Analysis
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max time kernel
140s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 18:22
Behavioral task
behavioral1
Sample
c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe
Resource
win10v2004-20240419-en
General
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Target
c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe
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Size
266KB
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MD5
4dacb970e6d7b72e8492fa4855d276cc
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SHA1
8567cecc55e01ca135e9edd5beeebf19e3c8e742
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SHA256
c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918
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SHA512
cf218d5932bd355e852b0fb869cf4b6d04f9f9d975ffe51fa0cf734efe986345f1298d7f74acdcd0bfa3719c34104c7eea5ddb28b0f5c995a0a8018931131f8b
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SSDEEP
6144:5XzKdNY49u8rVKYpkK/TRPkTMeya01net:ia4An8n/tPCNya01
Malware Config
Extracted
gozi
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe -
Executes dropped EXE 2 IoCs
Processes:
ITS SB App Switch.exeITS SB App Switch.exepid process 1476 ITS SB App Switch.exe 4812 ITS SB App Switch.exe -
Processes:
resource yara_rule behavioral1/memory/1568-0-0x0000000000590000-0x0000000000630000-memory.dmp upx behavioral1/memory/1568-14-0x0000000000590000-0x0000000000630000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exepid process 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exedescription pid process target process PID 1568 wrote to memory of 1476 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe ITS SB App Switch.exe PID 1568 wrote to memory of 1476 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe ITS SB App Switch.exe PID 1568 wrote to memory of 1476 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe ITS SB App Switch.exe PID 1568 wrote to memory of 4812 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe ITS SB App Switch.exe PID 1568 wrote to memory of 4812 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe ITS SB App Switch.exe PID 1568 wrote to memory of 4812 1568 c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe ITS SB App Switch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe"C:\Users\Admin\AppData\Local\Temp\c31c4dd4f9aa4dffcbbd1c973d14aa37f4da32b42db3f05abc2baa4633c85918.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exeFilesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
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memory/1568-0-0x0000000000590000-0x0000000000630000-memory.dmpFilesize
640KB
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memory/1568-14-0x0000000000590000-0x0000000000630000-memory.dmpFilesize
640KB