0f66003ac304ffa032e846ad8f7349125b4efdc3260d6bd74771e688568463a3

General

Target

0f66003ac304ffa032e846ad8f7349125b4efdc3260d6bd74771e688568463a3.xls
Size

95KB
MD5

bd4b08eff8e72025566031778251ad8d
SHA1

759fb0b7c479f602267633125efb9dff5d5cbd2c
SHA256

0f66003ac304ffa032e846ad8f7349125b4efdc3260d6bd74771e688568463a3
SHA512

8c60482ca8094eeb490b5be1be051f13f0f948f3d6b8dc63bbbd3cf6a82e8db5050c819da33620908f3d8458192c78b9224c20364011efc85ea9afec2d35275b

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	496	4124	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4608	4124	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	588	4124	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1104	4124	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

4124 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4124 EXCEL.EXE
4124 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4124 wrote to memory of 496	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 496	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 4608	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 4608	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 588	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 588	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 1104	4124	EXCEL.EXE	regsvr32.exe
PID 4124 wrote to memory of 1104	4124	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\0f66003ac304ffa032e846ad8f7349125b4efdc3260d6bd74771e688568463a3.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:4124

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:496

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4608

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:588

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1104

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/496-272-0x0000000000000000-mapping.dmp

Download
memory/588-276-0x0000000000000000-mapping.dmp

Download
memory/1104-279-0x0000000000000000-mapping.dmp

Download
memory/4124-117-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4124-118-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4124-119-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4124-120-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/4124-129-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/4124-130-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/4608-273-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads