Analysis
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max time kernel
112s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
13-02-2023 03:55
Behavioral task
behavioral1
Sample
a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe
Resource
win10v2004-20221111-en
General
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Target
a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe
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Size
277KB
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MD5
ba97f70ff4df04063a3676e8c85b4c7a
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SHA1
adaf4a35f396af16a611b2a351137e743a8d1760
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SHA256
a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4
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SHA512
feb66437ed04589d437772eae11257b7ca28e6cea6cc64f4ebe04bb1b3bece7b752f0253303d72098e12aadc830ff2fa63b77c7ccf69216d22b6cb00c4b97eca
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SSDEEP
6144:qXzKdNY49u8rVk9V37Qkx2/bQcFz01netv:pa4A1jQZFz01c
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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe -
Executes dropped EXE 2 IoCs
pid Process 2672 ITS SB App Switch.exe 1980 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/428-132-0x0000000000710000-0x00000000007B0000-memory.dmp upx behavioral1/memory/428-137-0x0000000000710000-0x00000000007B0000-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 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 428 wrote to memory of 2672 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 82 PID 428 wrote to memory of 2672 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 82 PID 428 wrote to memory of 2672 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 82 PID 428 wrote to memory of 1980 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 83 PID 428 wrote to memory of 1980 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 83 PID 428 wrote to memory of 1980 428 a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe"C:\Users\Admin\AppData\Local\Temp\a04a4d1cc86135c05a13f3b7639c812dabd32732160b08de92ba0fcd8c3410b4.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:428 -
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:2672
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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:1980
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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