4e42bdfdfa0e336c8440b95e04c017159ebd717e52f84b89fb58fe3372d20249

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2025, 08:49

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General

Target

4e42bdfdfa0e336c8440b95e04c017159ebd717e52f84b89fb58fe3372d20249N.dll
Size

76KB
MD5

4c88d7076feb4b0436430fdc12ed1610
SHA1

3657395bd16c0c6a88170681992450bfeec999c3
SHA256

4e42bdfdfa0e336c8440b95e04c017159ebd717e52f84b89fb58fe3372d20249
SHA512

fe6cc092f4a9b45307f66755077d67afe36f033c9c637a0c73c6afd6c8a1cc089f6887cffc8b20a34e794f09f89c013f38ccc546d7efc8650346c89811101861
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZxPw:c8y93KQjy7G55riF1cMo03s

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/3876-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3876-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	3876	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	3876	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 3876	2684	rundll32.exe	83
PID 2684 wrote to memory of 3876	2684	rundll32.exe	83
PID 2684 wrote to memory of 3876	2684	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e42bdfdfa0e336c8440b95e04c017159ebd717e52f84b89fb58fe3372d20249N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e42bdfdfa0e336c8440b95e04c017159ebd717e52f84b89fb58fe3372d20249N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 708
    3⤵
    - Program crash
    PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3876 -ip 3876
1⤵
PID:1204

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/3876-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3876-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download