cbb3abb93121d40e4fc8abef0ef00f9f6f5cd299399d71218561d80bacb224f5

Analysis

max time kernel
136s
max time network
139s
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, 23:00

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General

Target

cbb3abb93121d40e4fc8abef0ef00f9f6f5cd299399d71218561d80bacb224f5.xls
Size

217KB
MD5

19a1ba1b8942c57b21e93065534317fe
SHA1

1ae5f4748d94358b1d958da29d397422f448e7e2
SHA256

cbb3abb93121d40e4fc8abef0ef00f9f6f5cd299399d71218561d80bacb224f5
SHA512

36a0ac6457bb40811e1364f5657258f02bbc16c1d27e2ac47d8a6ce3cb939044a142dfec8a72331554b7be5db7ff42f16710748fa975cce6c2b776d401930ec1
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmI:JbGUMVWlbI

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://aquariorecords.com.br/wp-content/A8G3ownNApEj1L4hF/

xlm40.dropper

http://ftp.pricoat.com.mx/Fichas/3ybJLLXu5zqqn8Sx/

xlm40.dropper

http://armannahalpersian.ir/3H5qqUOB/

xlm40.dropper

http://alagi.ge/application/irnz5Rs8qWvQrf/

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	5024	4912	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3012	4912	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4472	4912	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3192	4912	regsvr32.exe	66

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
4912	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4912	EXCEL.EXE
4912	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE
4912	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 5024	4912	EXCEL.EXE	69
PID 4912 wrote to memory of 5024	4912	EXCEL.EXE	69
PID 4912 wrote to memory of 3012	4912	EXCEL.EXE	70
PID 4912 wrote to memory of 3012	4912	EXCEL.EXE	70
PID 4912 wrote to memory of 4472	4912	EXCEL.EXE	71
PID 4912 wrote to memory of 4472	4912	EXCEL.EXE	71
PID 4912 wrote to memory of 3192	4912	EXCEL.EXE	72
PID 4912 wrote to memory of 3192	4912	EXCEL.EXE	72

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cbb3abb93121d40e4fc8abef0ef00f9f6f5cd299399d71218561d80bacb224f5.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:4912
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5024
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3012
- 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:3192

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/4912-119-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-128-0x00007FF83D6F0000-0x00007FF83D700000-memory.dmp

Filesize
64KB

Download
memory/4912-129-0x00007FF83D6F0000-0x00007FF83D700000-memory.dmp

Filesize
64KB

Download
memory/4912-116-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-118-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-117-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-290-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-291-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-292-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download
memory/4912-293-0x00007FF840EC0000-0x00007FF840ED0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads