13a24115a0eda97f96d09a3d239135e233cb6bfdc10504e9f0a6107ed274e161

Analysis

max time kernel
96s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 19:47

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General

Target

$PLUGINSDIR/sign.dll
Size

32KB
MD5

d30b6c8d2f38e6abbb2f39bac0808bc0
SHA1

f1bca6416ae0f4c52e5b076381c72b18472954d8
SHA256

1f2b4549129c1b98c5674fe363a0267376dfd623323c5815216043dfa7fe1f2a
SHA512

3bf03d839ffa04c1d5eeb89a6405820ab2eea3548050e730255df7e84dfc729157c0d5c7eceeead5e8e1f4aa23777fe78a5582f0772c85bf0f793dd245a887e8
SSDEEP

768:ciIqw3a6iG3SvsvUccH/ixF5cGIv5pXi:ci23avGCvycH/ifXuc

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral8/memory/4788-0-0x0000000074AD0000-0x0000000074AE7000-memory.dmp	upx
behavioral8/memory/4788-2-0x0000000074AD0000-0x0000000074AE7000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3544	4788	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 4788	4688	rundll32.exe	83
PID 4688 wrote to memory of 4788	4688	rundll32.exe	83
PID 4688 wrote to memory of 4788	4688	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 716
    3⤵
    - Program crash
    PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4788 -ip 4788
1⤵
PID:1956

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

Replay Monitor

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Downloads

memory/4788-0-0x0000000074AD0000-0x0000000074AE7000-memory.dmp

Filesize
92KB

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memory/4788-2-0x0000000074AD0000-0x0000000074AE7000-memory.dmp

Filesize
92KB

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