0d30bb4fe1229bd869e82fa944e6efde76be9ee931c56159cfa40f2d4f0c0e02

General

Target

0d30bb4fe1229bd869e82fa944e6efde76be9ee931c56159cfa40f2d4f0c0e02.xls
Size

95KB
MD5

f46286adaa8e7a932621e3d8e11b50c9
SHA1

bfe4016596af4abbf71eeaf958dd5dac069450c0
SHA256

0d30bb4fe1229bd869e82fa944e6efde76be9ee931c56159cfa40f2d4f0c0e02
SHA512

6e924223fc02bf634d1544e24a521cf6fc71fd91c755286e0c46c09aeead2564ec820e1d4c30638a49f3730a6fd6741420d77d4760fe76981690df246d7cc64c

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	5004	4408	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5008	4408	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4940	4408	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3276	4408	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

4408 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4408 EXCEL.EXE
4408 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE
4408	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4408 wrote to memory of 5004	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 5004	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 5008	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 5008	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 4940	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 4940	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 3276	4408	EXCEL.EXE	regsvr32.exe
PID 4408 wrote to memory of 3276	4408	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\0d30bb4fe1229bd869e82fa944e6efde76be9ee931c56159cfa40f2d4f0c0e02.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:4408

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:5004

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5008

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4940

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

Replay Monitor

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Downloads

memory/3276-272-0x0000000000000000-mapping.dmp

Download
memory/4408-117-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmp

Filesize
64KB

Download
memory/4408-118-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmp

Filesize
64KB

Download
memory/4408-119-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmp

Filesize
64KB

Download
memory/4408-120-0x00007FFCF6A10000-0x00007FFCF6A20000-memory.dmp

Filesize
64KB

Download
memory/4408-129-0x00007FFCF3EC0000-0x00007FFCF3ED0000-memory.dmp

Filesize
64KB

Download
memory/4408-130-0x00007FFCF3EC0000-0x00007FFCF3ED0000-memory.dmp

Filesize
64KB

Download
memory/4940-269-0x0000000000000000-mapping.dmp

Download
memory/5004-267-0x0000000000000000-mapping.dmp

Download
memory/5008-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads