7d730c7a39294b8d2e18047f0fb77418acd82b0a036495b48991692607456207

General

Target

7d730c7a39294b8d2e18047f0fb77418acd82b0a036495b48991692607456207.xls
Size

95KB
MD5

7a1a3cf5ccb7c2e15cbfb92a85ecae5f
SHA1

b1a17e354a906125632b16724e9d4391dfd64b59
SHA256

7d730c7a39294b8d2e18047f0fb77418acd82b0a036495b48991692607456207
SHA512

cc7664c9434593b06fcf0b470395b0e05df6ad3f04b26670c578a1ed4478781cfbf372ad9eab4a373e897c2cad3013c4f927ac7c3e2b290031311cb37185951a

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	3932	4716	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3448	4716	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5036	4716	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4924	4716	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

4716 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4716 EXCEL.EXE
4716 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4716 wrote to memory of 3932	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 3932	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 3448	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 3448	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 5036	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 5036	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 4924	4716	EXCEL.EXE	regsvr32.exe
PID 4716 wrote to memory of 4924	4716	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\7d730c7a39294b8d2e18047f0fb77418acd82b0a036495b48991692607456207.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:4716

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3932

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3448

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5036

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4924

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/3448-254-0x0000000000000000-mapping.dmp

Download
memory/3932-253-0x0000000000000000-mapping.dmp

Download
memory/4716-117-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-118-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-119-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-120-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4716-129-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/4716-130-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/4924-256-0x0000000000000000-mapping.dmp

Download
memory/5036-255-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads