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Analysis
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max time kernel
115s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2023, 03:49
Behavioral task
behavioral1
Sample
55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe
Resource
win10v2004-20220812-en
General
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Target
55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe
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Size
277KB
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MD5
7e087781c34e14b5af40a634cf991124
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SHA1
1f6915a50c7eb91a44c10d1781bf7ec7e17a27d4
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SHA256
55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40
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SHA512
947a24d0f9ba195dab44aac63b08e9cb475a9c08bb37129be9a51d803329b969dffa7922b88c6c4e731388253701c5fcf75a9819ad9eb0ba92af86cbc07afa42
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SSDEEP
3072:1NXEGZJWhfNFC4S60+XoLczrVmX3pCQosItFjCf5LYbetfx1oigW4A5H01ne4PK6:TXzKdNY49u8rVQV40Ffx1oilh01nete/
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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe -
Executes dropped EXE 2 IoCs
pid Process 4944 ITS SB App Switch.exe 4860 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/4260-132-0x0000000000770000-0x0000000000810000-memory.dmp upx behavioral1/memory/4260-133-0x0000000000770000-0x0000000000810000-memory.dmp upx behavioral1/memory/4260-139-0x0000000000770000-0x0000000000810000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4260 wrote to memory of 4944 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 79 PID 4260 wrote to memory of 4944 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 79 PID 4260 wrote to memory of 4944 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 79 PID 4260 wrote to memory of 4860 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 80 PID 4260 wrote to memory of 4860 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 80 PID 4260 wrote to memory of 4860 4260 55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe"C:\Users\Admin\AppData\Local\Temp\55ed27b4faccf379f48cd131d5e36ef8c96085e5c057c458c6bef1a842a82a40.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4260 -
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
PID:4944
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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
PID:4860
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5