Malware Analysis Report

2024-10-19 06:56

Sample ID 240627-vffpgashkn
Target download.exe
SHA256 ad2c029407cebf926900436721a48f42afb91768b15c7d2e3e584cb766661bd2
Tags
rat newjop asyncrat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
10/10

SHA256

ad2c029407cebf926900436721a48f42afb91768b15c7d2e3e584cb766661bd2

Threat Level: Known bad

The file download.exe was found to be: Known bad.

Malicious Activity Summary

rat newjop asyncrat spyware stealer

Async RAT payload

Asyncrat family

AsyncRat

Reads user/profile data of web browsers

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 16:55

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 16:55

Reported

2024-06-27 16:58

Platform

win7-20240508-en

Max time kernel

118s

Max time network

149s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 backwork07.ddns.net udp
US 172.93.111.165:6666 backwork07.ddns.net tcp
US 172.93.111.165:6666 backwork07.ddns.net tcp
US 172.93.111.165:6666 backwork07.ddns.net tcp

Files

memory/1492-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

memory/1492-1-0x0000000000D00000-0x0000000000D16000-memory.dmp

memory/1492-2-0x0000000074E20000-0x000000007550E000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar3A3A.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/1492-40-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

memory/1492-41-0x0000000074E20000-0x000000007550E000-memory.dmp

memory/1492-42-0x00000000058F0000-0x000000000595C000-memory.dmp

memory/1492-63-0x00000000006F0000-0x00000000006FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 16:55

Reported

2024-06-27 16:58

Platform

win10v2004-20240611-en

Max time kernel

133s

Max time network

149s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 backwork07.ddns.net udp
US 172.93.111.165:6666 backwork07.ddns.net tcp
US 8.8.8.8:53 165.111.93.172.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 172.93.111.165:6666 backwork07.ddns.net tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/408-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

memory/408-1-0x0000000000CA0000-0x0000000000CB6000-memory.dmp

memory/408-2-0x00000000745F0000-0x0000000074DA0000-memory.dmp

memory/408-3-0x0000000005E70000-0x0000000006414000-memory.dmp

memory/408-4-0x0000000005AA0000-0x0000000005B32000-memory.dmp

memory/408-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp

memory/408-8-0x0000000006CA0000-0x0000000006D3C000-memory.dmp

memory/408-9-0x0000000006790000-0x00000000067F6000-memory.dmp

memory/408-10-0x00000000745FE000-0x00000000745FF000-memory.dmp

memory/408-11-0x00000000745F0000-0x0000000074DA0000-memory.dmp

memory/408-13-0x00000000076C0000-0x000000000772C000-memory.dmp

memory/408-12-0x0000000007740000-0x00000000077B6000-memory.dmp

memory/408-14-0x00000000077E0000-0x00000000077FE000-memory.dmp

memory/408-15-0x00000000078B0000-0x00000000078BA000-memory.dmp