f79d7ceb34aff70033b2d3db4a58dd29655e0b3e6600cbc58e2029afd2d5ae82

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 22:45

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General

Target

bd773d1ddf61ce75e94744fc01185334_JaffaCakes118.dll
Size

236KB
MD5

bd773d1ddf61ce75e94744fc01185334
SHA1

2e43898b6b6abf10d723006d35799faec4e2d7bf
SHA256

f79d7ceb34aff70033b2d3db4a58dd29655e0b3e6600cbc58e2029afd2d5ae82
SHA512

740d64c6e446feaaa23fcbafa060e229d25bb33a65bc6adcb054d4d7015aeb0a704bbf19115919ba56bd9b2d233d5c091a286bf4c71043710c27bff72c562959
SSDEEP

3072:3F24fliN+7XlmZKxbLYH1rhAwHL5K2W5QVgxwkFw:3F24flic7X8ZibLYHFhAkKZYgnw

Score

10^/10

discovery 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\msv = "{8233f35e-0abb-5f00-1bcc-0abb7bd6140e}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	rundll32.exe

Drops file in System32 directory 4 IoCs

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

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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8233f35e-0abb-5f00-1bcc-0abb7bd6140e}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8233f35e-0abb-5f00-1bcc-0abb7bd6140e}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8233f35e-0abb-5f00-1bcc-0abb7bd6140e}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8233f35e-0abb-5f00-1bcc-0abb7bd6140e}\InprocServer32\ = "C:\\Windows\\SysWow64\\hnq.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8233f35e-0abb-5f00-1bcc-0abb7bd6140e}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2364	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2364	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29
PID 2388 wrote to memory of 2364	2388	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd773d1ddf61ce75e94744fc01185334_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd773d1ddf61ce75e94744fc01185334_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2364

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\zfi.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
memory/2364-0-0x00000000001C0000-0x0000000000204000-memory.dmp

Filesize
272KB

Download
memory/2364-1-0x00000000001C1000-0x00000000001C8000-memory.dmp

Filesize
28KB

Download
memory/2364-7-0x00000000001C0000-0x0000000000204000-memory.dmp

Filesize
272KB

Download
memory/2364-11-0x00000000001C0000-0x0000000000204000-memory.dmp

Filesize
272KB

Download