775f91ad901f8124335442be896939f517fae9c38e36161be38f026bdd3f9bff

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, 02:50

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General

Target

775f91ad901f8124335442be896939f517fae9c38e36161be38f026bdd3f9bff.xls
Size

217KB
MD5

00869250be39ba02f55ccc621974787c
SHA1

08c3dbc33d9b1161fbf7bcc35fbc364aaab997cc
SHA256

775f91ad901f8124335442be896939f517fae9c38e36161be38f026bdd3f9bff
SHA512

8454349f1e1531acb85f54694e7dfe5a227e356d62d92257f13a4d0dabaff765a8a34063b9be88ebf0fd695f143ac428a3513c077dd5595cf12f3f911f7b480b
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	4816	4480	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4220	4480	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4168	4480	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4020	4480	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
4480	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4480	EXCEL.EXE
4480	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE
4480	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 4816	4480	EXCEL.EXE	68
PID 4480 wrote to memory of 4816	4480	EXCEL.EXE	68
PID 4480 wrote to memory of 4220	4480	EXCEL.EXE	69
PID 4480 wrote to memory of 4220	4480	EXCEL.EXE	69
PID 4480 wrote to memory of 4168	4480	EXCEL.EXE	70
PID 4480 wrote to memory of 4168	4480	EXCEL.EXE	70
PID 4480 wrote to memory of 4020	4480	EXCEL.EXE	71
PID 4480 wrote to memory of 4020	4480	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\775f91ad901f8124335442be896939f517fae9c38e36161be38f026bdd3f9bff.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:4480
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4816
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4220
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4168
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4020

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/4480-119-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-128-0x00007FFCE52B0000-0x00007FFCE52C0000-memory.dmp

Filesize
64KB

Download
memory/4480-129-0x00007FFCE52B0000-0x00007FFCE52C0000-memory.dmp

Filesize
64KB

Download
memory/4480-116-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-118-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-117-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-290-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-291-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-292-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download
memory/4480-293-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads