Malware Analysis Report

2025-01-22 13:01

Sample ID 240626-e9nzyayarl
Target cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4
SHA256 cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4
Tags
vmprotect upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4

Threat Level: Shows suspicious behavior

The file cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect upx

VMProtect packed file

UPX packed file

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-26 04:38

Signatures

VMProtect packed file

vmprotect
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 04:38

Reported

2024-06-26 04:41

Platform

win7-20240611-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe"

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

VMProtect packed file

vmprotect
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\pm.dll C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe N/A
File created C:\Windows\SysWOW64\Mgr.dll C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe

"C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe"

Network

N/A

Files

memory/2468-0-0x0000000000960000-0x0000000000F4F000-memory.dmp

memory/2468-41-0x0000000000400000-0x0000000001961000-memory.dmp

memory/2468-40-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2468-38-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2468-36-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2468-35-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/2468-33-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/2468-31-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/2468-30-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/2468-28-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/2468-25-0x0000000000390000-0x0000000000391000-memory.dmp

memory/2468-23-0x0000000000390000-0x0000000000391000-memory.dmp

memory/2468-20-0x0000000000370000-0x0000000000371000-memory.dmp

memory/2468-18-0x0000000000370000-0x0000000000371000-memory.dmp

memory/2468-15-0x0000000000360000-0x0000000000361000-memory.dmp

memory/2468-13-0x0000000000360000-0x0000000000361000-memory.dmp

memory/2468-10-0x0000000000310000-0x0000000000311000-memory.dmp

memory/2468-8-0x0000000000310000-0x0000000000311000-memory.dmp

memory/2468-6-0x0000000000310000-0x0000000000311000-memory.dmp

memory/2468-5-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/2468-3-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/2468-1-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/2468-46-0x0000000000400000-0x0000000001961000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Æ÷¼þÖÆ×÷ÅäÖÃ.ini

MD5 4b5f45b5944e8b56ffdf1d9029cb3a83
SHA1 845d28e8e7c3a65fc10052c859dc5634e7498b6b
SHA256 fdf2b427628a39b3f5b52625511b8b631ae1b72bb96b3522920d6bd62239e6d9
SHA512 dae6a7ef61a4aa15181d7e503f7b215fc80c0109491de540054c1cce2e2330bd32a1ec3a8086d2faca190f73cd07871dbea5dca804f23093d047b3e20508ce89

C:\Users\Admin\AppData\Roaming\PMPCB\¿ì½ÝÏß¿í.ini

MD5 833e673fce5b946b0528554164b6145f
SHA1 31066a05224c969f1f0392254b5836316d5e96f3
SHA256 13a9cecf9070e9c7b2eba6e7837ab047fd9c4c64e933ae8b449b0df5880b20ee
SHA512 924b4eb458105ab7cd7824d2435d04b3123da30976f646a480bec1c3d7745f192dcbca03770cddb4190fbcf539e2ad718f3aa794209bc32d1abee0035c6e0bd1

memory/2468-48-0x0000000010000000-0x00000000100EC000-memory.dmp

memory/2468-47-0x0000000010000000-0x00000000100EC000-memory.dmp

memory/2468-44-0x0000000010000000-0x00000000100EC000-memory.dmp

memory/2468-104-0x0000000000400000-0x0000000001961000-memory.dmp

memory/2468-105-0x0000000000400000-0x0000000001961000-memory.dmp

memory/2468-106-0x0000000000960000-0x0000000000F4F000-memory.dmp

memory/2468-107-0x0000000000400000-0x0000000001961000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 04:38

Reported

2024-06-26 04:41

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe"

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

VMProtect packed file

vmprotect
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\pm.dll C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe N/A
File created C:\Windows\SysWOW64\Mgr.dll C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe

"C:\Users\Admin\AppData\Local\Temp\cbf51011106a0cb4334394e1ca67f19637f2fc3b90eb7382421e807e8a6567c4.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4212,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 27.242.123.52.in-addr.arpa udp

Files

memory/800-0-0x0000000000960000-0x0000000000F4F000-memory.dmp

memory/800-2-0x0000000001BD0000-0x0000000001BD1000-memory.dmp

memory/800-1-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

memory/800-8-0x0000000003740000-0x0000000003741000-memory.dmp

memory/800-7-0x0000000003730000-0x0000000003731000-memory.dmp

memory/800-6-0x0000000003720000-0x0000000003721000-memory.dmp

memory/800-5-0x0000000003710000-0x0000000003711000-memory.dmp

memory/800-4-0x0000000003700000-0x0000000003701000-memory.dmp

memory/800-3-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

memory/800-12-0x0000000000400000-0x0000000001961000-memory.dmp

memory/800-13-0x0000000000400000-0x0000000001961000-memory.dmp

memory/800-14-0x0000000010000000-0x00000000100EC000-memory.dmp

memory/800-17-0x0000000010000000-0x00000000100EC000-memory.dmp

memory/800-16-0x0000000010000000-0x00000000100EC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Æ÷¼þÖÆ×÷ÅäÖÃ.ini

MD5 4b5f45b5944e8b56ffdf1d9029cb3a83
SHA1 845d28e8e7c3a65fc10052c859dc5634e7498b6b
SHA256 fdf2b427628a39b3f5b52625511b8b631ae1b72bb96b3522920d6bd62239e6d9
SHA512 dae6a7ef61a4aa15181d7e503f7b215fc80c0109491de540054c1cce2e2330bd32a1ec3a8086d2faca190f73cd07871dbea5dca804f23093d047b3e20508ce89

C:\Users\Admin\AppData\Roaming\PMPCB\¿ì½ÝÏß¿í.ini

MD5 833e673fce5b946b0528554164b6145f
SHA1 31066a05224c969f1f0392254b5836316d5e96f3
SHA256 13a9cecf9070e9c7b2eba6e7837ab047fd9c4c64e933ae8b449b0df5880b20ee
SHA512 924b4eb458105ab7cd7824d2435d04b3123da30976f646a480bec1c3d7745f192dcbca03770cddb4190fbcf539e2ad718f3aa794209bc32d1abee0035c6e0bd1

memory/800-73-0x0000000000400000-0x0000000001961000-memory.dmp

memory/800-74-0x0000000000960000-0x0000000000F4F000-memory.dmp

memory/800-75-0x0000000000400000-0x0000000001961000-memory.dmp