b596a51331138754eae4ce47adebc6c1628b89033e0cc1f6f8501dd15bf029d8

Analysis

max time kernel
94s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 14:57

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General

Target

b596a51331138754eae4ce47adebc6c1628b89033e0cc1f6f8501dd15bf029d8N.dll
Size

76KB
MD5

904764c11c84b6a5f173143ff193d030
SHA1

0b893915e2b475809ba7dc8640413c52abe1721c
SHA256

b596a51331138754eae4ce47adebc6c1628b89033e0cc1f6f8501dd15bf029d8
SHA512

f81e44e20e9611863d0f3aa63ecd188609db0e6da987d624c91fd596ce8cf9f23b64837108e9a104af24c675a1ce05540cf56e04f2709996c7fdb7c157a0b431
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8K8:c8y93KQjy7G55riF1cMo03qK8

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/1904-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1904-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
448	1904	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	1904	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 1904	5012	rundll32.exe	82
PID 5012 wrote to memory of 1904	5012	rundll32.exe	82
PID 5012 wrote to memory of 1904	5012	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b596a51331138754eae4ce47adebc6c1628b89033e0cc1f6f8501dd15bf029d8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b596a51331138754eae4ce47adebc6c1628b89033e0cc1f6f8501dd15bf029d8N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 712
    3⤵
    - Program crash
    PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1904 -ip 1904
1⤵
PID:3156

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/1904-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1904-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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