14df1452d507025a1bf079a3b500defdcfc3443c25212154636f5afa7b81dc55

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 17:45

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General

Target

$PLUGINSDIR/frxdwew.dll
Size

158KB
MD5

c2bc7115e45cd13205ae5537c9d85947
SHA1

06ba255cac7dd364160923898c0087e966e63505
SHA256

8f8722ed438b81ae932e3815fe3287e35fe275d75cd9ca693509f980f9fd49ae
SHA512

7962d572a3ace8d2aa7a336669e442b8ae0497df4c15bcca01b72391299712885263f18d8ca4099ee4b5dfd233977f0fb3d1565261e6a25652d5f9e8e8d7cde2
SSDEEP

3072:m7tD6/asqMGd1aM61lu5xEq+JWTY/DEO7d:m7nDdYMVxFDcEO7

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1256	1056	WerFault.exe	28

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 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1636 wrote to memory of 1056	1636	rundll32.exe	28
PID 1056 wrote to memory of 1256	1056	rundll32.exe	29
PID 1056 wrote to memory of 1256	1056	rundll32.exe	29
PID 1056 wrote to memory of 1256	1056	rundll32.exe	29
PID 1056 wrote to memory of 1256	1056	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\frxdwew.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\frxdwew.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 220
    3⤵
    - Program crash
    PID:1256

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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