1b1da319184f20a8bce5e04a6a1b16fe2f552c3a3e5405457e208a1b98da10b6

Analysis

max time kernel
94s
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
17-12-2024 22:24

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General

Target

1b1da319184f20a8bce5e04a6a1b16fe2f552c3a3e5405457e208a1b98da10b6.dll
Size

76KB
MD5

bc0cda6c0644cf9d1c29d2af6d1bc991
SHA1

c41c6f7907ead721e0ceed9ae48d210fdd3a5128
SHA256

1b1da319184f20a8bce5e04a6a1b16fe2f552c3a3e5405457e208a1b98da10b6
SHA512

3485cfaf82b3fe30fc8ac0f5b0018d59232412cf24854ff2a16aa1121a3925332230d18f9a1ddc1726f8fc5166dd2560d02f3701721a62588044a05108eb82b7
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZTWFckUGmR:c8y93KQjy7G55riF1cMo03yckUGG

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/3976-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3976-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3884	3976	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	3976	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 3976	860	rundll32.exe	82
PID 860 wrote to memory of 3976	860	rundll32.exe	82
PID 860 wrote to memory of 3976	860	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b1da319184f20a8bce5e04a6a1b16fe2f552c3a3e5405457e208a1b98da10b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b1da319184f20a8bce5e04a6a1b16fe2f552c3a3e5405457e208a1b98da10b6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 704
    3⤵
    - Program crash
    PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3976 -ip 3976
1⤵
PID:2400

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/3976-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3976-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download