dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491

Analysis

max time kernel
136s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
11-04-2022 03:12

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General

Target

?i=1otmyrihm.xlsm
Size

46KB
MD5

969869a41c8f52fc0853eaaba007be0f
SHA1

7d1c58a56647a9f3ede204d60fa0e6813d1ad8d1
SHA256

dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491
SHA512

c4a1a7ff06d4b59ed39640ca213bc1640907b304b613e47b9fe3561cd7caf6acb4f0c9a0fe19c9bb79b86dcbcae51bebec1831c732396cb1294b2860bd387c86

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/

xlm40.dropper

http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/

xlm40.dropper

https://txpcrescue.com/cgi-bin/5tSO8/

Signatures

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 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

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

pid	Process
4128	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.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\_i=1otmyrihm.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4128

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

memory/4128-124-0x00007FFAAEED0000-0x00007FFAAEEE0000-memory.dmp

Filesize
64KB

Download
memory/4128-125-0x00007FFAAEED0000-0x00007FFAAEEE0000-memory.dmp

Filesize
64KB

Download
memory/4128-126-0x00007FFAAEED0000-0x00007FFAAEEE0000-memory.dmp

Filesize
64KB

Download
memory/4128-127-0x00007FFAAEED0000-0x00007FFAAEEE0000-memory.dmp

Filesize
64KB

Download
memory/4128-128-0x00007FFAAEED0000-0x00007FFAAEEE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads