007FFD9DC2E000-memory.dmp

Filesize
4KB

Download
memory/4504-6-0x0000000077172000-0x0000000077173000-memory.dmp

Filesize
4KB

Download
memory/4504-8-0x00007FFD9DB90000-0x00007FFD9DD85000-memory.dmp

Filesize
2.0MB

Download
memory/4504-2-0x00000000028E0000-0x00000000028E6000-memory.dmp

Filesize
24KB

Download
memory/4504-14-0x00000000028E0000-0x00000000028E6000-memory.dmp

Filesize
24KB

Download
memory/4740-0-0x0000000000460000-0x0000000000462000-memory.dmp

Filesize
8KB

Download
memory/4740-11-0x00000000023B0000-0x0000000002DB0000-memory.dmp

Filesize
10.0MB

Download
memory/4740-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4740-5-0x00000000023B0000-0x0000000002DB0000-memory.dmp

Filesize
10.0MB

Download