50f5316c84df540350104b16bed310b39f26ea082114e95c47f042619ddebb40

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2023, 03:26

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General

Target

61e7a5bc6dda4cdf7d6c21edbabc61b22a616014d8648a8d43a83d03f5d75d61.xls
Size

73KB
MD5

d8f46c46975e458f2019c27e8406911c
SHA1

a88aa9a6b6ad91bd37d78d9341f49ad632b31ef0
SHA256

61e7a5bc6dda4cdf7d6c21edbabc61b22a616014d8648a8d43a83d03f5d75d61
SHA512

6332d7d8aa02ef6ac472de59d191d1a55788781fb5c665afa61ed77b6b37cc44c8fee2184b44428891ee37341e6e9aa285a97c24d05d78944519fec3cac610ba
SSDEEP

1536:DMXKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgxBAezwrMCtvJecvRtbM5v:KKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgX

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://baetrade.com/45s/WsT3CvPcb35cc/

xlm40.dropper

https://boleo.nl/assets/NMRA4nGe92AZv/

xlm40.dropper

http://mecaprog.com/menusystemmodel005/zI4Vdv894mr/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4548	2740	regsvr32.exe	80

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

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

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

pid	Process
2740	EXCEL.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE
2740	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 4548	2740	EXCEL.EXE	86
PID 2740 wrote to memory of 4548	2740	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\61e7a5bc6dda4cdf7d6c21edbabc61b22a616014d8648a8d43a83d03f5d75d61.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe ..\hvxda.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\hvxda.ocx

Filesize
7KB

MD5
e692bfce85017b956577c20c1a67d563

SHA1
8b3a4e41ced772ff8c865ad5e8be96a1a4531d89

SHA256
bc1e2ba624bb1fa7b5765e940afd0211f21394ba4de51edef8d1dc310376236c

SHA512
52ffcb4a2157a6ac6eeaaa4100a1077f1be442a1c1f495408e89a0df40d84d1c829237fc9fb988b5594c00b3519ba623db4d7af5b05a8f42dcba03b0191d6874

Download Submit
memory/2740-132-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/2740-133-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/2740-134-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/2740-135-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/2740-136-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/2740-137-0x00007FFA42FA0000-0x00007FFA42FB0000-memory.dmp

Filesize
64KB

Download
memory/2740-138-0x00007FFA42FA0000-0x00007FFA42FB0000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads