cddea7fe76be727d3127130e2c8dc2783476e7ec555786f9d334927b7894f373

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 01:24

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General

Target

06ccef709a50d311bc788d1642b87396_JaffaCakes118.dll
Size

236KB
MD5

06ccef709a50d311bc788d1642b87396
SHA1

0b8d5f2051a926293ac7b7288d29d3ee69498fb3
SHA256

cddea7fe76be727d3127130e2c8dc2783476e7ec555786f9d334927b7894f373
SHA512

bbd33cb2baef325f45013058fae85849cf756334fb1cd26570a9b1cd65c93b101ad108ff745f2d5fc705eb7266eb04ce59c1d2aadd33693ada2bfae28a13f50f
SSDEEP

3072:3F24fliN+7XlmZKxbLYH1rhAwHL5K2W5QVgxwkFE:3F24flic7X8ZibLYHFhAkKZYgnE

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\iguugpfkp = "{a4408770-2cc8-711d-3dd9-2cc80ff8394e}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	rundll32.exe

Drops file in System32 directory 4 IoCs

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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4408770-2cc8-711d-3dd9-2cc80ff8394e}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4408770-2cc8-711d-3dd9-2cc80ff8394e}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4408770-2cc8-711d-3dd9-2cc80ff8394e}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4408770-2cc8-711d-3dd9-2cc80ff8394e}\InprocServer32\ = "C:\\Windows\\SysWow64\\dbppbkafk.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{a4408770-2cc8-711d-3dd9-2cc80ff8394e}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1984	rundll32.exe
1984	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1984	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28
PID 1992 wrote to memory of 1984	1992	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\06ccef709a50d311bc788d1642b87396_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\06ccef709a50d311bc788d1642b87396_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:1984

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

\Windows\SysWOW64\vthhtcsxc.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
memory/1984-1-0x00000000002E1000-0x00000000002E8000-memory.dmp

Filesize
28KB

Download
memory/1984-0-0x00000000002E0000-0x0000000000324000-memory.dmp

Filesize
272KB

Download
memory/1984-7-0x00000000002E0000-0x0000000000324000-memory.dmp

Filesize
272KB

Download
memory/1984-10-0x00000000002E0000-0x0000000000324000-memory.dmp

Filesize
272KB

Download