9ac37fad7bc6a599ffcb58074c03bf18df001af0d726f258a7170d94a698e7b7

General

Target

9ac37fad7bc6a599ffcb58074c03bf18df001af0d726f258a7170d94a698e7b7.xls
Size

95KB
MD5

74e578bf43b6ae034ad2fe062c10d808
SHA1

fc241881f510be06d593174045767023ff63bdd2
SHA256

9ac37fad7bc6a599ffcb58074c03bf18df001af0d726f258a7170d94a698e7b7
SHA512

ae5fe83195ecfc2be4aa7b8ce797ed92d55ea241969432f000ba7d21453ba8eae86bcbdc2e529069b4ea40e4d51f1e56ebc0e36e9351bd699fdfffa1747241a2

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	2036	2968	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4576	2968	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4612	2968	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3380	2968	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

2968 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2968 EXCEL.EXE
2968 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2968 wrote to memory of 2036	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 2036	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 4576	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 4576	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 4612	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 4612	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 3380	2968	EXCEL.EXE	regsvr32.exe
PID 2968 wrote to memory of 3380	2968	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\9ac37fad7bc6a599ffcb58074c03bf18df001af0d726f258a7170d94a698e7b7.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:2968

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2036

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4576

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4612

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3380

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

Replay Monitor

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Downloads

memory/2036-253-0x0000000000000000-mapping.dmp

Download
memory/2968-117-0x00007FFB24EF0000-0x00007FFB24F00000-memory.dmp

Filesize
64KB

Download
memory/2968-118-0x00007FFB24EF0000-0x00007FFB24F00000-memory.dmp

Filesize
64KB

Download
memory/2968-119-0x00007FFB24EF0000-0x00007FFB24F00000-memory.dmp

Filesize
64KB

Download
memory/2968-120-0x00007FFB24EF0000-0x00007FFB24F00000-memory.dmp

Filesize
64KB

Download
memory/2968-129-0x00007FFB22160000-0x00007FFB22170000-memory.dmp

Filesize
64KB

Download
memory/2968-130-0x00007FFB22160000-0x00007FFB22170000-memory.dmp

Filesize
64KB

Download
memory/3380-256-0x0000000000000000-mapping.dmp

Download
memory/4576-254-0x0000000000000000-mapping.dmp

Download
memory/4612-255-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads