3f613195628ef4a0ffad100233e965c81c1d56b7c57b48fc59b2154e9ca1e0cc

General

Target

3f613195628ef4a0ffad100233e965c81c1d56b7c57b48fc59b2154e9ca1e0cc.xls
Size

95KB
MD5

bb83367e74e6f1ec5ebd52cc4b293fba
SHA1

0bf653a552555ae9160403c7f1a43aed13307c58
SHA256

3f613195628ef4a0ffad100233e965c81c1d56b7c57b48fc59b2154e9ca1e0cc
SHA512

ce87c39b314f116ee36fa2bba12b933eec7ece80f93b47eef6eb7f1c0df4a3113797353cba596a03b14391a234a3a12550c664bcdaa34f6798c414ebd965681f
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJmt:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgQ

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://fikti.bem.gunadarma.ac.id/SDM/YH8OJ1Zz8miBX/

xlm40.dropper

http://ebuysa.co.za/yt-assets/yZ30/

xlm40.dropper

http://3dstudioa.com.br/files/1ubPAB/

xlm40.dropper

http://boardmart.co.za/images/DvMHPbTLn/

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	1532	5088	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4808	5088	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1728	5088	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2292	5088	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
5088	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5088	EXCEL.EXE
5088	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE
5088	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 1532	5088	EXCEL.EXE	90
PID 5088 wrote to memory of 1532	5088	EXCEL.EXE	90
PID 5088 wrote to memory of 4808	5088	EXCEL.EXE	92
PID 5088 wrote to memory of 4808	5088	EXCEL.EXE	92
PID 5088 wrote to memory of 1728	5088	EXCEL.EXE	95
PID 5088 wrote to memory of 1728	5088	EXCEL.EXE	95
PID 5088 wrote to memory of 2292	5088	EXCEL.EXE	96
PID 5088 wrote to memory of 2292	5088	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3f613195628ef4a0ffad100233e965c81c1d56b7c57b48fc59b2154e9ca1e0cc.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:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1532
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4808
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1728
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2292

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

memory/5088-0-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/5088-1-0x00007FFB9F34D000-0x00007FFB9F34E000-memory.dmp

Filesize
4KB

Download
memory/5088-3-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/5088-2-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/5088-5-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-6-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-4-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/5088-7-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/5088-9-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-8-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-10-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-11-0x00007FFB5CB80000-0x00007FFB5CB90000-memory.dmp

Filesize
64KB

Download
memory/5088-12-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-13-0x00007FFB5CB80000-0x00007FFB5CB90000-memory.dmp

Filesize
64KB

Download
memory/5088-34-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-38-0x00007FFB9F34D000-0x00007FFB9F34E000-memory.dmp

Filesize
4KB

Download
memory/5088-39-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-40-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads