aadd2b6c2ed9d358e7708cebebc4050fb4fe0031af66a1180b53d843084679d7

Analysis

max time kernel
51s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 14:42

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General

Target

0e746cac6f6dde6558fe5b70e9fb44b6_JaffaCakes118.dll
Size

236KB
MD5

0e746cac6f6dde6558fe5b70e9fb44b6
SHA1

381ddf833d1e4bbf4b4f5aec1493904c62787d7b
SHA256

aadd2b6c2ed9d358e7708cebebc4050fb4fe0031af66a1180b53d843084679d7
SHA512

4b381601815c10c80dcf78636aa3c9b0d5f5728effbd15d48188877c460cee04456371011dd262062ffe30d115ce8aa352f2a7cecb0d993e2d98ea295bf2b1f9
SSDEEP

3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkIt:+Qj9U3jwO3rt5y

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tegby = "{5a2fef96-d2a7-27fc-e3b8-d2a7671ec525}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1452	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ozbwt.dll	rundll32.exe
File created	C:\Windows\SysWOW64\grtol.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\grtol.dll	rundll32.exe
File created	C:\Windows\SysWOW64\ozbwt.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5a2fef96-d2a7-27fc-e3b8-d2a7671ec525}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5a2fef96-d2a7-27fc-e3b8-d2a7671ec525}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5a2fef96-d2a7-27fc-e3b8-d2a7671ec525}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5a2fef96-d2a7-27fc-e3b8-d2a7671ec525}\InprocServer32\ = "C:\\Windows\\SysWow64\\ozbwt.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5a2fef96-d2a7-27fc-e3b8-d2a7671ec525}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1452	rundll32.exe
1452	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1452	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 1452	3116	rundll32.exe	80
PID 3116 wrote to memory of 1452	3116	rundll32.exe	80
PID 3116 wrote to memory of 1452	3116	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e746cac6f6dde6558fe5b70e9fb44b6_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e746cac6f6dde6558fe5b70e9fb44b6_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\grtol.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/1452-0-0x00000000007E0000-0x0000000000824000-memory.dmp

Filesize
272KB

Download
memory/1452-1-0x00000000007E1000-0x00000000007E8000-memory.dmp

Filesize
28KB

Download
memory/1452-8-0x00000000007E0000-0x0000000000824000-memory.dmp

Filesize
272KB

Download
memory/1452-11-0x00000000007E0000-0x0000000000824000-memory.dmp

Filesize
272KB

Download
memory/1452-12-0x00000000007E0000-0x0000000000824000-memory.dmp

Filesize
272KB

Download