Analysis
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max time kernel
142s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23-06-2024 23:19
Static task
static1
Behavioral task
behavioral1
Sample
03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll
Resource
win10v2004-20240226-en
General
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Target
03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll
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Size
240KB
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MD5
03f6333174c5f772944a7ae21b63d6ad
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SHA1
989a66c718bf4e258bfc759570952068e510aed5
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SHA256
c6cdac7898d7c52f8836a6188ca9286e2db84f376be1020dddb4dd5264f8d426
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SHA512
25b87217b40b270483d09d8b1ac6a31bbf4d6adef8e9653e6ff3048fdbfd24a4a2f70f0a6f1bff157433d7062e0fe85103cf0626c5887ffc2756fbc2fd64d105
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SSDEEP
3072:YQ9aMPTcXSi3SUzKT7H9b3K/aEd2c2s7rtkM:dcdpeT7BK/Lcc9z
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
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\hnt = "{ddfd8286-5575-aaca-6686-55750a0e585c}" rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1680 rundll32.exe 1680 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\uag.dll rundll32.exe File created C:\Windows\SysWOW64\gms.dll rundll32.exe File created C:\Windows\SysWOW64\cio.dll rundll32.exe File created C:\Windows\SysWOW64\uag.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ddfd8286-5575-aaca-6686-55750a0e585c} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ddfd8286-5575-aaca-6686-55750a0e585c}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ddfd8286-5575-aaca-6686-55750a0e585c}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ddfd8286-5575-aaca-6686-55750a0e585c}\InprocServer32\ = "C:\\Windows\\SysWow64\\cio.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ddfd8286-5575-aaca-6686-55750a0e585c}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1680 rundll32.exe 1680 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1680 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1680 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 452 wrote to memory of 1680 452 rundll32.exe 91 PID 452 wrote to memory of 1680 452 rundll32.exe 91 PID 452 wrote to memory of 1680 452 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\03f6333174c5f772944a7ae21b63d6ad_JaffaCakes118.dll,#12⤵
- 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 AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1680
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4064 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:2724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
625KB
MD5eccf28d7e5ccec24119b88edd160f8f4
SHA198509587a3d37a20b56b50fd57f823a1691a034c
SHA256820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6
SHA512c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670
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Filesize
478KB
MD5e99416267b61f52fa5ab994019efd359
SHA186d31eae707db7fe51d2556394fcf0e8e9f6b0fd
SHA256768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774
SHA5120a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae