a41b807d0f523ccd392bf175a462509782ea472cacd7d03e9af0a3e1cc21e33c

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 05:57

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General

Target

a41b807d0f523ccd392bf175a462509782ea472cacd7d03e9af0a3e1cc21e33cN.dll
Size

76KB
MD5

189eebba53ed85cdeffc5baa7a619590
SHA1

8d8b8af58fa21a9467a40bd60321f902056a7961
SHA256

a41b807d0f523ccd392bf175a462509782ea472cacd7d03e9af0a3e1cc21e33c
SHA512

082a8c6b902c7151a8d52d0dbfdc3421d25499ea4b05da59597b2cd6299cf13e0ab2887be7646c7dafe6713554228e7a64ce09020f6f9742b70a4d3153ed1437
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZOLpZIPO:c8y93KQjy7G55riF1cMo03oLpUO

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
behavioral1/memory/1672-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1672-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process
936	1672	WerFault.exe

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	1672	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 2328 wrote to memory of 1672	2328	rundll32.exe	31
PID 1672 wrote to memory of 936	1672	rundll32.exe	32
PID 1672 wrote to memory of 936	1672	rundll32.exe	32
PID 1672 wrote to memory of 936	1672	rundll32.exe	32
PID 1672 wrote to memory of 936	1672	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a41b807d0f523ccd392bf175a462509782ea472cacd7d03e9af0a3e1cc21e33cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a41b807d0f523ccd392bf175a462509782ea472cacd7d03e9af0a3e1cc21e33cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 308
    3⤵
    - Program crash
    PID:936

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/1672-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1672-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download