2257bf4768ab4ba4768940699610cfbeb5984d91edfc94fd431b760f8bc474f8

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
25-01-2025 00:44

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General

Target

2257bf4768ab4ba4768940699610cfbeb5984d91edfc94fd431b760f8bc474f8.dll
Size

76KB
MD5

c324dc2492e8546579a2dcd5b749b816
SHA1

a1aa218a3f1cd9ffad94bc5389305ae3304b57d9
SHA256

2257bf4768ab4ba4768940699610cfbeb5984d91edfc94fd431b760f8bc474f8
SHA512

cfdf531572e5cfda3cc61d167ce1fc671fb41cad3583b19c83fa8fbbe93399fd43be6d077d14806067c98615a5d119eb4b65b01aa951dc9f549e9687f0dd1faa
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZrIkgFj:c8y93KQjy7G55riF1cMo03akgFj

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/1344-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1344-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4336	1344	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	1344	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1344	1652	rundll32.exe	83
PID 1652 wrote to memory of 1344	1652	rundll32.exe	83
PID 1652 wrote to memory of 1344	1652	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2257bf4768ab4ba4768940699610cfbeb5984d91edfc94fd431b760f8bc474f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2257bf4768ab4ba4768940699610cfbeb5984d91edfc94fd431b760f8bc474f8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 704
    3⤵
    - Program crash
    PID:4336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1344 -ip 1344
1⤵
PID:4668

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/1344-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1344-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download