c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0

Analysis

max time kernel
129s
max time network
131s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
04/11/2022, 02:20

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General

Target

c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0.xls
Size

217KB
MD5

fa1d59a5f227350a9b8e7fdf7d664a19
SHA1

d2c2379483c34b730faec3344429da544a15a6cd
SHA256

c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0
SHA512

ea296806265062397be315f9f6555a9e723f531e9c421ad39b08539bfa28bab6b3b16d9da44c909b67c7f009621a086fa1b55a978b555f7f0f3d92d3ed0390fb
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm8:JbGUMVWlb8

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	3020	1752	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4636	1752	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3180	1752	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3248	1752	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
1752	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1752	EXCEL.EXE
1752	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE
1752	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 3020	1752	EXCEL.EXE	68
PID 1752 wrote to memory of 3020	1752	EXCEL.EXE	68
PID 1752 wrote to memory of 4636	1752	EXCEL.EXE	69
PID 1752 wrote to memory of 4636	1752	EXCEL.EXE	69
PID 1752 wrote to memory of 3180	1752	EXCEL.EXE	70
PID 1752 wrote to memory of 3180	1752	EXCEL.EXE	70
PID 1752 wrote to memory of 3248	1752	EXCEL.EXE	71
PID 1752 wrote to memory of 3248	1752	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\c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0.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:1752
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3020
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4636
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3180
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3248

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/1752-310-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-119-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-120-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-121-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-130-0x00007FF84DFE0000-0x00007FF84DFF0000-memory.dmp

Filesize
64KB

Download
memory/1752-131-0x00007FF84DFE0000-0x00007FF84DFF0000-memory.dmp

Filesize
64KB

Download
memory/1752-118-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-313-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-312-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download
memory/1752-311-0x00007FF851770000-0x00007FF851780000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads