Malware Analysis Report

2025-06-16 02:14

Sample ID 240121-v1xtgsffc4
Target 6d9b118979f1159246f3d37754ab0649
SHA256 996b38a634ab861ffe4a65ad2b3657b45ffdbf06c595a45ab1acd5115538aab6
Tags
asyncrat default rat
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

996b38a634ab861ffe4a65ad2b3657b45ffdbf06c595a45ab1acd5115538aab6

Threat Level: Known bad

The file 6d9b118979f1159246f3d37754ab0649 was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-21 17:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-21 17:27

Reported

2024-01-21 17:30

Platform

win7-20231129-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

rat
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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1704 set thread context of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1704 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 1704 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 1704 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 1704 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 1704 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

"C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RNveAQv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD20E.tmp"

C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

"C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 podzeye.duckdns.org udp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 8.8.8.8:53 podzeye.duckdns.org udp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp

Files

memory/1704-0-0x0000000000D40000-0x0000000000DF2000-memory.dmp

memory/1704-1-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/1704-2-0x0000000000D00000-0x0000000000D40000-memory.dmp

memory/1704-3-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1704-4-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/1704-5-0x0000000000D00000-0x0000000000D40000-memory.dmp

memory/1704-6-0x0000000004F60000-0x0000000004FE4000-memory.dmp

memory/1704-7-0x0000000000580000-0x0000000000594000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpD20E.tmp

MD5 7eafdde8e9c04fdb7131c7efb3486864
SHA1 21ad676658e0228ffe29a46db1f4740b3e70b296
SHA256 71f1ebb481418acb98265caccb37c936f2e71141d184e4ae09b76a7f3c171390
SHA512 b6cb5cb628ec8377c6060f82e04f2bb93237bf48ce64d5a5ff1e0a79befcf887c16f53537dd268addb32ceece576726cb2e60dd6066f551beb0d24d16fdc2e00

memory/2480-13-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-15-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-17-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-18-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2480-22-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-24-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-26-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2480-28-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/1704-27-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/2480-29-0x0000000000BD0000-0x0000000000C10000-memory.dmp

memory/2480-30-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/2480-31-0x0000000000BD0000-0x0000000000C10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-21 17:27

Reported

2024-01-21 17:30

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3464 set thread context of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3464 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 3464 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 3464 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Windows\SysWOW64\schtasks.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe
PID 3464 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

"C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RNveAQv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC30.tmp"

C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe

"C:\Users\Admin\AppData\Local\Temp\6d9b118979f1159246f3d37754ab0649.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 podzeye.duckdns.org udp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 8.8.8.8:53 188.178.17.96.in-addr.arpa udp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 8.8.8.8:53 podzeye.duckdns.org udp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4442 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4433 podzeye.duckdns.org tcp
US 192.169.69.26:4422 podzeye.duckdns.org tcp
US 8.8.8.8:53 106.246.116.51.in-addr.arpa udp
US 192.169.69.26:4442 tcp

Files

memory/3464-0-0x0000000000DF0000-0x0000000000EA2000-memory.dmp

memory/3464-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/3464-2-0x0000000005870000-0x000000000590C000-memory.dmp

memory/3464-3-0x0000000005F80000-0x0000000006524000-memory.dmp

memory/3464-4-0x00000000059D0000-0x0000000005A62000-memory.dmp

memory/3464-5-0x0000000005B90000-0x0000000005BA0000-memory.dmp

memory/3464-7-0x0000000005BA0000-0x0000000005BF6000-memory.dmp

memory/3464-6-0x0000000005940000-0x000000000594A000-memory.dmp

memory/3464-8-0x0000000005B80000-0x0000000005B92000-memory.dmp

memory/3464-9-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/3464-10-0x0000000005B90000-0x0000000005BA0000-memory.dmp

memory/3464-11-0x00000000074C0000-0x0000000007544000-memory.dmp

memory/3464-12-0x0000000009B10000-0x0000000009B24000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC30.tmp

MD5 643030caa32ee9b557b8c556bd8572b9
SHA1 185b8f8d55151681ac3f7ceda7e2ec7f2fda9e01
SHA256 2d8a362f55054650b80810cfeba688e377d60a24c5e2417fd591f7bfb73acebf
SHA512 8f436213fa2c46b0f84b03d117a323a3f12312d5749c70dff8531a76b907eb35425973d3ae5b8616f9ce98e5aa74fbda438202edbd4ea70f1ce92dbef0dccf6d

memory/2244-18-0x0000000000400000-0x0000000000412000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6d9b118979f1159246f3d37754ab0649.exe.log

MD5 17573558c4e714f606f997e5157afaac
SHA1 13e16e9415ceef429aaf124139671ebeca09ed23
SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512 f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

memory/2244-21-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/3464-22-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/2244-23-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

memory/2244-24-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/2244-25-0x0000000005AA0000-0x0000000005AB0000-memory.dmp