7baa965589fd2a017410a36c5434aeb040142d911e07e13138798eed2d792c5b

General

Target

7baa965589fd2a017410a36c5434aeb040142d911e07e13138798eed2d792c5b.xls
Size

95KB
MD5

d0a733605efb2fc88e5febf16d45d275
SHA1

c1eb05e25d2af5dae49e9a86bbe5e70fb8fe4d36
SHA256

7baa965589fd2a017410a36c5434aeb040142d911e07e13138798eed2d792c5b
SHA512

e5021e87f59fa17fe42a43e306210d2357f882098ad907bebea58d75497065d9ef181e7893511a253cc04558271fafe01e91a838ad578a645c447337e5a57833

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	396	892	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	60	892	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1644	892	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3252	892	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

892 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

892 EXCEL.EXE
892 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 892 wrote to memory of 396	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 396	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 60	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 60	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 1644	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 1644	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 3252	892	EXCEL.EXE	regsvr32.exe
PID 892 wrote to memory of 3252	892	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\7baa965589fd2a017410a36c5434aeb040142d911e07e13138798eed2d792c5b.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:892

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:396

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:60

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1644

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3252

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/60-253-0x0000000000000000-mapping.dmp

Download
memory/396-252-0x0000000000000000-mapping.dmp

Download
memory/892-118-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/892-119-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/892-120-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/892-121-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/892-130-0x00007FFA5D8F0000-0x00007FFA5D900000-memory.dmp

Filesize
64KB

Download
memory/892-131-0x00007FFA5D8F0000-0x00007FFA5D900000-memory.dmp

Filesize
64KB

Download
memory/1644-254-0x0000000000000000-mapping.dmp

Download
memory/3252-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads