a290fb9429e6622efb1e5d9520b68fc41674dabbea3be913e02796b32c4692e2

Analysis

max time kernel
93s
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
01-01-2025 01:31

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General

Target

a290fb9429e6622efb1e5d9520b68fc41674dabbea3be913e02796b32c4692e2.dll
Size

76KB
MD5

0e7deaf3d6d20561097d21d997192673
SHA1

2ee04d848305f0c1671d06d70f47c282906a5ef1
SHA256

a290fb9429e6622efb1e5d9520b68fc41674dabbea3be913e02796b32c4692e2
SHA512

19530a85b2bb20048e52eb5eb4b9c29e579dfd901a79c21d5e4f2a0a9494b081fe28e478bce860d6565d0418765bb91f2ffb5fc1da3809924153ccce2bd8e996
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z91a:c8y93KQjy7G55riF1cMo03bY

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/3464-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3464-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4676	3464	WerFault.exe	85

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	3464	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 3464	3240	rundll32.exe	85
PID 3240 wrote to memory of 3464	3240	rundll32.exe	85
PID 3240 wrote to memory of 3464	3240	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a290fb9429e6622efb1e5d9520b68fc41674dabbea3be913e02796b32c4692e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a290fb9429e6622efb1e5d9520b68fc41674dabbea3be913e02796b32c4692e2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 700
    3⤵
    - Program crash
    PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3464 -ip 3464
1⤵
PID:1376

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/3464-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3464-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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