b4bc33cd161129d154933e83c8435f9020e006b3a4f9b7cd05b5e8637dcea4e3

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 02:42 UTC

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General

Target

$PLUGINSDIR/ExtractDLLEx.dll
Size

7KB
MD5

ba4063f437abb349aa9120e9c320c467
SHA1

b045d785f6041e25d6be031ae2af4d4504e87b12
SHA256

73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
SHA512

48a813f55834069f8c6b90740de3df01564a136b0fe637f9f85cc1a19d7f32b1f70205ff2462526508fe3c1962d7c1e8e384c40463e328538aeba28e8d0fb92a
SSDEEP

96:lyEPmi/06iLbX8SIP59L1MmqPbgkk/eWKCHGojGYYIF/ggiomsTeZUzI:lyEPmymbMbPZOz+/eWJmoUItiopTeZ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2776	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 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2936 wrote to memory of 2776	2936	rundll32.exe	30
PID 2776 wrote to memory of 2792	2776	rundll32.exe	31
PID 2776 wrote to memory of 2792	2776	rundll32.exe	31
PID 2776 wrote to memory of 2792	2776	rundll32.exe	31
PID 2776 wrote to memory of 2792	2776	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExtractDLLEx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExtractDLLEx.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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