32b77d3e76a05de49b77a701551220c2884f294c453f7e2c644adda47a95b463

Analysis

max time kernel
131s
max time network
135s
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, 13:05

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General

Target

32b77d3e76a05de49b77a701551220c2884f294c453f7e2c644adda47a95b463.xls
Size

217KB
MD5

e32f0521b0d507a25997e3feef71f090
SHA1

bdd537bfae6233b83e9793cc3519f8a2a2f64b62
SHA256

32b77d3e76a05de49b77a701551220c2884f294c453f7e2c644adda47a95b463
SHA512

1d20990cd1e6cf83f29f8a6f11e8dc2f4ca3dae38dbef466d27186d2216e26ab25a126bd0c3e98e2d0ab5628058ad50c9b481116126ce8c6b12e73c5998ef226
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dg8yY+TAQXTHGUMEyP5p6f5jQmt:nbGUMVWlbt

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kabaruntukrakyat.com/wp-content/B9oJ0jh/

xlm40.dropper

http://coinkub.com/wp-content/WwrJvjumS/

xlm40.dropper

https://aberractivity.hu/iqq/Dmtv/

xlm40.dropper

https://anamafegarcia.es/css/HfFXMTXvc40t/

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	4612	60	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3196	60	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5088	60	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5076	60	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
60	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
60	EXCEL.EXE
60	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE
60	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 4612	60	EXCEL.EXE	68
PID 60 wrote to memory of 4612	60	EXCEL.EXE	68
PID 60 wrote to memory of 3196	60	EXCEL.EXE	69
PID 60 wrote to memory of 3196	60	EXCEL.EXE	69
PID 60 wrote to memory of 5088	60	EXCEL.EXE	70
PID 60 wrote to memory of 5088	60	EXCEL.EXE	70
PID 60 wrote to memory of 5076	60	EXCEL.EXE	71
PID 60 wrote to memory of 5076	60	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\32b77d3e76a05de49b77a701551220c2884f294c453f7e2c644adda47a95b463.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:60
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4612
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3196
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5076

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/60-313-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-119-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-120-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-121-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-130-0x00007FF84DFE0000-0x00007FF84DFF0000-memory.dmp

Filesize
64KB

Download
memory/60-131-0x00007FF84DFE0000-0x00007FF84DFF0000-memory.dmp

Filesize
64KB

Download
memory/60-118-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-315-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-314-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/60-312-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads