2fa2ea705e7645125431c88f0ae61fab9a021c0b388c5546194e315e30616a54

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 16:11

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General

Target

$PLUGINSDIR/chrmPref.dll
Size

160KB
MD5

e02590b95a6be07cea5c5f3daf66e775
SHA1

28b6350c43d3804f69faa5f48cab70e229dd182a
SHA256

a87ec5894c667c5eb22201172792027a525a375a9e6468aa4612ccf6875b1112
SHA512

30e3abdeb2fa3c2e1bdc94e1e2b9f7fa9c85ff3d10198166e99e66a92a0ae4d62871a621eab069b1dfe2a99a7a4d457a494d91c811f1bd93c51f120f5ff692b5
SSDEEP

3072:0DNlF2bX2rBTxNwIjCRMOwt+kG2Dkq150yurKNN535xzFHcu:0DNlF24BmXH2f50L4ji

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2132	2404	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 292 wrote to memory of 2404	292	rundll32.exe	30
PID 292 wrote to memory of 2404	292	rundll32.exe	30
PID 292 wrote to memory of 2404	292	rundll32.exe	30
PID 292 wrote to memory of 2404	292	rundll32.exe	30
PID 292 wrote to memory of 2404	292	rundll32.exe	30
PID 292 wrote to memory of 2404	292	rundll32.exe	30
PID 292 wrote to memory of 2404	292	rundll32.exe	30
PID 2404 wrote to memory of 2132	2404	rundll32.exe	31
PID 2404 wrote to memory of 2132	2404	rundll32.exe	31
PID 2404 wrote to memory of 2132	2404	rundll32.exe	31
PID 2404 wrote to memory of 2132	2404	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\chrmPref.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\chrmPref.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 228
    3⤵
    - Program crash
    PID:2132

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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