Analysis
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max time kernel
137s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2023, 06:59
Behavioral task
behavioral1
Sample
8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe
Resource
win10v2004-20230220-en
General
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Target
8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe
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Size
277KB
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MD5
f4bf0354faca252dfc61df88062ad1c9
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SHA1
c39d9d71d46e151ab01546a0734f6553db82cc09
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SHA256
8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83
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SHA512
f5e6cf5b87a1492f58a044e094f730b20a36b39d7720dbfc194ae1de83121b3e3de67b4e2ee9bc896a5db80757fb2cfd8823bd44082a8d55b59b8536d00e0471
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SSDEEP
6144:9XzKdNY49u8rV0RaypDIAygDDui01netS:ea4AB3MC01p
Malware Config
Signatures
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resource yara_rule behavioral1/memory/4596-133-0x0000000000DD0000-0x0000000000E70000-memory.dmp upx behavioral1/memory/4596-147-0x0000000000DD0000-0x0000000000E70000-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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe -
Executes dropped EXE 2 IoCs
pid Process 2124 ITS SB App Switch.exe 3872 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 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4596 wrote to memory of 2124 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 85 PID 4596 wrote to memory of 2124 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 85 PID 4596 wrote to memory of 2124 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 85 PID 4596 wrote to memory of 3872 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 86 PID 4596 wrote to memory of 3872 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 86 PID 4596 wrote to memory of 3872 4596 8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe"C:\Users\Admin\AppData\Local\Temp\8a31be4a2f66f285f6f5f4b26deaab1e1aaa432b8d4f1cd94e78239b157a7c83.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4596 -
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:2124
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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:3872
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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