3f4ed9739964f8c84a11bf1b9407a6317d8962e4abc2a85569f91a4469648979

Analysis

max time kernel
134s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 20:53

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General

Target

3f4ed9739964f8c84a11bf1b9407a6317d8962e4abc2a85569f91a4469648979.dll
Size

76KB
MD5

ec254ca84b3cc129522dbd1ac0ee9837
SHA1

66c2605e56c7ef128d003f82f6089f9e7e734bb1
SHA256

3f4ed9739964f8c84a11bf1b9407a6317d8962e4abc2a85569f91a4469648979
SHA512

f63e6e23dfc9a6eecce27bb62ebfe745fd6b8763209c78d19f3dc4c784f552b12d652b1401da29929b0dbaf48db3b51c771b24439fdb30360b5321c47753d183
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zf8ra:c8y93KQjy7G55riF1cMo030a

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/4416-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4416-2-0x0000000010000000-0x0000000010030000-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/4416-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4416-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2516	4416	WerFault.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4416	464	rundll32.exe	83
PID 464 wrote to memory of 4416	464	rundll32.exe	83
PID 464 wrote to memory of 4416	464	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f4ed9739964f8c84a11bf1b9407a6317d8962e4abc2a85569f91a4469648979.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f4ed9739964f8c84a11bf1b9407a6317d8962e4abc2a85569f91a4469648979.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 696
    3⤵
    - Program crash
    PID:2516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4416 -ip 4416
1⤵
PID:5004

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/4416-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4416-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download