132dd6d74de5e8d555418f81cbd3fd502bdecd322a4f535a41f24a3bbd373b5b

General

Target

132dd6d74de5e8d555418f81cbd3fd502bdecd322a4f535a41f24a3bbd373b5b.xls
Size

95KB
MD5

948333542a83b12944407d21b98e28ce
SHA1

524285b26a3f3066a4e30fdef01f485f34ac8ded
SHA256

132dd6d74de5e8d555418f81cbd3fd502bdecd322a4f535a41f24a3bbd373b5b
SHA512

3f4de82aa89ba3c92b460e9cc2fbd1b63dfadc3a362ac57c4b95673685b33d6658b9d53f67d6e519a2656eb2750ae9498884d4b37309a48d79efa331a81ccfde

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	2412	1276	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3844	1276	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3932	1276	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1624	1276	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

1276 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1276 EXCEL.EXE
1276 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1276 wrote to memory of 2412	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 2412	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 3844	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 3844	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 3932	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 3932	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 1624	1276	EXCEL.EXE	regsvr32.exe
PID 1276 wrote to memory of 1624	1276	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\132dd6d74de5e8d555418f81cbd3fd502bdecd322a4f535a41f24a3bbd373b5b.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:1276

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2412

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3844

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3932

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1624

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/1276-307-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-117-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-118-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-119-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-128-0x00007FFCDA930000-0x00007FFCDA940000-memory.dmp

Filesize
64KB

Download
memory/1276-129-0x00007FFCDA930000-0x00007FFCDA940000-memory.dmp

Filesize
64KB

Download
memory/1276-310-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-309-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-308-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1276-116-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp

Filesize
64KB

Download
memory/1624-271-0x0000000000000000-mapping.dmp

Download
memory/2412-266-0x0000000000000000-mapping.dmp

Download
memory/3844-267-0x0000000000000000-mapping.dmp

Download
memory/3932-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads