d7b954c8aa69104014b7c14f618c81d0848c6a01cb788a650ec87081d114d346

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 16:34

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General

Target

52a509b638973518fcf1a4d7bcd38869_JaffaCakes118.dll
Size

81KB
MD5

52a509b638973518fcf1a4d7bcd38869
SHA1

12236e36387bd38727b8c29b6ae6712c06a2ec04
SHA256

d7b954c8aa69104014b7c14f618c81d0848c6a01cb788a650ec87081d114d346
SHA512

2a4395b7dc030af09fd9d79d000e9d962e186a06e8594a7413e8a75273d369ca5cf88a33b012dc149009e4fe4900e1ee6b58be022693287560ec555687178bc4
SSDEEP

768:IQK9XOHKauKlHg5LMWFRlPPg5dtJICnCISMcWNxXQPFpg1:RK9UKTKlHg5LMWPl3kP+CC58X

Score

6^/10

discovery persistence upx

Malware Config

Signatures

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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1040-1-0x0000000010000000-0x0000000010016000-memory.dmp	upx
behavioral1/memory/1040-0-0x0000000010000000-0x0000000010016000-memory.dmp	upx
behavioral1/memory/1040-2-0x0000000010000000-0x0000000010016000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2176	1040	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 1040 wrote to memory of 2176	1040	rundll32.exe	31
PID 1040 wrote to memory of 2176	1040	rundll32.exe	31
PID 1040 wrote to memory of 2176	1040	rundll32.exe	31
PID 1040 wrote to memory of 2176	1040	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\52a509b638973518fcf1a4d7bcd38869_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\52a509b638973518fcf1a4d7bcd38869_JaffaCakes118.dll,#1
  2⤵
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 284
    3⤵
    - Program crash
    PID:2176

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

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Downloads

memory/1040-1-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1040-0-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1040-2-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads