01b30d7ff68dbe85e631cc49d3bcd751174dfba9227719af4ce1e02e9f5de4c9

General

Target

01b30d7ff68dbe85e631cc49d3bcd751174dfba9227719af4ce1e02e9f5de4c9.xls
Size

95KB
MD5

4358520c3930e94b2cc92805bfa34f73
SHA1

2a32f46db3e925009835952e734b55f54f838ac1
SHA256

01b30d7ff68dbe85e631cc49d3bcd751174dfba9227719af4ce1e02e9f5de4c9
SHA512

ac5ad07f4fbb338e317b502b9aa55e5615a1ec41796010568f71aace7af55ae4150c3bc58f302c20a6ffeec3e1560198944512cd078c38a984cde03f8551a5af

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	4168	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4304	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2716	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4672	2664	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

2664 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2664 EXCEL.EXE
2664 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2664 wrote to memory of 4168	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4168	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4304	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4304	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 2716	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 2716	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4672	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4672	2664	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\01b30d7ff68dbe85e631cc49d3bcd751174dfba9227719af4ce1e02e9f5de4c9.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:2664

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4168

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4304

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2716

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4672

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/2664-118-0x00007FF99D9F0000-0x00007FF99DA00000-memory.dmp

Filesize
64KB

Download
memory/2664-119-0x00007FF99D9F0000-0x00007FF99DA00000-memory.dmp

Filesize
64KB

Download
memory/2664-120-0x00007FF99D9F0000-0x00007FF99DA00000-memory.dmp

Filesize
64KB

Download
memory/2664-121-0x00007FF99D9F0000-0x00007FF99DA00000-memory.dmp

Filesize
64KB

Download
memory/2664-130-0x00007FF99AEA0000-0x00007FF99AEB0000-memory.dmp

Filesize
64KB

Download
memory/2664-131-0x00007FF99AEA0000-0x00007FF99AEB0000-memory.dmp

Filesize
64KB

Download
memory/2716-256-0x0000000000000000-mapping.dmp

Download
memory/4168-254-0x0000000000000000-mapping.dmp

Download
memory/4304-255-0x0000000000000000-mapping.dmp

Download
memory/4672-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads