5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796

General

Target

5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796.xls
Size

95KB
MD5

21dd9c799e9293711076fba4673cc60b
SHA1

a421b26d88be60d8c4063f9e00e595c02eb8ce6b
SHA256

5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796
SHA512

c2b79cfa17734fa770913818cf673e20cbd16998dc167ba795e8dd39de1420376d61ea038b68d906a292f051b044a9855d24992c27b62482cbbe4080fa3ad24f

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	2736	2708	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4980	2708	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4328	2708	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4996	2708	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

2708 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2708 EXCEL.EXE
2708 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE
2708	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2708 wrote to memory of 2736	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 2736	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 4980	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 4980	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 4328	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 4328	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 4996	2708	EXCEL.EXE	regsvr32.exe
PID 2708 wrote to memory of 4996	2708	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\5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796.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:2708

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2736

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4980

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4328

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4996

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/2708-118-0x00007FFE2CD70000-0x00007FFE2CD80000-memory.dmp

Filesize
64KB

Download
memory/2708-119-0x00007FFE2CD70000-0x00007FFE2CD80000-memory.dmp

Filesize
64KB

Download
memory/2708-120-0x00007FFE2CD70000-0x00007FFE2CD80000-memory.dmp

Filesize
64KB

Download
memory/2708-121-0x00007FFE2CD70000-0x00007FFE2CD80000-memory.dmp

Filesize
64KB

Download
memory/2708-130-0x00007FFE2A060000-0x00007FFE2A070000-memory.dmp

Filesize
64KB

Download
memory/2708-131-0x00007FFE2A060000-0x00007FFE2A070000-memory.dmp

Filesize
64KB

Download
memory/2736-254-0x0000000000000000-mapping.dmp

Download
memory/4328-256-0x0000000000000000-mapping.dmp

Download
memory/4980-255-0x0000000000000000-mapping.dmp

Download
memory/4996-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads