e7cdce56451b2ac4a1ed7c00611a4eee3b3574a8fa37f99557c1af50765af00f

Analysis

max time kernel
117s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 20:12

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

ce3a6d5929ab62109d91d6ad0d8799a0N.dll
Size

81KB
MD5

ce3a6d5929ab62109d91d6ad0d8799a0
SHA1

2fc6a47c6c2d51b96ccaf2dc998a1f749a093577
SHA256

e7cdce56451b2ac4a1ed7c00611a4eee3b3574a8fa37f99557c1af50765af00f
SHA512

66b9d06fc22c713f596f019fcea2866b4ea4ee1e2e240f0ceaf59cf10fe1ad8814dff5268323648a548078a6600aa3f2725f0e88d22d0df85932f14e386b78ce
SSDEEP

1536:QFB54A6pC2gp80f5zFi4NJO255Bvs5X1qS00:QX54A6pCvdFiUJjHBU5X1qF0

Score

7^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3984-0-0x0000000010000000-0x0000000010016000-memory.dmp	upx
behavioral2/memory/3984-1-0x0000000010000000-0x0000000010016000-memory.dmp	upx

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3520	3984	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 3984	712	rundll32.exe	83
PID 712 wrote to memory of 3984	712	rundll32.exe	83
PID 712 wrote to memory of 3984	712	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce3a6d5929ab62109d91d6ad0d8799a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce3a6d5929ab62109d91d6ad0d8799a0N.dll,#1
  2⤵
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  PID:3984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 752
    3⤵
    - Program crash
    PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
1⤵
PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3984-0-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/3984-1-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads