a8409fa3797b35325eda05f1334d0c00752646cbb677f8f946f2e8ac85aeae09

Analysis

max time kernel
136s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 21:50

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General

Target

36b80817a26373fe36e0a7b2bb0f989f_JaffaCakes118.exe
Size

778KB
MD5

36b80817a26373fe36e0a7b2bb0f989f
SHA1

2b8335fbcf17f43ea3988b406d6212f6f1fed28e
SHA256

a8409fa3797b35325eda05f1334d0c00752646cbb677f8f946f2e8ac85aeae09
SHA512

781b9b2215326faa2503e6c541920712ab07966516bca1ce6feb6ae8c33fbf4c8b75145cd1f4714798d98811cbf2d036739d29b759cf10da7b454f233462d0a0
SSDEEP

12288:DL4tl+lKe+htViBrTACWYEmoetFKMq23c+WWxWRvyqGllrKOziEtuVtuGw:DL4tl+lShtQrTF0e7tWCrMUAcGw

Score

7^/10

evasion persistence trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5104	setup.exe

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\294a3e8d\\setup.exe"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\294a3e8d\\setup.exe"	setup.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	setup.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\294a3e8d"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\294a3e8d\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\294a3e8d\\setup.exe"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\294a3e8d\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}	setup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5104	setup.exe
5104	setup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 5104	464	36b80817a26373fe36e0a7b2bb0f989f_JaffaCakes118.exe	84
PID 464 wrote to memory of 5104	464	36b80817a26373fe36e0a7b2bb0f989f_JaffaCakes118.exe	84
PID 464 wrote to memory of 5104	464	36b80817a26373fe36e0a7b2bb0f989f_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\36b80817a26373fe36e0a7b2bb0f989f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\36b80817a26373fe36e0a7b2bb0f989f_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\AppData\Local\Temp\294a3e8d\setup.exe
  "C:\Users\Admin\AppData\Local\Temp/294a3e8d/setup.exe" ProfileFileName=step0.ini
  2⤵
  - Executes dropped EXE
  - Registers COM server for autorun
  - Checks whether UAC is enabled
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:5104

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

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\294a3e8d\installer\boot.dat

Filesize
1KB

MD5
82ff009dd3236db90393cead19bd2b16

SHA1
3b9eab7281a500960d6598316db7b8299970d8ba

SHA256
0f1d6e066ebc9ed29cc2f194fad5091431a57eb85e13fdd19d1c8881c9402e71

SHA512
47bc6609654812719030e470f949b2af139346937cb689d078de731d57278f2743da5a1cf2dd71bbadb47251be7e5b784c429ba2769559e2d4dcddc978fbe8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\294a3e8d\installer\step0.ini

Filesize
25KB

MD5
b9b8deee5ba677093220d4cee3029011

SHA1
736e17268e8d1c14ab01f7eb911eedd900ea14dd

SHA256
26aca0ade7974350523901d77e3de742e767a8b1121e14455e651d202d0d78c1

SHA512
9a420e56809d8b139ea0dfd619975cb9807341098d4699b5c098837b88f8a0bee9048736dc94370bb8dbba0c77501050024a3abe40dd8dd08593a99985f7b26b

Download Submit
C:\Users\Admin\AppData\Local\Temp\294a3e8d\setup.exe

Filesize
1.4MB

MD5
c3bc99a2f410a5bede595c6a35aabc44

SHA1
cf513259f468b9b15d1749dbe60d215c0b76098c

SHA256
747193c4bdfed0a0d9dc2cd79e9682787169467c90e89d165026ccc220142cd6

SHA512
ddc3eee00d14947fc7cab3ff870328e9046c62357ef1a0ba809ec846a404e3797a1bead5c85ba393ef2536589ea69293da3eefa57e1e99f33b60912c1f1908b3

Download Submit
memory/5104-16-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/5104-19-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads