Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2024, 13:59
Static task
static1
Behavioral task
behavioral1
Sample
57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe
Resource
win7-20240708-en
General
- Target 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe
- Size 844KB
- Sample241203-radfdaykds
- SHA256 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721
- MD5 378292f8dc166cbfca05bcfb35c0e530
- SHA1 0bfbbea512e1e9e7788685350825b0aba6eeca82
- SHA512 3f6016b48871330bdbeae8bba4a9d05628d4f9cefa1c3f9299d83f3fb4d80088a18aefbb7d2969ee3d3cb931b9074340c56c218905f10a158ead81593ff9631e
- SSDEEP 24576:6QIjDrVbCx3YNJdy7xoCFj22N51ZbwClNe8qvx+15cX8uf:aDlCyHkzFjTthDqkCX8E
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.apexrnun.com
-
Port
587
-
Username
-
Password
%qroUozO;(C2Rlyb
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 404 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 16 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2796 set thread context of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4992 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 4992 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 4992 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 4992 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 404 powershell.exe 404 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4992 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe Token: SeDebugPrivilege 404 powershell.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2796 wrote to memory of 404 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 92 PID 2796 wrote to memory of 404 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 92 PID 2796 wrote to memory of 404 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 92 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94 PID 2796 wrote to memory of 4992 2796 57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe"C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:404
-
-
C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe"C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qmz21fhs.ksq.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512