180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242

Analysis

max time kernel
93s
max time network
100s
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, 08:15

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General

Target

180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242.dll
Size

76KB
MD5

c4e7da51e9158b7a81f5ce10fe20540d
SHA1

f3129913eabab2e68307dba47d32a374890cce4d
SHA256

180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242
SHA512

aa3ed44cf24b0704c5821b0e537b5f77f6ece5dcd181b3f02381868f949d395ac28ce9890a0702ad400ed76537784e8b3cda314c02c330bafa37ecf1f3c3d88f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z9c:c8y93KQjy7G55riF1cMo03Dc

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/1376-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1376-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2928	1376	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	1376	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1376	1156	rundll32.exe	83
PID 1156 wrote to memory of 1376	1156	rundll32.exe	83
PID 1156 wrote to memory of 1376	1156	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 712
    3⤵
    - Program crash
    PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1376 -ip 1376
1⤵
PID:3692

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

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Downloads

memory/1376-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1376-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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