Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
12-05-2024 02:39
Static task
static1
Behavioral task
behavioral1
Sample
37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe
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Size
1.5MB
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MD5
37d0708b3e5a1e9db1fa3b937a2ed798
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SHA1
cb56b9947d6c50d623c79901f86aad8866c22253
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SHA256
74f9006747faee6ce6fa872dcd29ab9693b079bbc746159cbd549885730ebc39
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SHA512
b7124ab6caa7f6b4d87482c321ae0c0bfdcef2a1f99e5c885494b804a3bf68c398f655ee7dc223d5e330d4ed88f19f171c91803ed65002295c1cc748c501b52b
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SSDEEP
24576:7Bxc5ygLhAUV6e5fenDBtdECi3be04tvPrjptssK4ZDz:7BGDCJe5fen9tabyvPrjptvK4Z
Malware Config
Extracted
netwire
ptmk1.ddns.net:8906
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activex_autorun
true
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activex_key
{2BH726K8-04UQ-82YA-EVO8-RCTPBP542701}
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copy_executable
true
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delete_original
true
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host_id
HostId-%Rand%
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install_path
%AppData%\Install\Skyype.exe
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keylogger_dir
%AppData%\Logs\
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lock_executable
false
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mutex
DkDoPqeJ
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offline_keylogger
true
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password
Ratrat123$
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registry_autorun
true
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startup_name
NetW
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use_mutex
true
Signatures
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NetWire RAT payload 3 IoCs
resource yara_rule behavioral1/memory/3028-4-0x0000000000400000-0x000000000042C000-memory.dmp netwire behavioral1/memory/3028-21-0x0000000000400000-0x000000000042C000-memory.dmp netwire behavioral1/memory/2980-24-0x0000000000400000-0x000000000042C000-memory.dmp netwire -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2BH726K8-04UQ-82YA-EVO8-RCTPBP542701} Skyype.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2BH726K8-04UQ-82YA-EVO8-RCTPBP542701}\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\Install\\Skyype.exe\"" Skyype.exe -
Deletes itself 1 IoCs
pid Process 2980 Skyype.exe -
Executes dropped EXE 1 IoCs
pid Process 2980 Skyype.exe -
Loads dropped DLL 2 IoCs
pid Process 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetW = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Skyype.exe" Skyype.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 2980 Skyype.exe 2980 Skyype.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 2980 Skyype.exe 2980 Skyype.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 2980 Skyype.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 2980 Skyype.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3028 wrote to memory of 2980 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 28 PID 3028 wrote to memory of 2980 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 28 PID 3028 wrote to memory of 2980 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 28 PID 3028 wrote to memory of 2980 3028 37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Users\Admin\AppData\Roaming\Install\Skyype.exe-m "C:\Users\Admin\AppData\Local\Temp\37d0708b3e5a1e9db1fa3b937a2ed798_JaffaCakes118.exe"2⤵
- Modifies Installed Components in the registry
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
PID:2980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.5MB
MD537d0708b3e5a1e9db1fa3b937a2ed798
SHA1cb56b9947d6c50d623c79901f86aad8866c22253
SHA25674f9006747faee6ce6fa872dcd29ab9693b079bbc746159cbd549885730ebc39
SHA512b7124ab6caa7f6b4d87482c321ae0c0bfdcef2a1f99e5c885494b804a3bf68c398f655ee7dc223d5e330d4ed88f19f171c91803ed65002295c1cc748c501b52b