f585401a48cae0828292211242af6655eae2a2b6558dad9f5323af9b5abe8e07

Analysis

max time kernel
114s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 17:54

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General

Target

f585401a48cae0828292211242af6655eae2a2b6558dad9f5323af9b5abe8e07.dll
Size

76KB
MD5

eb4e44ea1e05d078297043ba33dd773c
SHA1

9f47d8e100a4277cfd3187916487a0f66072066a
SHA256

f585401a48cae0828292211242af6655eae2a2b6558dad9f5323af9b5abe8e07
SHA512

b8c6e3844526cd29b9a7664b4e1f4e4005eb998404e63c91f3c1d462502734125e31f8f23b9a871ddc6d711e30a5a036b38088e728efb178fd947e80c61c88f0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzrXgKdjkhR:c8y93KQjy7G55riF1cMo03NgKNkhR

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/452-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/452-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1656	452	WerFault.exe	84

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	452	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 452	2816	rundll32.exe	84
PID 2816 wrote to memory of 452	2816	rundll32.exe	84
PID 2816 wrote to memory of 452	2816	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f585401a48cae0828292211242af6655eae2a2b6558dad9f5323af9b5abe8e07.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f585401a48cae0828292211242af6655eae2a2b6558dad9f5323af9b5abe8e07.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 696
    3⤵
    - Program crash
    PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 452 -ip 452
1⤵
PID:4792

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/452-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/452-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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