21869330e81a42cfd070531f0314a65878ac2c6a8e1853299ceb8d0d9f0a7db9

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 06:40

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General

Target

a43f99a521759d09278f40213cb1f6bc_JaffaCakes118.exe
Size

807KB
MD5

a43f99a521759d09278f40213cb1f6bc
SHA1

174b28e25bb2d2b5595ba698c0f98326a703e697
SHA256

21869330e81a42cfd070531f0314a65878ac2c6a8e1853299ceb8d0d9f0a7db9
SHA512

106998d99a395d104560da82eed0993a8c9f90dcbf9988e8eb0a1e71bb51446e1dd8d17d33ee4256f5f7348e9f965a05df64087b80b0e7e7de240a071a5320c9
SSDEEP

24576:0FU3XZISMSND63ZpF5esIFCSEgUMsXfa24UJT0TTsMai9us87:HMSNOZD5dIAvgxsy2HJ4RR9ux7

Score

7^/10

evasion persistence trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2840	setup.exe

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57f10537\\setup.exe"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57f10537\\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\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_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	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57f10537\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS	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\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class"	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}"	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\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57f10537"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject"	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}"	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_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\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version	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\\57f10537\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}	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\WOW6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57f10537\\setup.exe"	setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR	setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0"	setup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2840	setup.exe
2840	setup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2840	2240	a43f99a521759d09278f40213cb1f6bc_JaffaCakes118.exe	82
PID 2240 wrote to memory of 2840	2240	a43f99a521759d09278f40213cb1f6bc_JaffaCakes118.exe	82
PID 2240 wrote to memory of 2840	2240	a43f99a521759d09278f40213cb1f6bc_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\a43f99a521759d09278f40213cb1f6bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a43f99a521759d09278f40213cb1f6bc_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\57f10537\setup.exe
  "C:\Users\Admin\AppData\Local\Temp/57f10537/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:2840

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\57f10537\installer\boot.dat

Filesize
1KB

MD5
82ff009dd3236db90393cead19bd2b16

SHA1
3b9eab7281a500960d6598316db7b8299970d8ba

SHA256
0f1d6e066ebc9ed29cc2f194fad5091431a57eb85e13fdd19d1c8881c9402e71

SHA512
47bc6609654812719030e470f949b2af139346937cb689d078de731d57278f2743da5a1cf2dd71bbadb47251be7e5b784c429ba2769559e2d4dcddc978fbe8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\57f10537\installer\step0.ini

Filesize
21KB

MD5
516eefdca430445591fb6943c7ad189b

SHA1
e82c901aa12999fd8248a56d179e70437ca3bde5

SHA256
59c3e78000df4ae5a0a3ea598fcf3a68d2ef197a2c96038b93094fbf69b4c88f

SHA512
335651c90250b3df3d69578b3d4f07fecd45f346af8349fd7b6266e8a219c3929e6dfbb4715c0d51204f483ba87c40e6699db24db7ffe6c9f277abe501665bae

Download Submit
C:\Users\Admin\AppData\Local\Temp\57f10537\setup.exe

Filesize
1.4MB

MD5
c3bc99a2f410a5bede595c6a35aabc44

SHA1
cf513259f468b9b15d1749dbe60d215c0b76098c

SHA256
747193c4bdfed0a0d9dc2cd79e9682787169467c90e89d165026ccc220142cd6

SHA512
ddc3eee00d14947fc7cab3ff870328e9046c62357ef1a0ba809ec846a404e3797a1bead5c85ba393ef2536589ea69293da3eefa57e1e99f33b60912c1f1908b3

Download Submit
memory/2840-16-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/2840-19-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads