22d4ff595c17356268a3ddd02897e5b48b60f790aca8cdd5260e00b4a59a9abd

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
04-01-2025 14:35

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General

Target

22d4ff595c17356268a3ddd02897e5b48b60f790aca8cdd5260e00b4a59a9abdN.dll
Size

76KB
MD5

6f1a4039c9e2fe0150299c669dda1620
SHA1

266fbb4c1897cbf55c9432c5107a3ca8a7cc4d19
SHA256

22d4ff595c17356268a3ddd02897e5b48b60f790aca8cdd5260e00b4a59a9abd
SHA512

ef1fda2e4b057a5f39bf27befe85a8c11a6184200837a9c1005503b6b22b6bf434340f68da21a17cf677839d73b717945d9a921558e93dac4fd028b75cd9e09d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2X6Yv:c8y93KQjy7G55riF1cMo03YX6Yv

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/3928-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3928-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2008	3928	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	3928	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 3928	4484	rundll32.exe	83
PID 4484 wrote to memory of 3928	4484	rundll32.exe	83
PID 4484 wrote to memory of 3928	4484	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22d4ff595c17356268a3ddd02897e5b48b60f790aca8cdd5260e00b4a59a9abdN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\22d4ff595c17356268a3ddd02897e5b48b60f790aca8cdd5260e00b4a59a9abdN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 700
    3⤵
    - Program crash
    PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3928 -ip 3928
1⤵
PID:232

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/3928-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3928-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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