be2d6c0c6cde54c4936782d42f80fe02f98ab6ad26dc13afa97bd224dfb518a2

Analysis

max time kernel
148s
max time network
147s
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, 18:46

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General

Target

be2d6c0c6cde54c4936782d42f80fe02f98ab6ad26dc13afa97bd224dfb518a2.xls
Size

217KB
MD5

2ae7ee8e0e3983a09fabf385d60f71d1
SHA1

e7e89819c92f40b3dd2a46fee48d9381c0b76c62
SHA256

be2d6c0c6cde54c4936782d42f80fe02f98ab6ad26dc13afa97bd224dfb518a2
SHA512

3ca7a2018cd0e4636ae47786385cecea6bb985a6150c4c4e824a4d1c1b80e1a2ba6c293e09ee4f8221ec5a1b7c58a0d35ba73e238cb520049fd55f27af17d14d
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmH:bbGUMVWlbH

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	4504	380	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3728	380	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5000	380	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4660	380	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
380	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
380	EXCEL.EXE
380	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE
380	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 4504	380	EXCEL.EXE	68
PID 380 wrote to memory of 4504	380	EXCEL.EXE	68
PID 380 wrote to memory of 3728	380	EXCEL.EXE	69
PID 380 wrote to memory of 3728	380	EXCEL.EXE	69
PID 380 wrote to memory of 5000	380	EXCEL.EXE	70
PID 380 wrote to memory of 5000	380	EXCEL.EXE	70
PID 380 wrote to memory of 4660	380	EXCEL.EXE	71
PID 380 wrote to memory of 4660	380	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\be2d6c0c6cde54c4936782d42f80fe02f98ab6ad26dc13afa97bd224dfb518a2.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:380
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4504
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3728
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5000
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4660

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/380-120-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

Filesize
64KB

Download
memory/380-121-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

Filesize
64KB

Download
memory/380-122-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

Filesize
64KB

Download
memory/380-123-0x00007FF9D0A10000-0x00007FF9D0A20000-memory.dmp

Filesize
64KB

Download
memory/380-132-0x00007FF9CDEC0000-0x00007FF9CDED0000-memory.dmp

Filesize
64KB

Download
memory/380-133-0x00007FF9CDEC0000-0x00007FF9CDED0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads