66676f6cb631e7ff6a516495a780afcf23189458176b5ec68addb9f1395289e6

Analysis

max time kernel
101s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2023 16:22

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General

Target

test.xlsm
Size

83KB
MD5

8fbf9860fb4875112772af77f004da67
SHA1

fd4b875e7c386e3321a623a3bf8e2d0c13d79d8a
SHA256

66676f6cb631e7ff6a516495a780afcf23189458176b5ec68addb9f1395289e6
SHA512

f7a5dfc21723b55440b8f4f310e954bb6d4088314838cb75e5f9c54dbb10d7f5f251aeb742717cde1d12ad922b9e9bb37e7145145e05bc53f1ef5c8c20e1c4f2
SSDEEP

1536:Xycd7LWsqxG/+CbEcWeu3XDXeoiHwt/uE1d7mT6SrPag3HtQVASgVU:ii32G/+CbE9H78wt2E1d7e6STa6Sx

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://zml.laneso.com/packet/AlvJ8OdtSYEeeCQP/

xlm40.dropper

http://ostadsarma.com/wp-admin/JNgASjNC/

xlm40.dropper

http://govtjobresultbd.xyz/sjjz/UIUhOHsLqjOy9/

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

1788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

EXCEL.EXE

pid process

1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
1788 EXCEL.EXE
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

pid	process
1788	EXCEL.EXE

pid	process
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	EXCEL.EXE
1788	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\test.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1788

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/1788-133-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-134-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-135-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-136-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-137-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-138-0x00007FFDC8620000-0x00007FFDC8630000-memory.dmp

Filesize
64KB

Download
memory/1788-139-0x00007FFDC8620000-0x00007FFDC8630000-memory.dmp

Filesize
64KB

Download
memory/1788-162-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-163-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-164-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download
memory/1788-165-0x00007FFDCA7F0000-0x00007FFDCA800000-memory.dmp

Filesize
64KB

Download