581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 09:26

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General

Target

581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9N.dll
Size

76KB
MD5

8e7fc8e5c1b7e1605aba13182dc8d9d0
SHA1

1e65b7df3f3d80177f9a965a9e15764076ced0e2
SHA256

581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9
SHA512

afe681c3fe9f4738ee003fda04188298bea9048cf24e3654ccb95d68263ac446b992e4e57c82c23efac56d43700d98419d932d79d7f3163c2f3334f789d77ffc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8Q1knGae:c8y93KQjy7G55riF1cMo03e1n4

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/1556-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1556-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3540	1556	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	1556	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 1556	3420	rundll32.exe	82
PID 3420 wrote to memory of 1556	3420	rundll32.exe	82
PID 3420 wrote to memory of 1556	3420	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 708
    3⤵
    - Program crash
    PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1556 -ip 1556
1⤵
PID:752

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/1556-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1556-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download