11daf4876ce7ff1745cd067e7c5e1aca272f3b699070ef4c74a72f2c3be4e3f0

General

Target

11daf4876ce7ff1745cd067e7c5e1aca272f3b699070ef4c74a72f2c3be4e3f0.xls
Size

95KB
MD5

095ea6039211de6b4b81f373deeb0c8b
SHA1

7bb67da48816909c2957b46e49a6600fa3356f46
SHA256

11daf4876ce7ff1745cd067e7c5e1aca272f3b699070ef4c74a72f2c3be4e3f0
SHA512

62836ebdb9589790a92f1ee3629c8b03ca2c6e83a6d31b0cd4e940022fc6f1e4e7e12952812b8bf9f9b67b04f2d43bd3650c41d398bb73b2fedc4b3406664261

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	4720	4312	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3584	4312	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3400	4312	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3364	4312	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4312 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4312 EXCEL.EXE
4312 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4312 wrote to memory of 4720	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 4720	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 3584	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 3584	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 3400	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 3400	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 3364	4312	EXCEL.EXE	regsvr32.exe
PID 4312 wrote to memory of 3364	4312	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\11daf4876ce7ff1745cd067e7c5e1aca272f3b699070ef4c74a72f2c3be4e3f0.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:4312

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4720

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3584

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3400

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3364

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/3364-256-0x0000000000000000-mapping.dmp

Download
memory/3400-253-0x0000000000000000-mapping.dmp

Download
memory/3584-252-0x0000000000000000-mapping.dmp

Download
memory/4312-117-0x00007FFCCD3A0000-0x00007FFCCD3B0000-memory.dmp

Filesize
64KB

Download
memory/4312-118-0x00007FFCCD3A0000-0x00007FFCCD3B0000-memory.dmp

Filesize
64KB

Download
memory/4312-119-0x00007FFCCD3A0000-0x00007FFCCD3B0000-memory.dmp

Filesize
64KB

Download
memory/4312-120-0x00007FFCCD3A0000-0x00007FFCCD3B0000-memory.dmp

Filesize
64KB

Download
memory/4312-129-0x00007FFCCA380000-0x00007FFCCA390000-memory.dmp

Filesize
64KB

Download
memory/4312-130-0x00007FFCCA380000-0x00007FFCCA390000-memory.dmp

Filesize
64KB

Download
memory/4720-251-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads