b05f69d649f2b0a32922c73d4f0bea0bf623627c85eb7eb469ecff5605fd53e8

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
26-12-2024 12:40

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General

Target

b05f69d649f2b0a32922c73d4f0bea0bf623627c85eb7eb469ecff5605fd53e8N.dll
Size

76KB
MD5

201489e9915cf99db3828c700cc07820
SHA1

096e55cd63deb629badac8cd590338a44ab9b295
SHA256

b05f69d649f2b0a32922c73d4f0bea0bf623627c85eb7eb469ecff5605fd53e8
SHA512

b64b1c74a5bad3cc908605b197b03d322975e3f5bfb9074a7f9dc0fc2bc6c14f44e485d99e959fb45a9159c29789ab51e502f2a4eb78cc7a9c5f570c4f18abea
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZW8W+G:c8y93KQjy7G55riF1cMo03g8W+G

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/4580-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4580-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
380	4580	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	4580	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 4580	3672	rundll32.exe	83
PID 3672 wrote to memory of 4580	3672	rundll32.exe	83
PID 3672 wrote to memory of 4580	3672	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b05f69d649f2b0a32922c73d4f0bea0bf623627c85eb7eb469ecff5605fd53e8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b05f69d649f2b0a32922c73d4f0bea0bf623627c85eb7eb469ecff5605fd53e8N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 704
    3⤵
    - Program crash
    PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4580 -ip 4580
1⤵
PID:3460

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/4580-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4580-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download