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Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
28/06/2024, 09:13
Static task
static1
Behavioral task
behavioral1
Sample
19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe
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Size
26KB
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MD5
19941092c00fe2083d3615e6b248188b
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SHA1
b026ac662b6e564a802f4b5b4e77271b6e892d56
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SHA256
8586dd4c94fa9f5c113c11c12c289321a3f9bdff99ab09132343155b637140db
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SHA512
be9f5d86ac1c3a887d10333ae0f7506be4b32c8ce4dd0f82286faed553aa6e27accac2c0158b27cbf88b359c3477ea555d52deab26b527a23f0c3d67f329cd63
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SSDEEP
384:5VgAFfec5YzWUIN5JJO7ocuDg+nUHJg0tx0/PUxS20:QMWqYzpITPAKuHJg070Ux
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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation 19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3544 winlogon.exe -
resource yara_rule behavioral2/memory/4880-23-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4880-25-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4880-26-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4880-29-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Logon Applicationedc = "C:\\Users\\Admin\\winlogon.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3544 set thread context of 4880 3544 winlogon.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 300 19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe 3544 winlogon.exe 4880 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 300 wrote to memory of 3544 300 19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe 93 PID 300 wrote to memory of 3544 300 19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe 93 PID 300 wrote to memory of 3544 300 19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe 93 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94 PID 3544 wrote to memory of 4880 3544 winlogon.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:300 -
C:\Users\Admin\winlogon.exe"C:\Users\Admin\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:4880
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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=3924,i,10925946972013221578,8820669985803190952,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:81⤵PID:1592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD519941092c00fe2083d3615e6b248188b
SHA1b026ac662b6e564a802f4b5b4e77271b6e892d56
SHA2568586dd4c94fa9f5c113c11c12c289321a3f9bdff99ab09132343155b637140db
SHA512be9f5d86ac1c3a887d10333ae0f7506be4b32c8ce4dd0f82286faed553aa6e27accac2c0158b27cbf88b359c3477ea555d52deab26b527a23f0c3d67f329cd63