Analysis
- max time kernel
135s - max time network
131s - platform
windows10_x64 - resource
win10v20201028 - submitted
23/11/2020, 16:24
Static task
static1
Behavioral task
behavioral1
Sample
Response_to_Motion_to_Vacate.doc
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Response_to_Motion_to_Vacate.doc
Resource
win10v20201028
0 signatures
0 seconds
General
- Target Response_to_Motion_to_Vacate.doc
- Size 621KB
- Sample201123-rt6vg1tc8e
- SHA256 f1be37a12486b79888a0e17aaa2c8430c2a11eb224483c60d21a36a46bb4ccfb
- MD5 e4da712966aafc609ffa18be7d2b7cc6
- SHA1 26975ec1eb975af90ffeb149f1eeaa9c5911a43f
- SHA512 f019954947e20706cff0455e45d7eda13c474a1f4cbe5221e2e5e1f72a7802e4307afaa8f794cfb2736683dfd52af95da7f38619acad164f9cb2b6630de2ab9d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- 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\WINWORD.EXE is not expected to spawn this process 2924 3160 rundll32.exe 67 - Blacklisted process makes network request 3 IoCs
flow pid Process 28 2056 rundll32.exe 30 2056 rundll32.exe 32 2056 rundll32.exe - Loads dropped DLL 1 IoCs
pid Process 2056 rundll32.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 27 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2056 set thread context of 1608 2056 rundll32.exe 82 - Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{638AAFE7-F424-4592-AB79-CEA0DAF207A9}\ya.wav:Zone.Identifier WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3160 WINWORD.EXE 3160 WINWORD.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2056 rundll32.exe 2056 rundll32.exe 1608 svchost.exe 1608 svchost.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE 3160 WINWORD.EXE - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3160 wrote to memory of 2412 3160 WINWORD.EXE 75 PID 3160 wrote to memory of 2412 3160 WINWORD.EXE 75 PID 3160 wrote to memory of 2924 3160 WINWORD.EXE 76 PID 3160 wrote to memory of 2924 3160 WINWORD.EXE 76 PID 2924 wrote to memory of 2056 2924 rundll32.exe 77 PID 2924 wrote to memory of 2056 2924 rundll32.exe 77 PID 2924 wrote to memory of 2056 2924 rundll32.exe 77 PID 2056 wrote to memory of 1608 2056 rundll32.exe 82 PID 2056 wrote to memory of 1608 2056 rundll32.exe 82 PID 2056 wrote to memory of 1608 2056 rundll32.exe 82 PID 2056 wrote to memory of 1608 2056 rundll32.exe 82 PID 2056 wrote to memory of 1608 2056 rundll32.exe 82
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Response_to_Motion_to_Vacate.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2412
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,Start2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,Start3⤵
- Blacklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe4⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1608
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