0b5e2c2aecf0e3d70b5a6b1502be8035d5fc7327c4b3dc7c0f6fcef7ff233086

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 15:15

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General

Target

$PLUGINSDIR/UpdHelper.dll
Size

133KB
MD5

452ce0b8d77359961b7918cbb98a4dba
SHA1

4d14210d41ac4ee0d3644dbdb35822d6bd28c126
SHA256

6e5f58aac49eb4662467f301309fc1b85d588fa71ab281dc8cd57b22850ed7e4
SHA512

d7300aab2ef365310334ccf7781f9e1d0b38709f3f740ac4267215b1a8bfcf5889ae72a83fa986ea0542622ce348982beaa17b3ee3c10a67e8dab32cb9aa8d7c
SSDEEP

1536:zh4urXX51BB1Yha4+Tb9wrCz33zl7e7okmkeIgt2I/j1bE6c+PsWjcdEMh75+8n8:zxXXn1XhwMT90t3MS7EM5+8nxkkC

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1668	1920	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 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 2120 wrote to memory of 1920	2120	rundll32.exe	30
PID 1920 wrote to memory of 1668	1920	rundll32.exe	31
PID 1920 wrote to memory of 1668	1920	rundll32.exe	31
PID 1920 wrote to memory of 1668	1920	rundll32.exe	31
PID 1920 wrote to memory of 1668	1920	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UpdHelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UpdHelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 308
    3⤵
    - Program crash
    PID:1668

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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