Analysis
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max time kernel
149s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 04:28
Behavioral task
behavioral1
Sample
11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll
Resource
win7-20240903-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll
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Size
26KB
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MD5
11d5a0f847381c1908a983746d85abbe
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SHA1
a501d5dd791a25868aeaf831d9a556a4c1d95f0e
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SHA256
d40cd384070b0972ece63d5d7ca0bf40499ba4c883b74dec522dec49e5d2af86
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SHA512
13b2a5018856f8cc40545e93ab8d31922ff1271f2cdd58cee79b10bbdca3199db79cc15458080ac87eb0dcdf2e905cefba771f7559dba12de0434678e1cb25b2
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SSDEEP
384:otY/shYtBBblC1VRWPyOxtz41XLnQpKsKhPM7aG3oAVNUtLL:ewsitBd81VRWqOxcLn7NS6YNcL
Score
6/10
Malware Config
Signatures
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Modifies WinLogon 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118 rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118\Asynchronous = "1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118\DllName = "11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118\Impersonate = "0" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118\Logon = "Logon" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118\Logoff = "Logoff" rundll32.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\11d5a0f847381c1908a983746d85abbe_JaffaCakes118 rundll32.exe -
resource yara_rule behavioral2/memory/3108-0-0x0000000010000000-0x0000000010015000-memory.dmp upx behavioral2/memory/3108-1-0x0000000010000000-0x0000000010015000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E44527F6-1296-4A84-B67D-A6CEA6ED4B69}\InprocServer32\ThreadingModel = "Both" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E44527F6-1296-4A84-B67D-A6CEA6ED4B69} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E44527F6-1296-4A84-B67D-A6CEA6ED4B69}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E44527F6-1296-4A84-B67D-A6CEA6ED4B69}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe 3108 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1700 wrote to memory of 3108 1700 rundll32.exe 89 PID 1700 wrote to memory of 3108 1700 rundll32.exe 89 PID 1700 wrote to memory of 3108 1700 rundll32.exe 89
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11d5a0f847381c1908a983746d85abbe_JaffaCakes118.dll,#12⤵
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3108
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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 --field-trial-handle=4768,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=948 /prefetch:81⤵PID:2896