bff68d744b709e2738573310ba7cdc401d565feedfe9d00efb26e1121fe2a501

Analysis

max time kernel
110s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2025, 20:04

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General

Target

bff68d744b709e2738573310ba7cdc401d565feedfe9d00efb26e1121fe2a501.dll
Size

76KB
MD5

2a5458023a464c26ec75e851a4b6f065
SHA1

31149c56baabadd91604eb148e3b751491ba6c8c
SHA256

bff68d744b709e2738573310ba7cdc401d565feedfe9d00efb26e1121fe2a501
SHA512

83bc66dba6499a945907270d2d042eb701b1549b9f7383bf596c9f54efc5c5ce8991fd46fff5aff2781517e226f0d2bb44042ffb65ce6962cea7b4e640be4728
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZNbqbl/JpG:c8y93KQjy7G55riF1cMo03vbAG

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/3700-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3700-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
3700	rundll32.exe
3700	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3700	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 3700	3480	rundll32.exe	82
PID 3480 wrote to memory of 3700	3480	rundll32.exe	82
PID 3480 wrote to memory of 3700	3480	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bff68d744b709e2738573310ba7cdc401d565feedfe9d00efb26e1121fe2a501.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bff68d744b709e2738573310ba7cdc401d565feedfe9d00efb26e1121fe2a501.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3700

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/3700-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3700-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download