50f5316c84df540350104b16bed310b39f26ea082114e95c47f042619ddebb40

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2023, 03:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

403e70970c9b6f4669f5446607042721caaa2235ebd610c31e1a5f7fc917d752.xls
Size

255KB
MD5

ce3280f3e64768ff5a8b68c29bdf6fc7
SHA1

a4d3d2107acab77c677054f428ad7c714bebb2fe
SHA256

403e70970c9b6f4669f5446607042721caaa2235ebd610c31e1a5f7fc917d752
SHA512

1c558bda07e64e84f56b1f8799602fe91f0d65a71f650993e6c41c0a3ef1c0d404f4e1f415aeb47033cb9ddd9afbea84c21f1bfade642c8ea1e1350ac9321175
SSDEEP

6144:NKpb8rGYrMPe3q7Q0XV5xtuEsi8/dguNiwrfx9rNFMMrttRzV5Dz3UxqC8LUcSi:1NbDjP9XH5XIqZLnSi

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://navylin.com/autopoisonous/yT4y0aa/

xlm40.dropper

http://www.3d-stickers.com/cache/ULfOeC4z7U/

xlm40.dropper

http://talles.atwebpages.com/sistemas/2WReqC3w1bZsCp/

xlm40.dropper

http://coinkub.com/wp-content/NL7Ddclhm/

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	604	4896	regsvr32.exe	80
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1824	4896	regsvr32.exe	80
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3548	4896	regsvr32.exe	80
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5016	4896	regsvr32.exe	80

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
4896	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE
4896	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 604	4896	EXCEL.EXE	87
PID 4896 wrote to memory of 604	4896	EXCEL.EXE	87
PID 4896 wrote to memory of 1824	4896	EXCEL.EXE	88
PID 4896 wrote to memory of 1824	4896	EXCEL.EXE	88
PID 4896 wrote to memory of 3548	4896	EXCEL.EXE	89
PID 4896 wrote to memory of 3548	4896	EXCEL.EXE	89
PID 4896 wrote to memory of 5016	4896	EXCEL.EXE	92
PID 4896 wrote to memory of 5016	4896	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\403e70970c9b6f4669f5446607042721caaa2235ebd610c31e1a5f7fc917d752.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:604
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:1824
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3548
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5016

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4896-132-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/4896-133-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/4896-134-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/4896-135-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/4896-136-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/4896-137-0x00007FFEAB800000-0x00007FFEAB810000-memory.dmp

Filesize
64KB

Download
memory/4896-138-0x00007FFEAB800000-0x00007FFEAB810000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads