1c166f56b3a8c211f47ae91682b80c16e56f03a5ced6f78ba7e33e8df65320aa

Analysis

max time kernel
95s
max time network
97s
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 19:58

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General

Target

1c166f56b3a8c211f47ae91682b80c16e56f03a5ced6f78ba7e33e8df65320aaN.dll
Size

76KB
MD5

a43f5ac098a8837a612019bd32af2600
SHA1

71d502676b0485fad00d0f426b66bd0cb9bc1b02
SHA256

1c166f56b3a8c211f47ae91682b80c16e56f03a5ced6f78ba7e33e8df65320aa
SHA512

4f929d198af744e84c4c43b96836d5861558a9706c6fd582917c94c39b5d3e88753a29604c107f2cc561746ac7b2673f4a3831fbcc5c5c2ffa2235b9ebf8d0bc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYrlsd:c8y93KQjy7G55riF1cMo038Od

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/1432-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1432-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3404	1432	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	1432	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1432	1760	rundll32.exe	82
PID 1760 wrote to memory of 1432	1760	rundll32.exe	82
PID 1760 wrote to memory of 1432	1760	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c166f56b3a8c211f47ae91682b80c16e56f03a5ced6f78ba7e33e8df65320aaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c166f56b3a8c211f47ae91682b80c16e56f03a5ced6f78ba7e33e8df65320aaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 716
    3⤵
    - Program crash
    PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1432 -ip 1432
1⤵
PID:1144

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/1432-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1432-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download