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Analysis
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max time kernel
91s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14/02/2023, 23:54
Behavioral task
behavioral1
Sample
fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
Resource
win10v2004-20220812-en
General
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Target
fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
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Size
277KB
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MD5
c09adcb82ef514ebe9f47882defad6f5
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SHA1
1891fc6d07c93d7c9a0203d22cc5a8dc2666e59e
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SHA256
fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3
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SHA512
50dce5f00ba5741b9e9745bfe60ae2598b1a436fb74c81d06f88690c9b8f24c3755b27a5e7d6f20176ea4ae20262dfdb9b4156727cc594d3e17d7a1c0e822813
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SSDEEP
6144:7XzKdNY49u8rV3v7/sHHN4oqXGC01netM:Ea4A4DsHt4j3013
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 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe -
Executes dropped EXE 2 IoCs
pid Process 4676 ITS SB App Switch.exe 4708 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/4528-132-0x0000000000790000-0x0000000000830000-memory.dmp upx behavioral1/memory/4528-138-0x0000000000790000-0x0000000000830000-memory.dmp upx behavioral1/memory/4528-139-0x0000000000790000-0x0000000000830000-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 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4528 wrote to memory of 4676 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 79 PID 4528 wrote to memory of 4676 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 79 PID 4528 wrote to memory of 4676 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 79 PID 4528 wrote to memory of 4708 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 80 PID 4528 wrote to memory of 4708 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 80 PID 4528 wrote to memory of 4708 4528 fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe"C:\Users\Admin\AppData\Local\Temp\fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528 -
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:4676
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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:4708
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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