8a8ee5b3c66e6bdd55b499c97afd109f65d570854fdd4913281fe2b12f7de548

Analysis

max time kernel
104s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 09:23

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General

Target
d504abcd34c67d40e5bc81bc9eabaa80N.dll
Size 76KB
Sample240816-lcwrva1cpm
SHA256 8a8ee5b3c66e6bdd55b499c97afd109f65d570854fdd4913281fe2b12f7de548
MD5 d504abcd34c67d40e5bc81bc9eabaa80
SHA1 e3263e56671a0dca95c41ec00d1a8b7977273de7
SHA512 a2ffb898ecee1ed3fc4591d4d3a16522110dcbb98d31fecdd3b7ab855fb075a621612fa3ca7354382ec1d7575582e5d68c2a53ea8d7c32c561c4fab977dcb780
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZCo6De:c8y93KQjy7G55riF1cMo038o6De
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/3000-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3000-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1964	3000	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	3000	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 3000	4952	rundll32.exe	84
PID 4952 wrote to memory of 3000	4952	rundll32.exe	84
PID 4952 wrote to memory of 3000	4952	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d504abcd34c67d40e5bc81bc9eabaa80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d504abcd34c67d40e5bc81bc9eabaa80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 712
    3⤵
    - Program crash
    PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3000 -ip 3000
1⤵
PID:4540

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/3000-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3000-2-0x0000000010000000-0x0000000010030000-memory.dmp