f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326

Analysis

max time kernel
147s
max time network
146s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 14:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326.xls
Size

217KB
MD5

2b56de8c77b3cd04c40b246d9416180c
SHA1

d20f631ae1d10ca140460968f392613990b49caf
SHA256

f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326
SHA512

d2f455ebcae7377b304c4d204a71490d8fcbf54c5f7d281bc545dac1ecda2c4638f4a26d5bc1254b4e504644dd295866b8eb590dff5c0e6ea3ffb00333638828
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmn:bbGUMVWlbn

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://aprendeconmireia.com/images/wBu/

xlm40.dropper

http://updailymail.com/cgi-bin/gBYmfqRi2utIS2n/

xlm40.dropper

https://akuntansi.itny.ac.id/asset/9aVFvYeaSKOhGBSLx/

xlm40.dropper

http://swiftwebbox.com/cgi-bin/vNqoMtQilpysJYRwtGu/

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	5076	4732	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5088	4732	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4472	4732	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4056	4732	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
4732	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4732	EXCEL.EXE
4732	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 5076	4732	EXCEL.EXE	68
PID 4732 wrote to memory of 5076	4732	EXCEL.EXE	68
PID 4732 wrote to memory of 5088	4732	EXCEL.EXE	69
PID 4732 wrote to memory of 5088	4732	EXCEL.EXE	69
PID 4732 wrote to memory of 4472	4732	EXCEL.EXE	70
PID 4732 wrote to memory of 4472	4732	EXCEL.EXE	70
PID 4732 wrote to memory of 4056	4732	EXCEL.EXE	71
PID 4732 wrote to memory of 4056	4732	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\f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326.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:4732
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5076
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4472
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4056

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/4732-117-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

Filesize
64KB

Download
memory/4732-118-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

Filesize
64KB

Download
memory/4732-119-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

Filesize
64KB

Download
memory/4732-120-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

Filesize
64KB

Download
memory/4732-129-0x00007FFDED620000-0x00007FFDED630000-memory.dmp

Filesize
64KB

Download
memory/4732-130-0x00007FFDED620000-0x00007FFDED630000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads