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Analysis
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max time kernel
188s -
max time network
202s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
11/02/2023, 22:49
Behavioral task
behavioral1
Sample
f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe
Resource
win10v2004-20221111-en
General
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Target
f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe
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Size
277KB
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MD5
16e04255b4441892eb90dd1f9ef757bc
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SHA1
da11b3aa9ce1f6c6e98c0e01ecfbce143eedac7e
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SHA256
f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b
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SHA512
437ad3847e618f8d54675a4aa035e33b476cca32a47e77d2f92b4f516bd74eac44eb29ce7124c65514ef68d4806013a96b98215dec4c8c79c5eb2df0c9f39782
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SSDEEP
6144:iXzKdNY49u8rVvJxaHWg90qMg0x3j801netI:xa4AeCHzh0G01b
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 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe -
Executes dropped EXE 2 IoCs
pid Process 4500 ITS SB App Switch.exe 1592 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/2144-132-0x0000000000960000-0x0000000000A00000-memory.dmp upx behavioral1/memory/2144-138-0x0000000000960000-0x0000000000A00000-memory.dmp upx behavioral1/memory/2144-139-0x0000000000960000-0x0000000000A00000-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 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2144 wrote to memory of 4500 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 80 PID 2144 wrote to memory of 4500 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 80 PID 2144 wrote to memory of 4500 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 80 PID 2144 wrote to memory of 1592 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 81 PID 2144 wrote to memory of 1592 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 81 PID 2144 wrote to memory of 1592 2144 f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe"C:\Users\Admin\AppData\Local\Temp\f33de159dab32826d8b5da9573267c4cf9a587cdf914cac097e6e24d091ae67b.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2144 -
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:4500
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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:1592
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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