Analysis
- max time kernel
120s - max time network
120s - platform
windows10_x64 - resource
win10v20210410 - submitted
24/05/2021, 04:16
Static task
static1
Behavioral task
behavioral1
Sample
AWB.pdf.exe
Resource
win7v20210408
0 signatures
0 seconds
General
- Target AWB.pdf.exe
- Size 950KB
- Sample210524-cfttmfal1s
- SHA256 d69273b03a77f48d73a63e9e77348c08d46ff973a69a84fbd8b5fee7de2198a3
- MD5 3e5f962b39c20d7cc79d4f253bf2f7a4
- SHA1 49be781eacf29065224f28c97acd7be9ad323ad1
- SHA512 bd7964e9410987bc3112ce61ee6d23c751cbf806779d93a6cd4124c96c6bceeae84ed7b702a89a1bdb4bde634e4ff33c9d770215f61ae9db1c918f31e31f289c
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
lokibot
C2
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http://173.208.204.37/k.php/tfqt7RifXPW3W
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http://kbfvzoboss.bid/alien/fre.php
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http://alphastand.trade/alien/fre.php
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http://alphastand.win/alien/fre.php
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http://alphastand.top/alien/fre.php
Signatures
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion AWB.pdf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion AWB.pdf.exe - Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum AWB.pdf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 AWB.pdf.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2256 set thread context of 2292 2256 AWB.pdf.exe 82 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3616 powershell.exe 3616 powershell.exe 3616 powershell.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 2292 AWB.pdf.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3616 powershell.exe Token: SeDebugPrivilege 2292 AWB.pdf.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2256 wrote to memory of 3616 2256 AWB.pdf.exe 79 PID 2256 wrote to memory of 3616 2256 AWB.pdf.exe 79 PID 2256 wrote to memory of 3616 2256 AWB.pdf.exe 79 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82 PID 2256 wrote to memory of 2292 2256 AWB.pdf.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe"C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3616
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C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe"C:\Users\Admin\AppData\Local\Temp\AWB.pdf.exe"2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:2292
-