aa3874dd640b90e924c5d8f7c92fa932714e436e688611a4d2e634f58122f918

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 05:52

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General

Target
$PLUGINSDIR/UAC.dll
Size 13KB
Sample240901-gk5mhatamn
SHA256 c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af
MD5 a88baad3461d2e9928a15753b1d93fd7
SHA1 bb826e35264968bbc3b981d8430ac55df1e6d4a6
SHA512 5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a
SSDEEP 192:qP6KdXy+Yo7e1J8qC25a5mDFmCLGUCVGpU6uNck87I0S/TDqwyTq+:q/q3Pgd5mx6VkEck87ILCTN
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	3012	WerFault.exe	29

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 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 2056 wrote to memory of 3012	2056	rundll32.exe	29
PID 3012 wrote to memory of 3052	3012	rundll32.exe	30
PID 3012 wrote to memory of 3052	3012	rundll32.exe	30
PID 3012 wrote to memory of 3052	3012	rundll32.exe	30
PID 3012 wrote to memory of 3052	3012	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 228
    3⤵
    - Program crash
    PID:3052

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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