ed8e8ee6c0ff94381ee7f502c0f0910b16427f8dec387e4580a1fe6ca487cc38

General

Target

ed8e8ee6c0ff94381ee7f502c0f0910b16427f8dec387e4580a1fe6ca487cc38.xls
Size

95KB
MD5

714517fa610cf3be1cf08e203b0f0051
SHA1

e64069ce30adfcb049e5dc44922b781b9de181e8
SHA256

ed8e8ee6c0ff94381ee7f502c0f0910b16427f8dec387e4580a1fe6ca487cc38
SHA512

e3ae194cec2f65b228da80a01065346b77b62a59115175707acdb3e3535d8b24bb59ba2613195f69cbe77af364c3958f2844eda56200a5add07b8827339e115b

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	1748	1324	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3732	1324	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2652	1324	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1172	1324	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

1324 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1324 EXCEL.EXE
1324 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1324 wrote to memory of 1748	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 1748	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 3732	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 3732	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 2652	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 2652	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 1172	1324	EXCEL.EXE	regsvr32.exe
PID 1324 wrote to memory of 1172	1324	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\ed8e8ee6c0ff94381ee7f502c0f0910b16427f8dec387e4580a1fe6ca487cc38.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:1324

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1748

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3732

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2652

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1172

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/1172-271-0x0000000000000000-mapping.dmp

Download
memory/1324-119-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-118-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-116-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-128-0x00007FFDBDB80000-0x00007FFDBDB90000-memory.dmp

Filesize
64KB

Download
memory/1324-129-0x00007FFDBDB80000-0x00007FFDBDB90000-memory.dmp

Filesize
64KB

Download
memory/1324-117-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-310-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-311-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-312-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1324-313-0x00007FFDC1640000-0x00007FFDC1650000-memory.dmp

Filesize
64KB

Download
memory/1748-266-0x0000000000000000-mapping.dmp

Download
memory/2652-268-0x0000000000000000-mapping.dmp

Download
memory/3732-267-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads