5f719ba2afb0c589ba25628f4676d2d2fb83692657ac36daffa20e8a2910849e

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 23:24

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General

Target
5f719ba2afb0c589ba25628f4676d2d2fb83692657ac36daffa20e8a2910849e.dll
Size 76KB
Sample240613-3dxtzayerq
SHA256 5f719ba2afb0c589ba25628f4676d2d2fb83692657ac36daffa20e8a2910849e
MD5 518772051305e2453ec525bf7c1b0d8e
SHA1 f5a492bdd53093f50088140c04c8fc8ac8c64a2c
SHA512 e5d289556d3b0bdc9def0a66a724522a8e83dd61c897da9d42fc35fb1c8b39f3d04bf36ed8f3c98311934159e107735e2a90097eab9826d80397a268deff9ffc
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zdk0H7kS:c8y93KQjy7G55riF1cMo03d
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/4952-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4952-2-0x0000000010000000-0x0000000010030000-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/4952-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4952-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1192	4952	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 4952	2172	rundll32.exe	82
PID 2172 wrote to memory of 4952	2172	rundll32.exe	82
PID 2172 wrote to memory of 4952	2172	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f719ba2afb0c589ba25628f4676d2d2fb83692657ac36daffa20e8a2910849e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f719ba2afb0c589ba25628f4676d2d2fb83692657ac36daffa20e8a2910849e.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 696
    3⤵
    - Program crash
    PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4952 -ip 4952
1⤵
PID:4564

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/4952-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4952-2-0x0000000010000000-0x0000000010030000-memory.dmp