9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08

Analysis

max time kernel
128s
max time network
130s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 23:40

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General

Target

9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.xls
Size

217KB
MD5

4958d0a5264ee15a51664e626d0714d8
SHA1

abb5172ced836603ced737e93fb6ad050951b5eb
SHA256

9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08
SHA512

20b51581af18f3a26d1eb0bfceb3e911b25e2d91a97de4a75d6f3243c7537e89b9f8ff3c0ffd8b238dbfc1ea9bc9c666024b0551983671cd6ea3f17bad5086be
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7VnT:1bGUMVWlbd

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/

xlm40.dropper

http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/

xlm40.dropper

http://sourcecool.com/throng/iOD/

xlm40.dropper

http://www.stickers-et-deco.com/Adapter/lYw/

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	4660	4884	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5064	4884	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3208	4884	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4364	4884	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4884	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4884	EXCEL.EXE
4884	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE
4884	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 4660	4884	EXCEL.EXE	68
PID 4884 wrote to memory of 4660	4884	EXCEL.EXE	68
PID 4884 wrote to memory of 5064	4884	EXCEL.EXE	69
PID 4884 wrote to memory of 5064	4884	EXCEL.EXE	69
PID 4884 wrote to memory of 3208	4884	EXCEL.EXE	70
PID 4884 wrote to memory of 3208	4884	EXCEL.EXE	70
PID 4884 wrote to memory of 4364	4884	EXCEL.EXE	71
PID 4884 wrote to memory of 4364	4884	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\9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.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:4884
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4660
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5064
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3208
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4364

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

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Downloads

memory/4884-119-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-128-0x00007FFE96150000-0x00007FFE96160000-memory.dmp

Filesize
64KB

Download
memory/4884-129-0x00007FFE96150000-0x00007FFE96160000-memory.dmp

Filesize
64KB

Download
memory/4884-116-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-118-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-117-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-293-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-294-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-295-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download
memory/4884-296-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads