065d4d6f5a37787743920e366a81ff7d7158e81e389e6a59f946bb4b7fb4e687

General

Target

065d4d6f5a37787743920e366a81ff7d7158e81e389e6a59f946bb4b7fb4e687.xls
Size

95KB
MD5

152ba51db58b3ccd790dae990655a5ca
SHA1

74c05319713cad1fa3469dcf735971b8323d7179
SHA256

065d4d6f5a37787743920e366a81ff7d7158e81e389e6a59f946bb4b7fb4e687
SHA512

829afbbe77316f3a3a1b031e818d62377f4b1c2a772b9694f2b2c69e9da12507efe7f4b944ae94ebdc1c49effdf28373c4db68a03b521582694d63daefea9211

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	2756	2656	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4720	2656	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4872	2656	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3972	2656	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\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

2656 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2656 wrote to memory of 2756	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 2756	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 4720	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 4720	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 4872	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 4872	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 3972	2656	EXCEL.EXE	regsvr32.exe
PID 2656 wrote to memory of 3972	2656	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\065d4d6f5a37787743920e366a81ff7d7158e81e389e6a59f946bb4b7fb4e687.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2756

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4720

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4872

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3972

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/2656-114-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2656-115-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2656-116-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2656-117-0x00007FF9EF230000-0x00007FF9EF240000-memory.dmp

Filesize
64KB

Download
memory/2656-126-0x00007FF9EB6C0000-0x00007FF9EB6D0000-memory.dmp

Filesize
64KB

Download
memory/2656-127-0x00007FF9EB6C0000-0x00007FF9EB6D0000-memory.dmp

Filesize
64KB

Download
memory/2756-260-0x0000000000000000-mapping.dmp

Download
memory/3972-265-0x0000000000000000-mapping.dmp

Download
memory/4720-261-0x0000000000000000-mapping.dmp

Download
memory/4872-262-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads