df8163211cd4768626393f3d28d44cb00475ae3f48ea03a4ed02fd5857ca7065

General

Target

df8163211cd4768626393f3d28d44cb00475ae3f48ea03a4ed02fd5857ca7065.xls
Size

46KB
MD5

65179433a51e8629c43875b47944475f
SHA1

792aca77182558d5e5c8f5a54bd14b2871afa842
SHA256

df8163211cd4768626393f3d28d44cb00475ae3f48ea03a4ed02fd5857ca7065
SHA512

c9ae7801651d8fe52421530665f3842e209adfa0b743a0102495f7ebaf74cc8b5c312ccdc01c458eeebc12179bfd4b0b910965b4f92c11254085b34e7d131d07
SSDEEP

768:pDMPKpb8rGYrMPe3q7Q0XV5xtezE8vpI8UM+VQTUs77quK7KtGu6Q:pYKpb8rGYrMPe3q7Q0XV5xtezE8vG8U2

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://zktecovn.com/wp-admin/xxfnYY4zwOpFOgu3g1t/

xlm40.dropper

http://zacharywythe.com/pb_index_bak/SkEGB2c/

xlm40.dropper

http://zonainformatica.es/aspnet_client/pVcppgi00Dk/

Signatures

Process spawned unexpected child process 3 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	2484	4236	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2040	4236	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3440	4236	regsvr32.exe	82

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
4236	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4236	EXCEL.EXE
4236	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE
4236	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 2484	4236	EXCEL.EXE	91
PID 4236 wrote to memory of 2484	4236	EXCEL.EXE	91
PID 4236 wrote to memory of 2040	4236	EXCEL.EXE	93
PID 4236 wrote to memory of 2040	4236	EXCEL.EXE	93
PID 4236 wrote to memory of 3440	4236	EXCEL.EXE	94
PID 4236 wrote to memory of 3440	4236	EXCEL.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\df8163211cd4768626393f3d28d44cb00475ae3f48ea03a4ed02fd5857ca7065.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:4236
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2484
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2040
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
9caa07e72b5c4bc42af3f5612bc6a112

SHA1
075d00c2507543d2e6963250e16d60fcd19231ce

SHA256
1cd9b99eae8fc2d752d73c22c21ed5fdf4a02ee5eeacee093b9b30fd4ad83832

SHA512
55eff82f0750554ae7b4fc8ff4ae598c85392f621bb73181550ed7c76f5cf6ead183a72fc4b4f9983b2d43261d6e5b426370e0f186f8415a03080c7ff980d908

Download Submit
memory/4236-13-0x00007FFF87DF0000-0x00007FFF87E00000-memory.dmp

Filesize
64KB

Download
memory/4236-7-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-5-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

Filesize
64KB

Download
memory/4236-1-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

Filesize
64KB

Download
memory/4236-0-0x00007FFFCA4CD000-0x00007FFFCA4CE000-memory.dmp

Filesize
4KB

Download
memory/4236-6-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-3-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

Filesize
64KB

Download
memory/4236-9-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-10-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-12-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-4-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

Filesize
64KB

Download
memory/4236-11-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-17-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-15-0x00007FFF87DF0000-0x00007FFF87E00000-memory.dmp

Filesize
64KB

Download
memory/4236-16-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-14-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-8-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-19-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-18-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-36-0x00007FFFCA4CD000-0x00007FFFCA4CE000-memory.dmp

Filesize
4KB

Download
memory/4236-37-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-38-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-42-0x00007FFFCA430000-0x00007FFFCA625000-memory.dmp

Filesize
2.0MB

Download
memory/4236-2-0x00007FFF8A4B0000-0x00007FFF8A4C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads