81333f296d3415bca4dfd3c735d535d971170bd435635c522844ac205aa7287e

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 23:56

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General

Target

81333f296d3415bca4dfd3c735d535d971170bd435635c522844ac205aa7287e.dll
Size

76KB
MD5

829ab0d9c8e10e93291cf16db0a29039
SHA1

be0443c5fe0d9bc7e09110614ade13706e45b7aa
SHA256

81333f296d3415bca4dfd3c735d535d971170bd435635c522844ac205aa7287e
SHA512

cc07ca89ef1eaa18884b1beede341027a8199b02ba2a27fa1dfedd81449a93beaf792fa2564fa3d74be261e40b28ff1143583ed99181ec9cd62317cee4783cf0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZnYF:c8y93KQjy7G55riF1cMo03Fu

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3260-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3260-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4156	3260	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	3260	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 3260	4472	rundll32.exe	82
PID 4472 wrote to memory of 3260	4472	rundll32.exe	82
PID 4472 wrote to memory of 3260	4472	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81333f296d3415bca4dfd3c735d535d971170bd435635c522844ac205aa7287e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\81333f296d3415bca4dfd3c735d535d971170bd435635c522844ac205aa7287e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 704
    3⤵
    - Program crash
    PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3260 -ip 3260
1⤵
PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3260-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3260-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download