a72067a0df05807e8155946bb18fdb34a7f97886bc0128b00f31a94616234173

Analysis

max time kernel
94s
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
31-12-2024 00:23

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General

Target

a72067a0df05807e8155946bb18fdb34a7f97886bc0128b00f31a94616234173N.dll
Size

76KB
MD5

ab2fdf345374813057050d211f702900
SHA1

5de518646c7b93d85cf5ee6a0123c133c83b0cd9
SHA256

a72067a0df05807e8155946bb18fdb34a7f97886bc0128b00f31a94616234173
SHA512

3613dcb7cc1c2dec4cd0d9cd5a85a41987a48444479f835fc50475aa2304809932c4d386b1e96f196ea48b5be25317863f1b61c0dd5516dd8b2e5dea44017f70
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqAd1M:c8y93KQjy7G55riF1cMo038AXM

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/852-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/852-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	852	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	852	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 852	2412	rundll32.exe	82
PID 2412 wrote to memory of 852	2412	rundll32.exe	82
PID 2412 wrote to memory of 852	2412	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a72067a0df05807e8155946bb18fdb34a7f97886bc0128b00f31a94616234173N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a72067a0df05807e8155946bb18fdb34a7f97886bc0128b00f31a94616234173N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 704
    3⤵
    - Program crash
    PID:3052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 852 -ip 852
1⤵
PID:1804

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/852-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/852-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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