394df34b4d404cbf084be4f6b6bf530b80ab6ba4dbb7f2c6b3963f4632a68dcd

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 20:23

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General

Target

b8a776cef9de7236be8b5aa794faf792e1669e2f242fefe2a9bca537f18f491a.dll
Size

276KB
MD5

597c93401eb5b9e4ad163cfaf6f8c9a3
SHA1

ae4ce01f48a4e2a438416c724b659d23953b2e22
SHA256

b8a776cef9de7236be8b5aa794faf792e1669e2f242fefe2a9bca537f18f491a
SHA512

8b2df67a28539a8d8778dea987bc0223b5eb3dbebc523686a1fbd5dd0a69ce98cdb04324dc9358f4a217fe303a292ff7e34cdc349cc50533b2c93cf52dbcf789
SSDEEP

3072:Pjh9N4a1j712h9Td2+1lxvTeZna8xUhUbT15adYke/wZU2PWOqZFisosukc:PjdFKdoSxvixTxUAHh/w2GWzhKkc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2644	2124	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2216 wrote to memory of 2124	2216	rundll32.exe	30
PID 2124 wrote to memory of 2644	2124	rundll32.exe	31
PID 2124 wrote to memory of 2644	2124	rundll32.exe	31
PID 2124 wrote to memory of 2644	2124	rundll32.exe	31
PID 2124 wrote to memory of 2644	2124	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8a776cef9de7236be8b5aa794faf792e1669e2f242fefe2a9bca537f18f491a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8a776cef9de7236be8b5aa794faf792e1669e2f242fefe2a9bca537f18f491a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 240
    3⤵
    - Program crash
    PID:2644

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

Windows 7 deprecation

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