9c48fc5a00f65eb256e1dd5a3665dd03e5399458554ee216e3a6fcb1b081197c

General

Target

9c48fc5a00f65eb256e1dd5a3665dd03e5399458554ee216e3a6fcb1b081197c.xls
Size

95KB
MD5

0077a4b1753a47cbdb9a7401d0cf5902
SHA1

8265638c09d985b1bd6eefed6bf13bd405ea4cfb
SHA256

9c48fc5a00f65eb256e1dd5a3665dd03e5399458554ee216e3a6fcb1b081197c
SHA512

e4c089595d6a18e6613cd268dbc0d02004718fdce10f679e6fd84a837ca203b12b438b9de5a84a28d64ce7f614004f3af232208b82b2cd8c8c6c6252cd1dda76
SSDEEP

1536:PFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgPHuS4hcTO97v7UYdEJmXNTE:tKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgh

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://aysbody.com/catalog/Oax5/

xlm40.dropper

http://www.garantihaliyikama.com/wp-admin/QVvdNIasGj/

xlm40.dropper

https://yoymanajemen.id/wp-content/khXBxIm5/

xlm40.dropper

https://dawtona.dev.goldensystem.pl/wp-admin/EX05554XhKk3ee2cQ/

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3308	400	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3960	400	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	212	400	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4220	400	regsvr32.exe	81

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 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

Processes:

EXCEL.EXE

pid	Process
400	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid	Process
400	EXCEL.EXE
400	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE
400	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 400 wrote to memory of 3308	400	EXCEL.EXE	83
PID 400 wrote to memory of 3308	400	EXCEL.EXE	83
PID 400 wrote to memory of 3960	400	EXCEL.EXE	87
PID 400 wrote to memory of 3960	400	EXCEL.EXE	87
PID 400 wrote to memory of 212	400	EXCEL.EXE	88
PID 400 wrote to memory of 212	400	EXCEL.EXE	88
PID 400 wrote to memory of 4220	400	EXCEL.EXE	89
PID 400 wrote to memory of 4220	400	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\9c48fc5a00f65eb256e1dd5a3665dd03e5399458554ee216e3a6fcb1b081197c.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:400
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3308
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3960
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:212
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4220

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
2KB

MD5
c2ac3e8c5f0793b4cf0b26d699a12889

SHA1
387d6bf852ffc7524d11ba7daf60f98c2d38eb40

SHA256
cb087bb1c0bbe986ac368ebe6c12b4852e9bb8ec0ad16817a2e60eac2595635e

SHA512
217d7a12fbf0086dab76ae19295d209e2fffc6080cd61e9ba85635542db394c72f8cdc2483badb247304504dd1a214c3c47f6a1994cf94e095aea8428fe5fcb0

Download Submit
memory/400-9-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-3-0x00007FFD560CD000-0x00007FFD560CE000-memory.dmp

Filesize
4KB

Download
memory/400-13-0x00007FFD138B0000-0x00007FFD138C0000-memory.dmp

Filesize
64KB

Download
memory/400-4-0x00007FFD160B0000-0x00007FFD160C0000-memory.dmp

Filesize
64KB

Download
memory/400-8-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-12-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-11-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-10-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-0-0x00007FFD160B0000-0x00007FFD160C0000-memory.dmp

Filesize
64KB

Download
memory/400-1-0x00007FFD160B0000-0x00007FFD160C0000-memory.dmp

Filesize
64KB

Download
memory/400-14-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-15-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-16-0x00007FFD138B0000-0x00007FFD138C0000-memory.dmp

Filesize
64KB

Download
memory/400-7-0x00007FFD160B0000-0x00007FFD160C0000-memory.dmp

Filesize
64KB

Download
memory/400-17-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-6-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-5-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-30-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/400-2-0x00007FFD160B0000-0x00007FFD160C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads