Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe
Resource
win10v2004-20240319-en
General
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Target
b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe
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Size
473KB
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MD5
b9ae27830417093159a1543a15b24a31
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SHA1
f16eaad9998f3c26993da17334f029ee520a6075
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SHA256
71139bc58c5e0e4fdec43b6f1952ec8262dc01b7617f6656f098c099cff66b86
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SHA512
c6d02ca7a57fd4fccef2888368871494dca2d81195fa2ddf472f3cc1e00259f854d84b49863ab3975bc9c507c4b890a4108918a3f2f638267a5a4f2c3cb2803b
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SSDEEP
12288:TNodBiTI+Tp1A6EZO7KUQRZ66z24VZbdrpgrXN2LWzmidN:ZoPD+Tp13vKU6Z66z24VZbFpgJ2LWzm+
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\SHARE_TEMP\Icon14.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\bugMAKER.bat b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\winhash_up.exez b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File opened for modification C:\Windows\winhash_up.exez b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon5.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon6.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon10.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon12.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\winhash_up.exe b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon2.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon3.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe File created C:\Windows\SHARE_TEMP\Icon7.ico b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 372 cmd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1084 wrote to memory of 372 1084 b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe 95 PID 1084 wrote to memory of 372 1084 b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe 95 PID 1084 wrote to memory of 372 1084 b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:372
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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=4072 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:81⤵PID:1436
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
90B
MD508f0c10a45d849d6ce8954108542fd7b
SHA1a0868f9d5c75dd8ec03799079dc75fab618c8507
SHA256c6b339069488ebf9f900900f62c17afcfeb3a8fee0a45e61bf000dbdee9a6ac8
SHA512a2974a430d945f5d8cac5d46d42ab5502a7823327425efe9673aa2d1056c059d7625e89f4aace9f231579d999d8b2e0d190ee22d72c16914f1072a395c851fa7