4b3de6445299b709669425c550c95945b9622d3cc8f085444588b27a7df50697

Analysis

max time kernel
93s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 22:15

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General

Target

4b3de6445299b709669425c550c95945b9622d3cc8f085444588b27a7df50697.dll
Size

76KB
MD5

2d061184f159236eb694fb21bb6f198c
SHA1

6fc332b36f54823b55fd707b8bedf7bd8f315ffd
SHA256

4b3de6445299b709669425c550c95945b9622d3cc8f085444588b27a7df50697
SHA512

2789d962e08bed15966b9b768b92d3bd596abbc4fcd24aeec4879570b06732e9e833c1fbf16d74617bedb33c52da53d1d64b9a62c8bb4c380ecbe74e9f1ac442
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z6hZyw0khTmi:c8y93KQjy7G55riF1cMo03S

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/2556-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2556-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	2556	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	2556	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2556	1856	rundll32.exe	83
PID 1856 wrote to memory of 2556	1856	rundll32.exe	83
PID 1856 wrote to memory of 2556	1856	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b3de6445299b709669425c550c95945b9622d3cc8f085444588b27a7df50697.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b3de6445299b709669425c550c95945b9622d3cc8f085444588b27a7df50697.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 704
    3⤵
    - Program crash
    PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2556 -ip 2556
1⤵
PID:1520

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/2556-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2556-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download