cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d

Analysis

max time kernel
130s
max time network
149s
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, 22:45

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General

Target

cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.xls
Size

217KB
MD5

c7911de4f663065623db94da9ecdad27
SHA1

99da7b8cdd23c8cf51b0c0b7273a0e942634119a
SHA256

cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d
SHA512

6ebb0b61faccb7700b8410f439636d7b15026a236157b22465586c479ac77f7d7b62c268f38884806c193e2a434e4e7a7979d191eb4fba349f99dbf2515e3b50
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm75nT:1bGUMVWlbp

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	4932	3976	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4896	3976	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3008	3976	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	700	3976	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
3976	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3976	EXCEL.EXE
3976	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE
3976	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 4932	3976	EXCEL.EXE	68
PID 3976 wrote to memory of 4932	3976	EXCEL.EXE	68
PID 3976 wrote to memory of 4896	3976	EXCEL.EXE	69
PID 3976 wrote to memory of 4896	3976	EXCEL.EXE	69
PID 3976 wrote to memory of 3008	3976	EXCEL.EXE	70
PID 3976 wrote to memory of 3008	3976	EXCEL.EXE	70
PID 3976 wrote to memory of 700	3976	EXCEL.EXE	71
PID 3976 wrote to memory of 700	3976	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\cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.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:3976
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4932
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4896
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3008
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:700

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/3976-122-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-119-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-131-0x00007FFF06FD0000-0x00007FFF06FE0000-memory.dmp

Filesize
64KB

Download
memory/3976-132-0x00007FFF06FD0000-0x00007FFF06FE0000-memory.dmp

Filesize
64KB

Download
memory/3976-121-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-120-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-293-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-294-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-295-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download
memory/3976-296-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads