0b6db0cbd5af09eba2eea7a3145f468ca190a1db48905df96a28acddb96efb67

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21/01/2025, 16:19

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General

Target
$PLUGINSDIR/System.dll
Size 10KB
Sample250121-tsrf3asphj
SHA256 cf61ddd15d63c25a12caee70f51ea736cfc02195c42e56ee01b33f689d3754c5
MD5 4eff5fafd746f5decb93a44e3a3d570c
SHA1 a11aa7681b7e2df1c7f7492a127d332d1495ea8a
SHA512 cde82d2a1f28506e4c2264f6b82017a00af32f138ebcdbaf4cc58463870fa626f708aa57465294c5a6f096c886841e7b9112b85bf3ea2f1d8f2da816b51b2d72
SSDEEP 192:0OycJo/rJVCmIDNLU0dq5RD00lspbub76yL:6/QQ0d0RD0USq/6y
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2216	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 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2216 wrote to memory of 2792	2216	rundll32.exe	31
PID 2216 wrote to memory of 2792	2216	rundll32.exe	31
PID 2216 wrote to memory of 2792	2216	rundll32.exe	31
PID 2216 wrote to memory of 2792	2216	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 224
    3⤵
    - Program crash
    PID:2792

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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