4396fe695b10f69b6ce85a1fde0860b372d4524c946ecb2a017c8e93b4261522

Analysis

max time kernel
144s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
09/11/2022, 18:06

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4396fe695b10f69b6ce85a1fde0860b372d4524c946ecb2a017c8e93b4261522.xls
Size 91KB
Sample221109-wps7labab5
SHA256 4396fe695b10f69b6ce85a1fde0860b372d4524c946ecb2a017c8e93b4261522
MD5 8da64785e095e3a9accfc29aa96253fd
SHA1 d09a1a6f2048d47a24dd70c5c3e71ad1a4e2e38a
SHA512 f4501b06a3abcb31d69c2ab583e241544601c6e1b5dd1dc56994815f821c84f2c2f264c7c1f74e8aeb932b74d3ec1ba54475513a53e9a91dd0d475d577b3ba6f
SSDEEP 1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Z2cvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dge
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/
xlm40.dropper
http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/
xlm40.dropper
http://royreid.co.uk/wp-content/dCwG/
xlm40.dropper
https://cs.com.sg/admin/a1lR5wu/

Signatures

Process spawned unexpected child process 4 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3724	5088	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3676	5088	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4068	5088	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3172	5088	regsvr32.exe	65

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

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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5088	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5088	EXCEL.EXE
5088	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 3724	5088	EXCEL.EXE	68
PID 5088 wrote to memory of 3724	5088	EXCEL.EXE	68
PID 5088 wrote to memory of 3676	5088	EXCEL.EXE	69
PID 5088 wrote to memory of 3676	5088	EXCEL.EXE	69
PID 5088 wrote to memory of 4068	5088	EXCEL.EXE	70
PID 5088 wrote to memory of 4068	5088	EXCEL.EXE	70
PID 5088 wrote to memory of 3172	5088	EXCEL.EXE	71
PID 5088 wrote to memory of 3172	5088	EXCEL.EXE	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4396fe695b10f69b6ce85a1fde0860b372d4524c946ecb2a017c8e93b4261522.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3724
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3676
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4068
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3172

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

Loading Replay Monitor...

Downloads

memory/5088-120-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

Download

memory/5088-121-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

Download

memory/5088-122-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

Download

memory/5088-123-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

Download

memory/5088-132-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

Download

memory/5088-133-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads