15591d49543bbf29354fa33186d9c7ed572a77fe5734e245ee7eabb53fd898e2

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 15:42

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General

Target

$PLUGINSDIR/UAC.dll
Size

13KB
MD5

29858669d7da388d1e62b4fd5337af12
SHA1

756b94898429a9025a04ae227f060952f1149a5f
SHA256

c24c005daa7f5578c4372b38d1be6be5e27ef3ba2cdb9b67fee15cac406eba62
SHA512

6f4d538f2fe0681f357bab73f633943c539ddc1451efa1d1bb76d70bb47aa68a05849e36ae405cc4664598a8194227fa7053de6dbce7d6c52a20301293b3c85f
SSDEEP

384:RlNMjIH4DnFnyJ0Dt5ZtmVWsSLr4z9VwzU:RlqMYzFnD/tmQFLrSw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3056	2992	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 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 3044 wrote to memory of 2992	3044	rundll32.exe	30
PID 2992 wrote to memory of 3056	2992	rundll32.exe	31
PID 2992 wrote to memory of 3056	2992	rundll32.exe	31
PID 2992 wrote to memory of 3056	2992	rundll32.exe	31
PID 2992 wrote to memory of 3056	2992	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- 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:2992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 224
    3⤵
    - Program crash
    PID:3056

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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