0316acad3c847cb3c98a8f85b3304002130f409a0e9ce4b3741e02d68e9a5028

General

Target

0316acad3c847cb3c98a8f85b3304002130f409a0e9ce4b3741e02d68e9a5028.xls
Size

70KB
MD5

cef843f32f039091b7603114d38ddc9f
SHA1

6dd9eeee832003fd1c2aec6f1ac42ca92fc3b801
SHA256

0316acad3c847cb3c98a8f85b3304002130f409a0e9ce4b3741e02d68e9a5028
SHA512

af5895e65b36a559fa46b75d504a1837d23e916e9f0293ba1d3be4f1b8c7dbd198dfa446f04286c538abe9a9003af918b6fc91b5d70de421565bec368d8438df
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+e+hDcnTLiQrRTZws8Egk:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMx

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://strachanclark.com/images/3gc4qCpSFYbBMDEC/

xlm40.dropper

https://synapse-archive.com/images/bKaMr/

xlm40.dropper

https://sumuvesa.com/wp-includes/rgL/

Signatures

Process spawned unexpected child process 3 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	4040	3396	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2480	3396	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2880	3396	regsvr32.exe	82

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
3396	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3396	EXCEL.EXE
3396	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE
3396	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4040	3396	EXCEL.EXE	87
PID 3396 wrote to memory of 4040	3396	EXCEL.EXE	87
PID 3396 wrote to memory of 2480	3396	EXCEL.EXE	90
PID 3396 wrote to memory of 2480	3396	EXCEL.EXE	90
PID 3396 wrote to memory of 2880	3396	EXCEL.EXE	94
PID 3396 wrote to memory of 2880	3396	EXCEL.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0316acad3c847cb3c98a8f85b3304002130f409a0e9ce4b3741e02d68e9a5028.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:3396
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4040
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2480
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
2KB

MD5
fe5a84cb365239eb0c5941c4384b7355

SHA1
b22b4395f8f6e34b46e9d8475a40a4d22771f637

SHA256
8f55cc33a253b0181dbddca43efba7aa65bc18632ec5cc0e05a5e8bdc92da7df

SHA512
180a47907a9e06aef67121408fb5aeb974d6a4add0053e6e7e28c45fcf6ee3f2ba3aca13aaeb04e02b4b525c2496208748667e7e99453a1a9354e4f53f4759cb

Download Submit
memory/3396-7-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-50-0x00007FFE768CD000-0x00007FFE768CE000-memory.dmp

Filesize
4KB

Download
memory/3396-2-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

Filesize
64KB

Download
memory/3396-1-0x00007FFE768CD000-0x00007FFE768CE000-memory.dmp

Filesize
4KB

Download
memory/3396-5-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

Filesize
64KB

Download
memory/3396-9-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-8-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-11-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-12-0x00007FFE34000000-0x00007FFE34010000-memory.dmp

Filesize
64KB

Download
memory/3396-10-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-13-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-0-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

Filesize
64KB

Download
memory/3396-4-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

Filesize
64KB

Download
memory/3396-6-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-19-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-17-0x00007FFE34000000-0x00007FFE34010000-memory.dmp

Filesize
64KB

Download
memory/3396-18-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-21-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-15-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-20-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-16-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-49-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-14-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-51-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-55-0x00007FFE76830000-0x00007FFE76A25000-memory.dmp

Filesize
2.0MB

Download
memory/3396-3-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads