008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af

General

Target

008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af.xls
Size

95KB
MD5

d779b40878f3c2b94bea9add34ef28e0
SHA1

29200f73619c676514a8d500b1715d66887f8f38
SHA256

008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af
SHA512

9030e94af80a75de132e8ef6c1919ce577dcdcd6ce466718d89fc546d2a22ec90d71895086bdb6bb553f7ae6b1851bbb2f6f1f68cb31de6e66300e0b0f76410f

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	504	64	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3956	64	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3964	64	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	944	64	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

64 EXCEL.EXE
Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid process

64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE
64 EXCEL.EXE

pid	process
64	EXCEL.EXE

pid	process
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE
64	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 64 wrote to memory of 504	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 504	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 3956	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 3956	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 3964	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 3964	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 944	64	EXCEL.EXE	regsvr32.exe
PID 64 wrote to memory of 944	64	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\008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:504

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3956

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3964

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:944

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/64-117-0x00007FFC4E760000-0x00007FFC4E770000-memory.dmp

Filesize
64KB

Download
memory/64-118-0x00007FFC4E760000-0x00007FFC4E770000-memory.dmp

Filesize
64KB

Download
memory/64-119-0x00007FFC4E760000-0x00007FFC4E770000-memory.dmp

Filesize
64KB

Download
memory/64-120-0x00007FFC4E760000-0x00007FFC4E770000-memory.dmp

Filesize
64KB

Download
memory/64-129-0x00007FFC4AD80000-0x00007FFC4AD90000-memory.dmp

Filesize
64KB

Download
memory/64-130-0x00007FFC4AD80000-0x00007FFC4AD90000-memory.dmp

Filesize
64KB

Download
memory/504-265-0x0000000000000000-mapping.dmp

Download
memory/944-268-0x0000000000000000-mapping.dmp

Download
memory/3956-266-0x0000000000000000-mapping.dmp

Download
memory/3964-267-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads