Malware Analysis Report

2024-11-30 04:12

Sample ID 240408-bq33zace2y
Target 57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454
SHA256 57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454
Tags
agenttesla evasion keylogger spyware stealer trojan
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

57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454

Threat Level: Known bad

The file 57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454 was found to be: Known bad.

Malicious Activity Summary

agenttesla evasion keylogger spyware stealer trojan

Windows security bypass

AgentTesla

UAC bypass

Checks computer location settings

Windows security modification

Looks up external IP address via web service

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-08 01:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-08 01:21

Reported

2024-04-08 01:24

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe

"C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1652 -s 676

Network

N/A

Files

memory/1652-0-0x00000000000B0000-0x00000000000D6000-memory.dmp

memory/1652-1-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

memory/1652-2-0x000000001AE80000-0x000000001AF00000-memory.dmp

memory/1652-3-0x000000001B3F0000-0x000000001B498000-memory.dmp

memory/1652-4-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

memory/1652-5-0x000000001AE80000-0x000000001AF00000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-08 01:21

Reported

2024-04-08 01:24

Platform

win10v2004-20240226-en

Max time kernel

103s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe = "0" C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe = "0" C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A ip-api.com N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4296 set thread context of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4296 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4296 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 4296 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe

"C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\57b54ea24888c5b1f00e11ab3d233d39b1d916d39c44358de01b1e882a5fd454.exe" -Force

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 ftp.ercolina-usa.com udp
US 192.254.225.136:21 ftp.ercolina-usa.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 192.254.225.136:40220 ftp.ercolina-usa.com tcp
US 8.8.8.8:53 136.225.254.192.in-addr.arpa udp
US 192.254.225.136:38162 ftp.ercolina-usa.com tcp
US 192.254.225.136:44973 ftp.ercolina-usa.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4296-0-0x0000019A664A0000-0x0000019A664C6000-memory.dmp

memory/4296-1-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

memory/4296-2-0x0000019A68BA0000-0x0000019A68BB0000-memory.dmp

memory/4296-3-0x0000019A68220000-0x0000019A682C8000-memory.dmp

memory/2148-4-0x0000000000400000-0x0000000000454000-memory.dmp

memory/4656-12-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

memory/4656-11-0x000001EE3F6A0000-0x000001EE3F6C2000-memory.dmp

memory/4656-16-0x000001EE3F640000-0x000001EE3F650000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2hg3jieh.de5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4656-17-0x000001EE3F640000-0x000001EE3F650000-memory.dmp

memory/2148-18-0x00000000057A0000-0x0000000005D44000-memory.dmp

memory/2148-19-0x0000000074ED0000-0x0000000075680000-memory.dmp

memory/2148-20-0x0000000005310000-0x0000000005320000-memory.dmp

memory/2148-21-0x0000000005390000-0x00000000053F6000-memory.dmp

memory/4656-24-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

memory/4296-25-0x00007FFF76DC0000-0x00007FFF77881000-memory.dmp

memory/2148-26-0x00000000066C0000-0x0000000006710000-memory.dmp

memory/2148-27-0x00000000067B0000-0x0000000006842000-memory.dmp

memory/2148-28-0x0000000006760000-0x000000000676A000-memory.dmp

memory/2148-29-0x0000000074ED0000-0x0000000075680000-memory.dmp