bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a

Analysis

max time kernel
149s
max time network
151s
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 02:42

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General

Target

bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a.dll
Size

76KB
MD5

954ff422cd915afe4bb13eb45568b8e6
SHA1

760883c34011c817896bbebea3cd31b9084823c5
SHA256

bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a
SHA512

6ccefbdb3642621f7370511ddb3edadf82ddf41e38705e5ce28966bbf286220768ca7f48021806b0c1621b7ba2963478a9cd9f4d53f788c6fba03cc34894adb9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/X6y7O+d8:c8y93KQjy7G55riF1cMo03lXDe

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/4240-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4240-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3888	4240	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	4240	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 4240	2152	rundll32.exe	83
PID 2152 wrote to memory of 4240	2152	rundll32.exe	83
PID 2152 wrote to memory of 4240	2152	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 704
    3⤵
    - Program crash
    PID:3888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4240 -ip 4240
1⤵
PID:4072

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/4240-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4240-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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