160886ddf1c2b719e5e297e3236e5fcd1644fb803ae8f3165515faee29fac90e

General

Target

160886ddf1c2b719e5e297e3236e5fcd1644fb803ae8f3165515faee29fac90e.xls
Size

95KB
MD5

4c97acdf76120fc00c14374885630df4
SHA1

975f1671c5f3eca5a397bbb226056b0bdc91c7fd
SHA256

160886ddf1c2b719e5e297e3236e5fcd1644fb803ae8f3165515faee29fac90e
SHA512

48e48d567010eb02c2c8fb4b8c486dc1b8fb852924bd7a2c45c0fcc60d43ec997729092570b3097219a98be4998b986edf2ad8b3866d619a8ececc9c2e691c1e

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

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	3080	708	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2656	708	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	360	708	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	352	708	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

708 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

708 EXCEL.EXE
708 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE
708	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 708 wrote to memory of 3080	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 3080	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 2656	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 2656	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 360	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 360	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 352	708	EXCEL.EXE	regsvr32.exe
PID 708 wrote to memory of 352	708	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\160886ddf1c2b719e5e297e3236e5fcd1644fb803ae8f3165515faee29fac90e.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:708

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3080

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2656

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:360

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:352

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/352-255-0x0000000000000000-mapping.dmp

Download
memory/360-252-0x0000000000000000-mapping.dmp

Download
memory/708-119-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-116-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-128-0x00007FFBB38D0000-0x00007FFBB38E0000-memory.dmp

Filesize
64KB

Download
memory/708-129-0x00007FFBB38D0000-0x00007FFBB38E0000-memory.dmp

Filesize
64KB

Download
memory/708-118-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-117-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-292-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-293-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-294-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/708-295-0x00007FFBB6C20000-0x00007FFBB6C30000-memory.dmp

Filesize
64KB

Download
memory/2656-251-0x0000000000000000-mapping.dmp

Download
memory/3080-250-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads