96d1b4a05b39c755edf5557f1889dcfe7f0630f720aeac029a1e9692415d1fdc

General

Target

96d1b4a05b39c755edf5557f1889dcfe7f0630f720aeac029a1e9692415d1fdc.xls
Size

95KB
MD5

61da348c85cfe1ddd48ce662e6453491
SHA1

3163f6946656cdfd4e2f7c2307646d3396b66839
SHA256

96d1b4a05b39c755edf5557f1889dcfe7f0630f720aeac029a1e9692415d1fdc
SHA512

e28b6f114747a00c24b4f156bef5b65e009128dd5c7f6afe4e8a6894f778140703083c0bf1aead515307a58b62c232996619751833b3306381c8e4fda4636e5f

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4020	2888	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3920	2888	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1708	2888	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4836	2888	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

2888 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2888 EXCEL.EXE
2888 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE
2888	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2888 wrote to memory of 4020	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 4020	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 3920	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 3920	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 1708	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 1708	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 4836	2888	EXCEL.EXE	regsvr32.exe
PID 2888 wrote to memory of 4836	2888	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\96d1b4a05b39c755edf5557f1889dcfe7f0630f720aeac029a1e9692415d1fdc.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:2888

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4020

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3920

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1708

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1708-256-0x0000000000000000-mapping.dmp

Download
memory/2888-118-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2888-119-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2888-120-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2888-121-0x00007FF860FF0000-0x00007FF861000000-memory.dmp

Filesize
64KB

Download
memory/2888-130-0x00007FF85E330000-0x00007FF85E340000-memory.dmp

Filesize
64KB

Download
memory/2888-131-0x00007FF85E330000-0x00007FF85E340000-memory.dmp

Filesize
64KB

Download
memory/3920-255-0x0000000000000000-mapping.dmp

Download
memory/4020-254-0x0000000000000000-mapping.dmp

Download
memory/4836-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads