55f13c62130edc6c10ce163f3da09b8f394f6967f026389ca978db45fba2740f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 10:04

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General

Target

55f13c62130edc6c10ce163f3da09b8f394f6967f026389ca978db45fba2740fN.dll
Size

76KB
MD5

23b65a510082e7f5d594583d4e3a8ae0
SHA1

13f66b43746b82a1888c5e8945e54143f9a13e5a
SHA256

55f13c62130edc6c10ce163f3da09b8f394f6967f026389ca978db45fba2740f
SHA512

16a2c80a8a62631e9209c1f58c7cb7462c6c522f4f5281e11ec779aa2af2f090a3be43715f7754e498106a94f40cd338cd00e48ef9071a40d6fae2806efcd174
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZTESDa:c8y93KQjy7G55riF1cMo039ESDa

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/5012-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5012-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3304	5012	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	5012	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 5012	4676	rundll32.exe	83
PID 4676 wrote to memory of 5012	4676	rundll32.exe	83
PID 4676 wrote to memory of 5012	4676	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\55f13c62130edc6c10ce163f3da09b8f394f6967f026389ca978db45fba2740fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\55f13c62130edc6c10ce163f3da09b8f394f6967f026389ca978db45fba2740fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 712
    3⤵
    - Program crash
    PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5012 -ip 5012
1⤵
PID:4508

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/5012-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/5012-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download