752cbe052da065846a55d0d3a4bf0c80519ea1431e67a283722cd8e793a38d20

General

Target

752cbe052da065846a55d0d3a4bf0c80519ea1431e67a283722cd8e793a38d20.xls
Size

95KB
MD5

50b232ea90c38e855ee7c5d7924d828c
SHA1

4e945a7921bcfc4202265f8680f2a7460ea6a7d6
SHA256

752cbe052da065846a55d0d3a4bf0c80519ea1431e67a283722cd8e793a38d20
SHA512

5a6108fcc1710b73cbd6da95c6222b624f1cecf69405160974838136ecc834a7183fa1bef17b9e08bda658d03e18f8b609ef3806d8ea9176cce7b86f8b6689b5

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	2008	4380	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	984	4380	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3808	4380	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3204	4380	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 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

4380 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE
4380	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4380 wrote to memory of 2008	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 2008	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 984	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 984	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 3808	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 3808	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 3204	4380	EXCEL.EXE	regsvr32.exe
PID 4380 wrote to memory of 3204	4380	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\752cbe052da065846a55d0d3a4bf0c80519ea1431e67a283722cd8e793a38d20.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2008

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:984

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3808

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3204

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/984-271-0x0000000000000000-mapping.dmp

Download
memory/2008-270-0x0000000000000000-mapping.dmp

Download
memory/3204-275-0x0000000000000000-mapping.dmp

Download
memory/3808-272-0x0000000000000000-mapping.dmp

Download
memory/4380-114-0x00007FF8CE660000-0x00007FF8CE670000-memory.dmp

Filesize
64KB

Download
memory/4380-115-0x00007FF8CE660000-0x00007FF8CE670000-memory.dmp

Filesize
64KB

Download
memory/4380-116-0x00007FF8CE660000-0x00007FF8CE670000-memory.dmp

Filesize
64KB

Download
memory/4380-117-0x00007FF8CE660000-0x00007FF8CE670000-memory.dmp

Filesize
64KB

Download
memory/4380-126-0x00007FF8CB9C0000-0x00007FF8CB9D0000-memory.dmp

Filesize
64KB

Download
memory/4380-127-0x00007FF8CB9C0000-0x00007FF8CB9D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads