8787c0145dd3f55caf719d92b71057e3f061a47860510991563021812b47fc74

General

Target

8787c0145dd3f55caf719d92b71057e3f061a47860510991563021812b47fc74.xls
Size

63KB
MD5

7c22e6aa4e01118efdb1ddf5220e60b1
SHA1

7cd971156c45b8671f374b73cbd6cf9af1a48c0f
SHA256

8787c0145dd3f55caf719d92b71057e3f061a47860510991563021812b47fc74
SHA512

620e47c5b12d66ec7a10b47095ae5be87d09a098dcadb708bdcdfe7380605e5dd998e790e086a8b80dc9989e7e2d7fe64e9dbb16b9fc365f20c741a9eb5d9774
SSDEEP

1536:dpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9HuS4VcTO9/r7UYdEJe5o1/:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgP

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.careofu.com/PHPExcel/sQ78BedribNJZbGYj/

xlm40.dropper

https://cedeco.es/js/n74fS/

xlm40.dropper

http://balticcontrolbd.com/cgi-bin/Gu0xno0kIssGJF8/

xlm40.dropper

https://fikti.bem.gunadarma.ac.id/SDM/qNeMUe2RvxdvuRlf/

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	2364	2836	regsvr32.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2864	2836	regsvr32.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1952	2836	regsvr32.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4724	2836	regsvr32.exe	84

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
2836	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2836	EXCEL.EXE
2836	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE
2836	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2364	2836	EXCEL.EXE	90
PID 2836 wrote to memory of 2364	2836	EXCEL.EXE	90
PID 2836 wrote to memory of 2864	2836	EXCEL.EXE	100
PID 2836 wrote to memory of 2864	2836	EXCEL.EXE	100
PID 2836 wrote to memory of 1952	2836	EXCEL.EXE	101
PID 2836 wrote to memory of 1952	2836	EXCEL.EXE	101
PID 2836 wrote to memory of 4724	2836	EXCEL.EXE	102
PID 2836 wrote to memory of 4724	2836	EXCEL.EXE	102

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8787c0145dd3f55caf719d92b71057e3f061a47860510991563021812b47fc74.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:2836
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2364
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2864
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1952
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4724

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
2KB

MD5
cd3a9f3a2451a36af1b4226f25ea0894

SHA1
e438200a63eea4cd50617493e5d8aa72c31ef5ff

SHA256
a90a26bce5297b28f50e57d05ddec5164255154e1735d03649fd0b8655a5eb32

SHA512
8420bd5b16f4740c264951bbfee3b26a08703c42bfbe75708d8ecd196304c0d7150dec1bcace3ddf40a39bc886e6497f381ea4536d03b2b3b491f8d17261043a

Download Submit
memory/2836-10-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-15-0x00007FFACEAB0000-0x00007FFACEAC0000-memory.dmp

Filesize
64KB

Download
memory/2836-3-0x00007FFAD13B0000-0x00007FFAD13C0000-memory.dmp

Filesize
64KB

Download
memory/2836-4-0x00007FFAD13B0000-0x00007FFAD13C0000-memory.dmp

Filesize
64KB

Download
memory/2836-5-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-6-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-7-0x00007FFAD13B0000-0x00007FFAD13C0000-memory.dmp

Filesize
64KB

Download
memory/2836-12-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-13-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-16-0x00007FFACEAB0000-0x00007FFACEAC0000-memory.dmp

Filesize
64KB

Download
memory/2836-2-0x00007FFAD13B0000-0x00007FFAD13C0000-memory.dmp

Filesize
64KB

Download
memory/2836-14-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-0-0x00007FFAD13B0000-0x00007FFAD13C0000-memory.dmp

Filesize
64KB

Download
memory/2836-9-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-18-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-17-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-11-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-8-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-40-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-41-0x00007FFB113CD000-0x00007FFB113CE000-memory.dmp

Filesize
4KB

Download
memory/2836-42-0x00007FFB11330000-0x00007FFB11525000-memory.dmp

Filesize
2.0MB

Download
memory/2836-1-0x00007FFB113CD000-0x00007FFB113CE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads