524b29eb85a279afeca8b7d0d6fd7cdd24d18e7c1a311a95d9b3f8a652cef8ff

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 08:31

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General

Target

3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
Size

16KB
MD5

3866845a5ec9b47ce2df51025a1bfa0b
SHA1

69cfb0d7f84e81b4fc491808413642beffea350b
SHA256

524b29eb85a279afeca8b7d0d6fd7cdd24d18e7c1a311a95d9b3f8a652cef8ff
SHA512

b17561816f811e41a71592809d13feb86e99a9c5a71199caff1316360244c84866af749535ed3d2f25c9349c6a1d6f36011dad22d0462eacbeb9a3ed40eccc1b
SSDEEP

384:Tz1snRhQX9V+hfSIMJnWOLCM0g1De5073V/u8FXu20nLjJi:F0M9charbGM0g1De5073VG8420nc

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 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\ngykfdtu.dll = "{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}"	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2740	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ngykfdtu.nls	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ = "C:\\Windows\\SysWow64\\ngykfdtu.dll"	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ThreadingModel = "Apartment"	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2740	1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe	31
PID 1244 wrote to memory of 2740	1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe	31
PID 1244 wrote to memory of 2740	1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe	31
PID 1244 wrote to memory of 2740	1244	3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3866845a5ec9b47ce2df51025a1bfa0b_JaffaCakes118.exe"
1⤵
- 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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\2D09.tmp.bat
  2⤵
  - Deletes itself
  PID:2740

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:\Users\Admin\AppData\Local\Temp\2D09.tmp.bat

Filesize
207B

MD5
90c15833d1e13bfe9fabaae00133d15d

SHA1
4559d77cf9fa5f9d36a5bad1ce8c51be39a8a55d

SHA256
b14d69da28f9395382524d6d585cf61c901f5ecc1ca0c9697ed835530a250015

SHA512
a56fb90e77f88793c1415167800b3de0dcd745f625a7686ea03f1a86c04c270f3f7c608eb06274c2959c13b6cae5591051b4ce201393b298b4e5ad448be7dcff

Download Submit
\Windows\SysWOW64\ngykfdtu.dll

Filesize
2.4MB

MD5
777fe4cb7248cca7bbe1597d225ed706

SHA1
cf0f1bf4ed0fda8fbe7b5aa2bfd9df5b5da4a4eb

SHA256
c0197972a8301493c1ebe4f4be0248cc3ec5e2a7b19266f3a896ae6b17e44f33

SHA512
2977a70949f11457387ad6cf18d89459cc051ada701f631d1cec46a1cf3d0d10d697a717023f41569b772cd1e9fa36d65139018f5a28c5c5f38f1190f7237d32

Download Submit
memory/1244-8-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download
memory/1244-17-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download