fab994fa45048661df3093ed45dad352e72fb5ccaf02d3dc088d31951ed06ad2

Analysis

max time kernel
136s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 05:43

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General

Target
fab994fa45048661df3093ed45dad352e72fb5ccaf02d3dc088d31951ed06ad2.dll
Size 76KB
Sample240816-ge1flasdrm
SHA256 fab994fa45048661df3093ed45dad352e72fb5ccaf02d3dc088d31951ed06ad2
MD5 f6bfb2adef476ea54f0b2099e6eaee58
SHA1 8c24cb3b503bf02a9f540cd46c31c098a6dab233
SHA512 8044613b6db01e4d397a706dc8e97f44ed038b12ae7c2fbfddfceae43cfbeda0e88a6c95b39fa46bb224fa8eacd3d991f6989980fcfa182d8395beab90f25d3f
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZCRnTup:c8y93KQjy7G55riF1cMo03vp
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/2032-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2032-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	2032	WerFault.exe	84

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2032	2352	rundll32.exe	84
PID 2352 wrote to memory of 2032	2352	rundll32.exe	84
PID 2352 wrote to memory of 2032	2352	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fab994fa45048661df3093ed45dad352e72fb5ccaf02d3dc088d31951ed06ad2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fab994fa45048661df3093ed45dad352e72fb5ccaf02d3dc088d31951ed06ad2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 704
    3⤵
    - Program crash
    PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2032 -ip 2032
1⤵
PID:1564

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/2032-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2032-1-0x0000000010000000-0x0000000010030000-memory.dmp