3ee5ecd36a6cc24248a9f2ff63c03801534a4f92d2632a58278893d167294446

General

Target

3ee5ecd36a6cc24248a9f2ff63c03801534a4f92d2632a58278893d167294446.xls
Size

95KB
MD5

87973163944ce89452887d8e997ff777
SHA1

31fd96b3f114e21705cdef3e48c5e2ae444883f7
SHA256

3ee5ecd36a6cc24248a9f2ff63c03801534a4f92d2632a58278893d167294446
SHA512

a5957c93b29721ea8816297d8ae1c51acc415c3fdfbe10d57683a471c6a5590d25ac5a8766f6d3312922a9bf4eddba9c6a838d03bfd2f35a3de7a8b0f71b76fe

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	1140	2180	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1536	2180	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	8	2180	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1428	2180	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

2180 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2180 wrote to memory of 1140	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 1140	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 1536	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 1536	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 8	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 8	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 1428	2180	EXCEL.EXE	regsvr32.exe
PID 2180 wrote to memory of 1428	2180	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\3ee5ecd36a6cc24248a9f2ff63c03801534a4f92d2632a58278893d167294446.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1140

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:1536

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:8

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1428

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/8-265-0x0000000000000000-mapping.dmp

Download
memory/1140-259-0x0000000000000000-mapping.dmp

Download
memory/1428-268-0x0000000000000000-mapping.dmp

Download
memory/1536-264-0x0000000000000000-mapping.dmp

Download
memory/2180-117-0x00007FFFA6240000-0x00007FFFA6250000-memory.dmp

Filesize
64KB

Download
memory/2180-118-0x00007FFFA6240000-0x00007FFFA6250000-memory.dmp

Filesize
64KB

Download
memory/2180-119-0x00007FFFA6240000-0x00007FFFA6250000-memory.dmp

Filesize
64KB

Download
memory/2180-120-0x00007FFFA6240000-0x00007FFFA6250000-memory.dmp

Filesize
64KB

Download
memory/2180-129-0x00007FFFA3590000-0x00007FFFA35A0000-memory.dmp

Filesize
64KB

Download
memory/2180-130-0x00007FFFA3590000-0x00007FFFA35A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads