3f2f44aee867e838c65d1202cf3ba5ef88f4e3bc1fd1a034d328f9d19780c901

Analysis

max time kernel
93s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 21:49

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General

Target

3f2f44aee867e838c65d1202cf3ba5ef88f4e3bc1fd1a034d328f9d19780c901.dll
Size

76KB
MD5

3c31781d00d449d3e9ff530728a6d21a
SHA1

ed16b6fdf5ccd30fd54871aea1bb4a8773654cf1
SHA256

3f2f44aee867e838c65d1202cf3ba5ef88f4e3bc1fd1a034d328f9d19780c901
SHA512

6a6fed9e03491532949a19fa4a768c3d4e6bdfaf3d3c0d328cf7e0b238953c248cf1187fdf5f9a0484ba3138cca68e2b3e7aaa5524e7f6aa38e7741f3d29ec03
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zc9fX4:c8y93KQjy7G55riF1cMo03L

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/3984-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3984-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3668	3984	WerFault.exe	82

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	3984	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 3984	1704	rundll32.exe	82
PID 1704 wrote to memory of 3984	1704	rundll32.exe	82
PID 1704 wrote to memory of 3984	1704	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f2f44aee867e838c65d1202cf3ba5ef88f4e3bc1fd1a034d328f9d19780c901.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f2f44aee867e838c65d1202cf3ba5ef88f4e3bc1fd1a034d328f9d19780c901.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 700
    3⤵
    - Program crash
    PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3984 -ip 3984
1⤵
PID:3672

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/3984-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3984-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download