2be9a225e4de9263b2e15b4780928777742f5c6d98918826803b09d7dbb3098f

General

Target

2be9a225e4de9263b2e15b4780928777742f5c6d98918826803b09d7dbb3098f.xls
Size

93KB
MD5

e4fe498d320319c703ed00919db9e0ef
SHA1

94c49273989452600d73dde0077678f7f8ce9850
SHA256

2be9a225e4de9263b2e15b4780928777742f5c6d98918826803b09d7dbb3098f
SHA512

b86477f23dbb17b0cf8695745448ae55ff1cef9a7d4e697cc65693ac05000c35f977a55f7deed055dace090174dd078b59d795b6a35cb0768c403e89ec9177c6
SSDEEP

1536:L3zzz+0fxAIxToBCRiZdmV8kFZ95LnhGWVbrzQ73KOtgZeTkR62luIhY7nJdJoOe:/DEWVbrzQ7PycTk9V2AJaXwF5kVAn

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

cmd.execmd.execmd.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	4244	1688	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1616	1688	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4352	1688	cmd.exe	EXCEL.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:

EXCEL.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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
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	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\E3285E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\E3285E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

EXCEL.EXE

pid	process
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1688 wrote to memory of 4244	1688	EXCEL.EXE	cmd.exe
PID 1688 wrote to memory of 4244	1688	EXCEL.EXE	cmd.exe
PID 1688 wrote to memory of 4352	1688	EXCEL.EXE	cmd.exe
PID 1688 wrote to memory of 4352	1688	EXCEL.EXE	cmd.exe
PID 1688 wrote to memory of 1616	1688	EXCEL.EXE	cmd.exe
PID 1688 wrote to memory of 1616	1688	EXCEL.EXE	cmd.exe
PID 4244 wrote to memory of 1980	4244	cmd.exe	attrib.exe
PID 4244 wrote to memory of 1980	4244	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1980 attrib.exe

pid	process
1980	attrib.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\2be9a225e4de9263b2e15b4780928777742f5c6d98918826803b09d7dbb3098f.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1980
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:1616
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:4352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

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/1616-141-0x0000000000000000-mapping.dmp

Download
memory/1688-145-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-133-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-135-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-136-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-137-0x00007FFD1E2C0000-0x00007FFD1E2D0000-memory.dmp

Filesize
64KB

Download
memory/1688-138-0x00007FFD1E2C0000-0x00007FFD1E2D0000-memory.dmp

Filesize
64KB

Download
memory/1688-134-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-148-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-147-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-146-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1688-143-0x0000025F5E9DA000-0x0000025F5E9DC000-memory.dmp

Filesize
8KB

Download
memory/1688-132-0x00007FFD203D0000-0x00007FFD203E0000-memory.dmp

Filesize
64KB

Download
memory/1980-142-0x0000000000000000-mapping.dmp

Download
memory/4244-139-0x0000000000000000-mapping.dmp

Download
memory/4352-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads