bc0684f3d855808a067d334e47bd83d989ed33ef7199d44dc2acc2a05032456b

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 17:10

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General

Target

bc0684f3d855808a067d334e47bd83d989ed33ef7199d44dc2acc2a05032456bN.dll
Size

76KB
MD5

e26654b99c807d8b3c6eaac4c46230f0
SHA1

67736384f210a88039321e1674658d7c4406b22f
SHA256

bc0684f3d855808a067d334e47bd83d989ed33ef7199d44dc2acc2a05032456b
SHA512

5b30be3ad7608bddd131c3114248088de096135077e04e71ce0d332f78986b09689c3e043b4a1a0e087ebdebf7bc97bb31a99a8a9534df9ee9cd8d9f1f0f6243
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zma7yZB1:c8y93KQjy7G55riF1cMo03/7CB1

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/2944-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2944-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4536	2944	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	2944	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 2944	4672	rundll32.exe	83
PID 4672 wrote to memory of 2944	4672	rundll32.exe	83
PID 4672 wrote to memory of 2944	4672	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc0684f3d855808a067d334e47bd83d989ed33ef7199d44dc2acc2a05032456bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc0684f3d855808a067d334e47bd83d989ed33ef7199d44dc2acc2a05032456bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 700
    3⤵
    - Program crash
    PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2944 -ip 2944
1⤵
PID:4920

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/2944-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2944-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download