351784f6c1e1c1dbece2ab0baeb676cb9f510d81d4c144c44726ee6247b3f24e

General

Target

351784f6c1e1c1dbece2ab0baeb676cb9f510d81d4c144c44726ee6247b3f24e.xls
Size

95KB
MD5

ccdb689354d1153c9b5b31f1c4f4e4df
SHA1

6d60da70a5f6b3b828a6e7e7757b01c54669fd7c
SHA256

351784f6c1e1c1dbece2ab0baeb676cb9f510d81d4c144c44726ee6247b3f24e
SHA512

5aedfa150e335b371f28745c10b0893556e79fae29324df51e676a061410f9b46f535a7da8deb5fe214e546c2954e60b00a3d0850633906108d8b04c36e21437

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	4512	4300	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3360	4300	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4964	4300	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4896	4300	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

4300 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4300 EXCEL.EXE
4300 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4300 wrote to memory of 4512	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 4512	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 3360	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 3360	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 4964	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 4964	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 4896	4300	EXCEL.EXE	regsvr32.exe
PID 4300 wrote to memory of 4896	4300	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\351784f6c1e1c1dbece2ab0baeb676cb9f510d81d4c144c44726ee6247b3f24e.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:4300

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4512

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3360

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4964

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4896

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/3360-265-0x0000000000000000-mapping.dmp

Download
memory/4300-114-0x00007FFC9F460000-0x00007FFC9F470000-memory.dmp

Filesize
64KB

Download
memory/4300-115-0x00007FFC9F460000-0x00007FFC9F470000-memory.dmp

Filesize
64KB

Download
memory/4300-116-0x00007FFC9F460000-0x00007FFC9F470000-memory.dmp

Filesize
64KB

Download
memory/4300-117-0x00007FFC9F460000-0x00007FFC9F470000-memory.dmp

Filesize
64KB

Download
memory/4300-126-0x00007FFC9C910000-0x00007FFC9C920000-memory.dmp

Filesize
64KB

Download
memory/4300-127-0x00007FFC9C910000-0x00007FFC9C920000-memory.dmp

Filesize
64KB

Download
memory/4512-264-0x0000000000000000-mapping.dmp

Download
memory/4896-269-0x0000000000000000-mapping.dmp

Download
memory/4964-266-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads