65ad5fd41301eadf098e3122768ce4692b5507b3f677270fb56d388359a9b856

General

Target

65ad5fd41301eadf098e3122768ce4692b5507b3f677270fb56d388359a9b856.xls
Size

95KB
MD5

7e29ea682ac33717e5b5f1b746ddbc75
SHA1

4009358f0cd7b98ab1233a6bdbfee41e0d2acb15
SHA256

65ad5fd41301eadf098e3122768ce4692b5507b3f677270fb56d388359a9b856
SHA512

ae68f04aa6b2453c08bd1747f8bf84f526a9a898b56913b0dfc2f0e693a72d7097b23ead073a8aca83853e6529f05e2317b872a0ce6a8d369f6c99b6ec758bab

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	2780	2628	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4948	2628	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4992	2628	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4892	2628	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

2628 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2628 wrote to memory of 2780	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 2780	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4948	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4948	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4992	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4992	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4892	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4892	2628	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\65ad5fd41301eadf098e3122768ce4692b5507b3f677270fb56d388359a9b856.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2780

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4948

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4992

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4892

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

Loading Replay Monitor...

Downloads

memory/2628-117-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-118-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-119-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-120-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-129-0x00007FFF9F980000-0x00007FFF9F990000-memory.dmp

Filesize
64KB

Download
memory/2628-130-0x00007FFF9F980000-0x00007FFF9F990000-memory.dmp

Filesize
64KB

Download
memory/2780-263-0x0000000000000000-mapping.dmp

Download
memory/4892-268-0x0000000000000000-mapping.dmp

Download
memory/4948-264-0x0000000000000000-mapping.dmp

Download
memory/4992-265-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads