5a6831ce263807cbbe154de6b67449573417fc605b1a3d6492bd8adab9540af3

Analysis

max time kernel
92s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 03:48

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General

Target

5a6831ce263807cbbe154de6b67449573417fc605b1a3d6492bd8adab9540af3.dll
Size

76KB
MD5

8cc4222d664d061e4c0a62f40106d1af
SHA1

2cc4247bc08a5aa04a4472e000bcb3328c7e70b9
SHA256

5a6831ce263807cbbe154de6b67449573417fc605b1a3d6492bd8adab9540af3
SHA512

4352a0f8f51d286fe24df47fe949e0c857e5eb5cfb7644e3eec16ca2828d8cb1b5ef5eea85c6467e7e3db41991f16a4d978ea4d5c2afd937c1dfab7afb817faf
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZWS/5FFK:c8y93KQjy7G55riF1cMo03ASBO

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/2136-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2136-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3492	2136	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	2136	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 2136	4860	rundll32.exe	82
PID 4860 wrote to memory of 2136	4860	rundll32.exe	82
PID 4860 wrote to memory of 2136	4860	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a6831ce263807cbbe154de6b67449573417fc605b1a3d6492bd8adab9540af3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a6831ce263807cbbe154de6b67449573417fc605b1a3d6492bd8adab9540af3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 712
    3⤵
    - Program crash
    PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2136 -ip 2136
1⤵
PID:2744

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/2136-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2136-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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