7bad4f30aa0c403c579cc3ee40e8041d6257cb311ff563857a3493945ae26806

General

Target

7bad4f30aa0c403c579cc3ee40e8041d6257cb311ff563857a3493945ae26806.xls
Size

95KB
MD5

1e5851419160df116322fb63e6cc6155
SHA1

05c3d243663161864e352856b67bef8f01a466b9
SHA256

7bad4f30aa0c403c579cc3ee40e8041d6257cb311ff563857a3493945ae26806
SHA512

29ce76c2488a076a102112d16f9c332911812e3651db28249c6bc63292f299ed7aff2592efe72750baad8c43e00bd8608cd46a31c62221b0df3e4ae87edaa13b

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	3756	3948	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3404	3948	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3216	3948	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4480	3948	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 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

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

3948 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3948 EXCEL.EXE
3948 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE
3948	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3948 wrote to memory of 3756	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3756	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3404	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3404	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3216	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 3216	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 4480	3948	EXCEL.EXE	regsvr32.exe
PID 3948 wrote to memory of 4480	3948	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\7bad4f30aa0c403c579cc3ee40e8041d6257cb311ff563857a3493945ae26806.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:3948

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3756

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3404

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3216

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4480

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

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Downloads

memory/3216-268-0x0000000000000000-mapping.dmp

Download
memory/3404-267-0x0000000000000000-mapping.dmp

Download
memory/3756-266-0x0000000000000000-mapping.dmp

Download
memory/3948-114-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-115-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-116-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-117-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/3948-126-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp

Filesize
64KB

Download
memory/3948-127-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp

Filesize
64KB

Download
memory/4480-269-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads