Analysis
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max time kernel
149s -
max time network
5s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 09:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe
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Size
288KB
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MD5
f57f4f06424ff51e11d66be971f522a4
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SHA1
f270bb79bbe0ae469296ddc0aaed7463985adc3e
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SHA256
a12a8708c1d327a398cbc09d3423c5e172c63b137beb6ea039267335e374bbc5
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SHA512
904c74ac0c6a15076bcdbc591cf1ce784b971a0f6374a4dbb3afc9e73dbde2b4c36d468aa5b9f2fd5a9519e8f6ef8397d6ad8e703aaed65dc8529755bb43fa6d
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SSDEEP
1536:RopSMphsBIhQa/DNSXq/fiTvlATmeX4Z4R4H4i4/o9FKs0z2xoetEPnyexeyZiV/:8MKQapucz9/tBH3H3e
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" voihek.exe -
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-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4428 voihek.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voihek = "C:\\Users\\Admin\\voihek.exe" voihek.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe 4428 voihek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4092 f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe 4428 voihek.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4092 wrote to memory of 4428 4092 f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe 84 PID 4092 wrote to memory of 4428 4092 f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe 84 PID 4092 wrote to memory of 4428 4092 f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe 84 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80 PID 4428 wrote to memory of 4092 4428 voihek.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f57f4f06424ff51e11d66be971f522a4_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Users\Admin\voihek.exe"C:\Users\Admin\voihek.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
288KB
MD53920ae9a41434748d3ac052ef70518a8
SHA1e1b7da1657947e3c2fda57ff55cdcb4de52ac477
SHA2567c8ee598db75e329a0b13168c136af6487f14afd1b626dd533ac469d53b33756
SHA51268d5d63f6d002d91e2e29331f0565706d9194dda3f6c5c25e0b1e4839e33fdf8e7c58ccef845448e3112f7767c2a95b2ca851cd08e7e7530c463a54a64e781c5