108f140d8ac71512d318860de6b101bc2169403777003e4ccffedd95df209264

General

Target

108f140d8ac71512d318860de6b101bc2169403777003e4ccffedd95df209264.xls
Size

95KB
MD5

6778dc60d39f7e1a1dd973f8c1b3a038
SHA1

dd50803339f847de5c18b19a9a203af79186252f
SHA256

108f140d8ac71512d318860de6b101bc2169403777003e4ccffedd95df209264
SHA512

78e677f4f5f1b82146928a91e1c0a19c42a51fc4ef1203d98bbf6e461eb9800295fe358c92b152e405826e534849da395743149974916aec8684e95d7040e3f3

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	3764	3916	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3164	3916	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	700	3916	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3276	3916	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3916 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3916 EXCEL.EXE
3916 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3916 wrote to memory of 3764	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 3764	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 3164	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 3164	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 700	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 700	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 3276	3916	EXCEL.EXE	regsvr32.exe
PID 3916 wrote to memory of 3276	3916	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\108f140d8ac71512d318860de6b101bc2169403777003e4ccffedd95df209264.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:3916

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3764

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3164

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:700

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3276

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/700-255-0x0000000000000000-mapping.dmp

Download
memory/3164-254-0x0000000000000000-mapping.dmp

Download
memory/3276-256-0x0000000000000000-mapping.dmp

Download
memory/3764-253-0x0000000000000000-mapping.dmp

Download
memory/3916-117-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3916-118-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3916-119-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3916-120-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

Filesize
64KB

Download
memory/3916-129-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmp

Filesize
64KB

Download
memory/3916-130-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads