f456708f5e4520028859ed8d6dee1c0ebbbf62de407ed954d5f21dfd21f28347

Analysis

max time kernel
127s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
28-03-2022 23:02

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General

Target

f456708f5e4520028859ed8d6dee1c0ebbbf62de407ed954d5f21dfd21f28347.xlsb
Size

357KB
MD5

030f8d5e06c4575493730e25a38e1e5c
SHA1

d93296d64b634cd9dbb4ed8f6fa077652c21e1aa
SHA256

f456708f5e4520028859ed8d6dee1c0ebbbf62de407ed954d5f21dfd21f28347
SHA512

deb4828dbaec50baf817ef5f9d97bdffa874b32d2def843138cbe1442c682f732f8c2cd16940d0d6f701272de575b383e435d1db15ec0be9128a6735c3cdcc9e

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://1.93kish.ir/ds/161120.gif

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

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 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

1184 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	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\f456708f5e4520028859ed8d6dee1c0ebbbf62de407ed954d5f21dfd21f28347.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1184

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1184-130-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-131-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-132-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-133-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-134-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-135-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-136-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-137-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download
memory/1184-138-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

Filesize
64KB

Download