8fdb475f6a060ec97965085dcd86b48cdd7206d410ac5f627966c7bbd9bec81d

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 10:48

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General

Target

62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
Size

13KB
MD5

62ef177fa8d1dcdc462bfa0e940a298c
SHA1

5ad40d1a09533c77d32999d19fa3b1b0a2270129
SHA256

8fdb475f6a060ec97965085dcd86b48cdd7206d410ac5f627966c7bbd9bec81d
SHA512

acdaf5e28302ce30262732dfea283758249460cad9014c2b0f57028b255d6b3d8f0733d924536f123ce5395931d57f10bb87106f18fc64fa72eadbc565f49105
SSDEEP

384:ZIpffY/aT/MG/BsZHCVF3SWdT+NxhWmjhL2NW:ZIpf8a7JBgHCVBSWdukmjqW

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\adsntzt.dll = "{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}"	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2800	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\adsntzt.tmp	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.nls	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\adsntzt.tmp	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ = "C:\\Windows\\SysWow64\\adsntzt.dll"	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ThreadingModel = "Apartment"	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2800	2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2800	2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2800	2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2800	2104	62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\62ef177fa8d1dcdc462bfa0e940a298c_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:2104
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\231A.tmp.bat
  2⤵
  - Deletes itself
  PID:2800

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\231A.tmp.bat

Filesize
207B

MD5
7ab6c1b0ca620cbe0432262442adcbe4

SHA1
ddd52fc3a9718d2fb6e1f7413f56decec56a1685

SHA256
2ca84603989d47144ddd8a83e5c2aaf31b36eb7c2d0c10c34d9d7a45a81e5ac4

SHA512
07c29a838b3f09e4b0692675fe7d5e7e8edd00a614e9b452d28b9402b4018cbddd72b8fad42bec57bca9be52c5238add250ad70822d60d61ba4b019f1f585e8c

Download Submit
C:\Windows\SysWOW64\adsntzt.tmp

Filesize
848KB

MD5
a45fb0564129781750b7bd964f88173d

SHA1
a8fbf1b5129d30b1497569d1429a62bdf105dfb8

SHA256
699ac40cf178b3a6c7e1a19614276e28ee3edd0e20e090e44878107755924c73

SHA512
12307b977972c50e724c841893e89106de82b4568cc3956519bb0e89c3ad886171a3c5eefbb2e9c209cbae60f103d563a4d89b00664ea37d1f2faaf6c8339fb2

Download Submit
memory/2104-12-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download
memory/2104-21-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download