Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
03-06-2024 13:07
Behavioral task
behavioral1
Sample
b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe
Resource
win11-20240508-en
General
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Target
b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe
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Size
266KB
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MD5
5bdaf068932904923c9a3f6ae8310540
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SHA1
bd27c2d0bf0a6989d834da21d47883301af85a67
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SHA256
b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73
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SHA512
37b70d9ab02b713e67e5058707b263b0a853742bf11202b1e94a2113aa5124f03114d60ce1c084576d015abc15126dfb779cfa9fda13442eaf2b911a670eb5f8
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SSDEEP
6144:WXzKdNY49u8rVJ7tDnsHHN4oqXGv01net:ta4A2zsHt4jo01
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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe -
Executes dropped EXE 2 IoCs
pid Process 3176 ITS SB App Switch.exe 3780 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/1632-0-0x0000000000D50000-0x0000000000DF0000-memory.dmp upx behavioral1/memory/1632-14-0x0000000000D50000-0x0000000000DF0000-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
pid Process 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1632 wrote to memory of 3176 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 84 PID 1632 wrote to memory of 3176 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 84 PID 1632 wrote to memory of 3176 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 84 PID 1632 wrote to memory of 3780 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 85 PID 1632 wrote to memory of 3780 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 85 PID 1632 wrote to memory of 3780 1632 b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe"C:\Users\Admin\AppData\Local\Temp\b3c9c12e2251b171909647fd6a62204b45bdb86eadf55c9a7008ab232401ec73.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1632 -
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:3176
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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:3780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5