022f8744f2386cd61272a6e577c4857e83153b8f2de08adcbd1cb9880474c6d2

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 18:07

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General

Target
022f8744f2386cd61272a6e577c4857e83153b8f2de08adcbd1cb9880474c6d2.dll
Size 76KB
Sample240404-wqfb5aeh95
SHA256 022f8744f2386cd61272a6e577c4857e83153b8f2de08adcbd1cb9880474c6d2
MD5 1286d226326290e3ebdf702c00f3ba1c
SHA1 b6b1c23dbfd23834f768c2b9edfc18395ccd2c1f
SHA512 9c9c085f381acfeff0cc60caa30910e073f26d72e3a19b6eeb7762071e6186e8ae44dceab5a48d6fdff8da6dc9133934d8695a35b0d73011989c3c8450c9441d
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5xO33:c8y93KQjy7G55riF1cMo038
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/3472-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/3472-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3472-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3472-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1632	3472	WerFault.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3472	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 3472	628	rundll32.exe	84
PID 628 wrote to memory of 3472	628	rundll32.exe	84
PID 628 wrote to memory of 3472	628	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\022f8744f2386cd61272a6e577c4857e83153b8f2de08adcbd1cb9880474c6d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\022f8744f2386cd61272a6e577c4857e83153b8f2de08adcbd1cb9880474c6d2.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 692
    3⤵
    - Program crash
    PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3472 -ip 3472
1⤵
PID:1036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3472-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3472-1-0x0000000010000000-0x0000000010030000-memory.dmp