8733cbc5d33aaa41661e735e686311158817ef9d747ad54cab7bfc6f475c114b

General

Target

8733cbc5d33aaa41661e735e686311158817ef9d747ad54cab7bfc6f475c114b.xls
Size

46KB
MD5

a7fec9507376dd533b50e154cb931e28
SHA1

a2e1a5c5510c3272bf25a7222b38bd66f5a77d55
SHA256

8733cbc5d33aaa41661e735e686311158817ef9d747ad54cab7bfc6f475c114b
SHA512

51e0dc8a81eb912229ba7655312c4bd7086f126f7c9eb709e81151b7e64d1f09ffaeee7fe8d8cc456c890f8fcaa33942a402a3326e1df6fa7572f7f9f2a61b96
SSDEEP

768:pDMPKpb8rGYrMPe3q7Q0XV5xtezE8vpI8UM+VgTBs7QqvZQ4tsdurf:pYKpb8rGYrMPe3q7Q0XV5xtezE8vG8Uf

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://202.29.80.55/2021/z/

xlm40.dropper

http://23.239.12.243/dealspot/SvebxVmFucz/

xlm40.dropper

https://adviceme.gr/test/SSzbOkk633/

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	4008	3616	regsvr32.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1692	3616	regsvr32.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1936	3616	regsvr32.exe	83

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
3616	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3616	EXCEL.EXE
3616	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 4008	3616	EXCEL.EXE	94
PID 3616 wrote to memory of 4008	3616	EXCEL.EXE	94
PID 3616 wrote to memory of 1692	3616	EXCEL.EXE	95
PID 3616 wrote to memory of 1692	3616	EXCEL.EXE	95
PID 3616 wrote to memory of 1936	3616	EXCEL.EXE	96
PID 3616 wrote to memory of 1936	3616	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8733cbc5d33aaa41661e735e686311158817ef9d747ad54cab7bfc6f475c114b.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:3616
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4008
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1692
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1936

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

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Downloads

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

Filesize
1KB

MD5
2b990b92363563d2620870da9220450f

SHA1
6996fcb5342cce2e74cb722d7b8d06daaad7caf0

SHA256
2fb32b4fbcd166c603f8ac741ec59bd16afe14f576014725fe041249f7029703

SHA512
5059419132aa73f7e88957b2e65875df552b9b8871885927f49cdafb15208099b666754e1f8413896841ba095232ae9c6eaa2ab781c9400f7fdf53d0727378ad

Download Submit
memory/3616-13-0x00007FFA126E0000-0x00007FFA126F0000-memory.dmp

Filesize
64KB

Download
memory/3616-7-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-5-0x00007FFA147F0000-0x00007FFA14800000-memory.dmp

Filesize
64KB

Download
memory/3616-2-0x00007FFA147F0000-0x00007FFA14800000-memory.dmp

Filesize
64KB

Download
memory/3616-1-0x00007FFA147F0000-0x00007FFA14800000-memory.dmp

Filesize
64KB

Download
memory/3616-8-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-11-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-10-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-12-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-16-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-4-0x00007FFA147F0000-0x00007FFA14800000-memory.dmp

Filesize
64KB

Download
memory/3616-9-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-0-0x00007FFA147F0000-0x00007FFA14800000-memory.dmp

Filesize
64KB

Download
memory/3616-17-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-19-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-20-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-18-0x00007FFA126E0000-0x00007FFA126F0000-memory.dmp

Filesize
64KB

Download
memory/3616-15-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-14-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-6-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-30-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/3616-3-0x00007FFA5480D000-0x00007FFA5480E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads