41922b8f209c36338248b402f416502b79751caa58b53102639f7250b448c846

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 21:38

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General

Target

41922b8f209c36338248b402f416502b79751caa58b53102639f7250b448c846.dll
Size

76KB
MD5

1214d3fb46b9db99833aee54d868b383
SHA1

265dc18a4529305586d0244ba5d2626bd0a05546
SHA256

41922b8f209c36338248b402f416502b79751caa58b53102639f7250b448c846
SHA512

56f46ace6a163778c58e79936c19fdfa74f5cb930f0b6fe0bee0f9adcde86848f80d941d08baa4b13bf2d80f204071748078907bcd9ef078785421bc6d1e87ed
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zx9E2nTo5:c8y93KQjy7G55riF1cMo03/T6

Score

5^/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/3536-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3536-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3948	3536	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 3536	3364	rundll32.exe	83
PID 3364 wrote to memory of 3536	3364	rundll32.exe	83
PID 3364 wrote to memory of 3536	3364	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41922b8f209c36338248b402f416502b79751caa58b53102639f7250b448c846.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\41922b8f209c36338248b402f416502b79751caa58b53102639f7250b448c846.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 700
    3⤵
    - Program crash
    PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3536 -ip 3536
1⤵
PID:1368

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/3536-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3536-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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