Analysis
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max time kernel
145s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26-03-2024 20:46
Behavioral task
behavioral1
Sample
c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe
Resource
win11-20240221-en
General
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Target
c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe
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Size
266KB
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MD5
3ab7d2c274ee39049e7f5f4019974386
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SHA1
f716ea9275555dadb882c3428b224324694cee91
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SHA256
c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35
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SHA512
46437adc0f719b9149c19dbd965f65bde405bdd3e2ebeb0936149918b225c62ced8ed47a5037a4bee21c26f1b225aee0743b8edf4cf315f64c1d8be2b3fed0f7
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SSDEEP
3072:bNXEGZJWhfNFC4S60+XoLczrVmXEhUwKe529fZNL+C5LYZNO5McAx9LaTIH01net:hXzKdNY49u8rV5uwlQ1Mi5McwR01net
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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe -
Executes dropped EXE 2 IoCs
pid Process 4548 ITS SB App Switch.exe 860 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/2372-0-0x0000000000460000-0x0000000000500000-memory.dmp upx behavioral1/memory/2372-14-0x0000000000460000-0x0000000000500000-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 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2372 wrote to memory of 4548 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 88 PID 2372 wrote to memory of 4548 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 88 PID 2372 wrote to memory of 4548 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 88 PID 2372 wrote to memory of 860 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 89 PID 2372 wrote to memory of 860 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 89 PID 2372 wrote to memory of 860 2372 c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe"C:\Users\Admin\AppData\Local\Temp\c91c75d3cdc94d5a68c1c5c2676d8609460c06ef4d90139ebac83b0f69509e35.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2372 -
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:4548
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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:860
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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