Analysis
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max time kernel
65s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
20-02-2022 04:53
Static task
static1
Behavioral task
behavioral1
Sample
899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe
Resource
win10v2004-en-20220113
General
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Target
899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe
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Size
170KB
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MD5
240c65966ac7c6f71a2b98e951cb57cb
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SHA1
eba0ad0aa3b10d64882425bc2f11068b51ab5251
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SHA256
899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9
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SHA512
d75fedf7a963213a39ca392dcd026d02fa289148473f1862ec38973f8604b34aa384fd538ce9741f0c32ef222eeedc63b5f138ae31f67edc9dd5f50702803c5f
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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe -
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 2 IoCs
pid Process 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4400 wrote to memory of 2944 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 84 PID 4400 wrote to memory of 2944 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 84 PID 4400 wrote to memory of 2312 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 27 PID 4400 wrote to memory of 2340 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 26 PID 4400 wrote to memory of 2424 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 66 PID 4400 wrote to memory of 3156 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 33 PID 4400 wrote to memory of 3368 4400 899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe 58
Processes
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2340
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2312
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3156
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3368
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2424
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C:\Users\Admin\AppData\Local\Temp\899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe"C:\Users\Admin\AppData\Local\Temp\899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\899d401abf00b5851fcb30e0d0edbdfbfee92d98bfd9acf77577d2f19b9c25d9.exe" /f2⤵PID:2944
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