390d7f26d6eb9d933945df3d6f684f49388e13e2de4f936d81d1388194c15887

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 07:12

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General

Target

$PLUGINSDIR/SelfDelete.dll
Size

24KB
MD5

7bf1bd7661385621c7908e36958f582e
SHA1

43242d7731c097e95fb96753c8262609ff929410
SHA256

c0ad2c13d48c9fe62f898da822a5f08be3bf6c4e2c1c7ffdf7634f2ca4a8859e
SHA512

8317af5cc3ac802eb095f3fa8cc71daa1265ca58fead031c07872f3d4bb07663a7002ae734fad392a7617f0923fe0caf1f54ed55afdf8516a6a08e202d86fa7f
SSDEEP

96:1dIrJYYrzPpqAAZ9sNIaI2y9WulXEGNRrG:nuYATpq/viyYuEYRr

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 11 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 1752 wrote to memory of 2400	1752	rundll32.exe	30
PID 2400 wrote to memory of 1804	2400	rundll32.exe	31
PID 2400 wrote to memory of 1804	2400	rundll32.exe	31
PID 2400 wrote to memory of 1804	2400	rundll32.exe	31
PID 2400 wrote to memory of 1804	2400	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDelete.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- 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:2400
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c \DelUS.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1804

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

C:\DelUS.bat

Filesize
124B

MD5
745ca9604efcd5e232d637c301eb492d

SHA1
2152cec7ffd5f13c888157140cbb47acc615f0bb

SHA256
4c66c25986778e14e1662ba6b2f1cf2d0c03f177f7ee85d18581be8a6458fe24

SHA512
713915cb7fc58db8da7d7247181a6490705543a70a0fd980348639fd5f98acd2cb5149505cbf5e948c4ab0df36827ce783778a7733249c620c5ad2e6d1cf3253

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