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Analysis
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max time kernel
136s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
12/04/2023, 09:58
Behavioral task
behavioral1
Sample
44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe
Resource
win10v2004-20230220-en
General
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Target
44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe
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Size
277KB
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MD5
a46e69e548b658acdf8ed76d3627b610
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SHA1
609f754a87ec0b3dbe6bee2a8095af57aef1d582
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SHA256
44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6
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SHA512
9ef2e224edbaf0bdceabd03d0c17287134849a096720fed9691a08a981dc9f8dd6ca7d94681ddc1865783cba95cefcc48050f531f19d6ff58f8e22b6abf3b7d8
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SSDEEP
3072:jNXEGZJWhfNFC4S60+XoLczrVmXlBAA84k1osItFjCf5LYbetfx1oigW4hADH01l:JXzKdNY49u8rVmKb40Ffx1oit01neteF
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe -
Executes dropped EXE 2 IoCs
pid Process 4804 ITS SB App Switch.exe 2040 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/1560-133-0x0000000000740000-0x00000000007E0000-memory.dmp upx behavioral1/memory/1560-147-0x0000000000740000-0x00000000007E0000-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 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1560 wrote to memory of 4804 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 83 PID 1560 wrote to memory of 4804 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 83 PID 1560 wrote to memory of 4804 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 83 PID 1560 wrote to memory of 2040 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 82 PID 1560 wrote to memory of 2040 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 82 PID 1560 wrote to memory of 2040 1560 44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe"C:\Users\Admin\AppData\Local\Temp\44b9a1861f5057c89e431d82b842bd5b9c6dee9586083b4e1be9f6b8290eeba6.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1560 -
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:2040
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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:4804
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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