186761a11648dd53507440f3c9f045fbaf507a460f3696650e2496dae208dba0

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 14:08

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General

Target
$PLUGINSDIR/SelfDelete.dll
Size 24KB
Sample240824-rfmk8stcrb
SHA256 c0ad2c13d48c9fe62f898da822a5f08be3bf6c4e2c1c7ffdf7634f2ca4a8859e
MD5 7bf1bd7661385621c7908e36958f582e
SHA1 43242d7731c097e95fb96753c8262609ff929410
SHA512 8317af5cc3ac802eb095f3fa8cc71daa1265ca58fead031c07872f3d4bb07663a7002ae734fad392a7617f0923fe0caf1f54ed55afdf8516a6a08e202d86fa7f
SSDEEP 96:1dIrJYYrzPpqAAZ9sNIaI2y9WulXEGNRrG:nuYATpq/viyYuEYRr
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 4372	1176	rundll32.exe	84
PID 1176 wrote to memory of 4372	1176	rundll32.exe	84
PID 1176 wrote to memory of 4372	1176	rundll32.exe	84
PID 4372 wrote to memory of 3212	4372	rundll32.exe	86
PID 4372 wrote to memory of 3212	4372	rundll32.exe	86
PID 4372 wrote to memory of 3212	4372	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDelete.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDelete.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c \DelUS.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3212

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

DelUS.bat

Path C:\DelUS.bat
Size 124B
SHA256 4c66c25986778e14e1662ba6b2f1cf2d0c03f177f7ee85d18581be8a6458fe24
MD5 745ca9604efcd5e232d637c301eb492d
SHA1 2152cec7ffd5f13c888157140cbb47acc615f0bb
SHA512 713915cb7fc58db8da7d7247181a6490705543a70a0fd980348639fd5f98acd2cb5149505cbf5e948c4ab0df36827ce783778a7733249c620c5ad2e6d1cf3253
MD5 SHA1 SHA512

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