50b5677e1dced0d1df24e2b29f755e187b6475ce0f66a15ec9f904a7e1b7e2e0

Analysis

max time kernel
114s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 15:53

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General

Target
2cbafd911124443040d2e3b2db00e500N.dll
Size 76KB
Sample240817-tb268swgrp
SHA256 50b5677e1dced0d1df24e2b29f755e187b6475ce0f66a15ec9f904a7e1b7e2e0
MD5 2cbafd911124443040d2e3b2db00e500
SHA1 22eea8e1814de439b7534d1fb6e0e450aa29500c
SHA512 15e4a2002c5ea2e2614ccbed138b3703eb97e745923c41292808417b52740fe8b5a74a73e19b3f7e5db0052936cddd811e434e7651b22d1dd3a53005d02ff125
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqYYEOiK0:c8y93KQjy7G55riF1cMo031N
MD5 SHA1 SHA512 SSDEEP

Score

7^/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/4000-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4000-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	4000	WerFault.exe	84

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	4000	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4000	4316	rundll32.exe	84
PID 4316 wrote to memory of 4000	4316	rundll32.exe	84
PID 4316 wrote to memory of 4000	4316	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cbafd911124443040d2e3b2db00e500N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cbafd911124443040d2e3b2db00e500N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 692
    3⤵
    - Program crash
    PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4000 -ip 4000
1⤵
PID:2556

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/4000-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4000-2-0x0000000010000000-0x0000000010030000-memory.dmp