9803dee91f59239d08fa54db4d5dfe4388ef4c43e3b1b4ba48655bea0e5c052b

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 05:54

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General

Target

9803dee91f59239d08fa54db4d5dfe4388ef4c43e3b1b4ba48655bea0e5c052b.dll
Size

76KB
MD5

9bc33bbe3e5d7608961942c98f126530
SHA1

041f514fe39000052ad52961782543a43acf9170
SHA256

9803dee91f59239d08fa54db4d5dfe4388ef4c43e3b1b4ba48655bea0e5c052b
SHA512

0b98a10747577680c5dd4d7e8bea6d94244795b2ddb68b50b79e70a9d884fa4f52a5c154a4cc4245e5d6fb95b0433809791f07b0c6bead421a4a6b0ceb13d839
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zpypbj5W:c8y93KQjy7G55riF1cMo03CbjM

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/2596-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2596-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3312	2596	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	2596	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2596	2260	rundll32.exe	82
PID 2260 wrote to memory of 2596	2260	rundll32.exe	82
PID 2260 wrote to memory of 2596	2260	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9803dee91f59239d08fa54db4d5dfe4388ef4c43e3b1b4ba48655bea0e5c052b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9803dee91f59239d08fa54db4d5dfe4388ef4c43e3b1b4ba48655bea0e5c052b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 704
    3⤵
    - Program crash
    PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2596 -ip 2596
1⤵
PID:636

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/2596-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2596-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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