f30590d2f718c1ebf0e151eaa76cbc5aa448a6a0164b9808bbc7e5270fa5c4cd

General

Target

f30590d2f718c1ebf0e151eaa76cbc5aa448a6a0164b9808bbc7e5270fa5c4cd.xls
Size

217KB
MD5

a18b1c3bb96c0c330dc09757c51a70e9
SHA1

96cc199123a1581654a58158f84e33b5022c07be
SHA256

f30590d2f718c1ebf0e151eaa76cbc5aa448a6a0164b9808bbc7e5270fa5c4cd
SHA512

425cae363ea2341dd56f52f590d43f8423fdcdcfb5f16ccc2e841c461c1f1974f1d2fd686d0fb72ee9eedb8893bc60a13dce64da3204f150b9e720aabb017637
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgXyY+TAQXTHGUMEyP5p6f5jQmK:DbGUMVWlbK

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://barkstage.es/wp-content/0E7NdYl7TZuHMJq7/

xlm40.dropper

http://contactworks.nl/images_old/NuEAhfF0PCFhvv/

xlm40.dropper

http://www.iam.ch/wp-content/cache/minify/O1OAjWnfen/

xlm40.dropper

https://www.elaboro.pl/wp-admin/J0hwyIMsk9YFIi/

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	4696	1008	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4688	1008	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4608	1008	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4684	1008	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1008	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1008	EXCEL.EXE
1008	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 4696	1008	EXCEL.EXE	68
PID 1008 wrote to memory of 4696	1008	EXCEL.EXE	68
PID 1008 wrote to memory of 4688	1008	EXCEL.EXE	69
PID 1008 wrote to memory of 4688	1008	EXCEL.EXE	69
PID 1008 wrote to memory of 4608	1008	EXCEL.EXE	70
PID 1008 wrote to memory of 4608	1008	EXCEL.EXE	70
PID 1008 wrote to memory of 4684	1008	EXCEL.EXE	71
PID 1008 wrote to memory of 4684	1008	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\f30590d2f718c1ebf0e151eaa76cbc5aa448a6a0164b9808bbc7e5270fa5c4cd.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:1008
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4696
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4688
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4608
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1008-297-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-117-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-118-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-119-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-128-0x00007FFE48FF0000-0x00007FFE49000000-memory.dmp

Filesize
64KB

Download
memory/1008-129-0x00007FFE48FF0000-0x00007FFE49000000-memory.dmp

Filesize
64KB

Download
memory/1008-299-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-296-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-116-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download
memory/1008-298-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads