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Analysis
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max time kernel
104s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
17/05/2023, 00:08
Behavioral task
behavioral1
Sample
1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
Resource
win10v2004-20230220-en
General
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Target
1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
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Size
277KB
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MD5
78a167da2390ad25f61c8f3f53bb0815
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SHA1
b4b3d2ed9cb11c5751d4e11953a783a2093b0ec4
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SHA256
1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a
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SHA512
9cd06e2da644acd8adb5749938354452501ca891586ed4b86564f0022f5a48e2217f2caf6fe5ad4a22c1a668416cebfa1000a3f856aff7fd3ee2f4dbdb3c4879
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SSDEEP
6144:gXzKdNY49u8rVhYSEhI1pRDl8yusB01netl:fa4A4B80p2sB01u
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2120-133-0x0000000000C70000-0x0000000000D10000-memory.dmp upx behavioral1/memory/2120-147-0x0000000000C70000-0x0000000000D10000-memory.dmp upx -
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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe -
Executes dropped EXE 2 IoCs
pid Process 4472 ITS SB App Switch.exe 988 ITS SB App Switch.exe -
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 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2120 wrote to memory of 4472 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 85 PID 2120 wrote to memory of 4472 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 85 PID 2120 wrote to memory of 4472 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 85 PID 2120 wrote to memory of 988 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 86 PID 2120 wrote to memory of 988 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 86 PID 2120 wrote to memory of 988 2120 1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe"C:\Users\Admin\AppData\Local\Temp\1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2120 -
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:4472
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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:988
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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