plugx | 3bca1997648eb70fd53abcfd9f5b1880b58daea9aa4c8b434790ebb81ace182b

General

Target

3bca1997648eb70fd53abcfd9f5b1880b58daea9aa4c8b434790ebb81ace182b.xlsm
Size

1.6MB
MD5

5fab2a427175d69f010acfd2caff68b0
SHA1

69657f55e9fdc505a3681c4e5df680aecb89a780
SHA256

3bca1997648eb70fd53abcfd9f5b1880b58daea9aa4c8b434790ebb81ace182b
SHA512

1cf9b4ee4fb60906198e18a182bce4622bd6c5bef8ef32bedb38442c75c7966cc5ba705730dc3f3cc07dfb4cf60f9b7e70daa3c6975cca8cd405f4ac84e666ad

Score

10^/10

plugx trojan

Malware Config

Signatures

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx

PlugX Rat Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1528-145-0x000002B301200000-0x000002B301F90000-memory.dmp	PlugX

Process spawned unexpected child process 1 IoCs

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

Processes:

powershell.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	3136	1528	powershell.exe	EXCEL.EXE

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

Processes:

DW20.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	2728	1528	DW20.EXE	EXCEL.EXE

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.exe

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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.exe

description	ioc	process
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	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Modifies registry class 2 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	EXCEL.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{0D839A2D-119C-4BEA-9D09-B053CABD0084}\SPD.exe:Zone.Identifier	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1528 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

EXCEL.EXEpowershell.exe

pid process

1528 EXCEL.EXE
3136 powershell.exe
3136 powershell.exe
1528 EXCEL.EXE
1528 EXCEL.EXE
1528 EXCEL.EXE
1528 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

EXCEL.EXEpowershell.exe

description pid process

Token: SeDebugPrivilege 1528 EXCEL.EXE
Token: SeDebugPrivilege 3136 powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1528 EXCEL.EXE
1528 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1528	EXCEL.EXE
Token: SeDebugPrivilege	3136	powershell.exe

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

EXCEL.EXE

pid	process
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 1528 wrote to memory of 4824	1528	EXCEL.EXE	splwow64.exe
PID 1528 wrote to memory of 4824	1528	EXCEL.EXE	splwow64.exe
PID 1528 wrote to memory of 3136	1528	EXCEL.EXE	powershell.exe
PID 1528 wrote to memory of 3136	1528	EXCEL.EXE	powershell.exe
PID 1528 wrote to memory of 2728	1528	EXCEL.EXE	DW20.EXE
PID 1528 wrote to memory of 2728	1528	EXCEL.EXE	DW20.EXE
PID 2728 wrote to memory of 3412	2728	DW20.EXE	dwwin.exe
PID 2728 wrote to memory of 3412	2728	DW20.EXE	dwwin.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3bca1997648eb70fd53abcfd9f5b1880b58daea9aa4c8b434790ebb81ace182b.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4824

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -command "& ($env:TEMP + \"\SPD.exe\") \"[email protected]\" \"Nhh2H5urwHv0\" \"https://finansco.sharepoint.com/Delte dokumenter/Finansco Gruppen Fellesmappe/Modellporteføljer/\" \"Produktark MPF Kopi.xlsx\""
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3136

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 7152
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 7152
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:1504

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1528-148-0x000002B2FEF70000-0x000002B2FEF92000-memory.dmp

Filesize
136KB

Download
memory/1528-133-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/1528-146-0x000002AAF6C90000-0x000002AAF6CA0000-memory.dmp

Filesize
64KB

Download
memory/1528-147-0x000002AAF6CA0000-0x000002AAF6CAA000-memory.dmp

Filesize
40KB

Download
memory/1528-134-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/1528-158-0x000002AA9C10B000-0x000002AA9C10F000-memory.dmp

Filesize
16KB

Download
memory/1528-136-0x000002B2FFAF0000-0x000002B2FFAF4000-memory.dmp

Filesize
16KB

Download
memory/1528-137-0x000002AA9C110000-0x000002AA9C2B2000-memory.dmp

Filesize
1.6MB

Download
memory/1528-138-0x00007FFE76070000-0x00007FFE76B31000-memory.dmp

Filesize
10.8MB

Download
memory/1528-139-0x000002AA9C100000-0x000002AA9C102000-memory.dmp

Filesize
8KB

Download
memory/1528-140-0x000002B302A60000-0x000002B3054C0000-memory.dmp

Filesize
42.4MB

Download
memory/1528-141-0x000002B300000000-0x000002B300294000-memory.dmp

Filesize
2.6MB

Download
memory/1528-142-0x000002B2FEF10000-0x000002B2FEF6C000-memory.dmp

Filesize
368KB

Download
memory/1528-143-0x000002B3002A0000-0x000002B300462000-memory.dmp

Filesize
1.8MB

Download
memory/1528-144-0x000002B2FEEB0000-0x000002B2FEED2000-memory.dmp

Filesize
136KB

Download
memory/1528-145-0x000002B301200000-0x000002B301F90000-memory.dmp

Filesize
13.6MB

Download
memory/1528-131-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/1528-130-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/1528-132-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

Filesize
64KB

Download
memory/1528-149-0x000002AA9C103000-0x000002AA9C105000-memory.dmp

Filesize
8KB

Download
memory/1528-150-0x000002B3097E0000-0x000002B30DAF6000-memory.dmp

Filesize
67.1MB

Download
memory/1528-151-0x000002B2FEFA0000-0x000002B2FEFC8000-memory.dmp

Filesize
160KB

Download
memory/1528-152-0x000002B2FFCF0000-0x000002B2FFD40000-memory.dmp

Filesize
320KB

Download
memory/1528-153-0x000002AAF6CB0000-0x000002AAF6CC0000-memory.dmp

Filesize
64KB

Download
memory/1528-154-0x000002B2FEEE0000-0x000002B2FEEF8000-memory.dmp

Filesize
96KB

Download
memory/1528-155-0x000002AA9BF40000-0x000002AA9BF9A000-memory.dmp

Filesize
360KB

Download
memory/1528-156-0x000002AA9C106000-0x000002AA9C108000-memory.dmp

Filesize
8KB

Download
memory/1528-157-0x000002AA9C109000-0x000002AA9C10B000-memory.dmp

Filesize
8KB

Download
memory/2728-164-0x0000000000000000-mapping.dmp

Download
memory/3136-159-0x0000000000000000-mapping.dmp

Download
memory/3136-160-0x000001E3F59E0000-0x000001E3F5A02000-memory.dmp

Filesize
136KB

Download
memory/3136-161-0x00007FFE76070000-0x00007FFE76B31000-memory.dmp

Filesize
10.8MB

Download
memory/3136-162-0x000001E3F5A50000-0x000001E3F5A52000-memory.dmp

Filesize
8KB

Download
memory/3136-163-0x000001E3F5A53000-0x000001E3F5A55000-memory.dmp

Filesize
8KB

Download
memory/3412-170-0x0000000000000000-mapping.dmp

Download
memory/4824-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads