f5e41d5b2c130996a5f746f193afa5560d60d0e829424ae05593ea3e865e8712

Analysis

max time kernel
91s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/09/2024, 02:20

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General

Target
72d087e8a8acc34cc542f15e76b31dd0N.dll
Size 76KB
Sample240910-csk6lstfme
SHA256 f5e41d5b2c130996a5f746f193afa5560d60d0e829424ae05593ea3e865e8712
MD5 72d087e8a8acc34cc542f15e76b31dd0
SHA1 1910a2d7a0bce87b81f45504f66b023f7e740af3
SHA512 058d3f01a0a7db8226fa6481828567ac7aadda904f3adf965a0e4722b3871166c9d08e1bc9d9fa908d3c6e8144b4b135bb64d45358f6cc6698cf66908b9c52cb
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZjyTFd:c8y93KQjy7G55riF1cMo03Gv
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/2680-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2680-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4860	2680	WerFault.exe	86

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	2680	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 2680	4432	rundll32.exe	86
PID 4432 wrote to memory of 2680	4432	rundll32.exe	86
PID 4432 wrote to memory of 2680	4432	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72d087e8a8acc34cc542f15e76b31dd0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72d087e8a8acc34cc542f15e76b31dd0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 704
    3⤵
    - Program crash
    PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2680 -ip 2680
1⤵
PID:3400

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/2680-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2680-2-0x0000000010000000-0x0000000010030000-memory.dmp