Analysis
-
max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
01-12-2023 09:24
Static task
static1
Behavioral task
behavioral1
Sample
SAF-C161CS-LF-CA INFINEON2000 PCS.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
SAF-C161CS-LF-CA INFINEON2000 PCS.exe
Resource
win10v2004-20231127-en
General
-
Target
SAF-C161CS-LF-CA INFINEON2000 PCS.exe
-
Size
935KB
-
MD5
3b339aabaf3bfb3af9d0e0887e554835
-
SHA1
bb2d2846e92fd0a4c5e0a2040e74a3c7cfab8d02
-
SHA256
9a1a81688bf7f92903009cceb1e592668a04048deebb264dfb5fd6c7c6fdd650
-
SHA512
69a49929163d9c6c30630861ceb0e52fa145adfaf1deed43732298d14aabaf7c92ff46af5d14f0bd61a40677534afe63d1aa06599d91273c8846bd368e615871
-
SSDEEP
24576:SG+Cw0kXuGN5jQypH+jDhtscbfnbOdVSrKHm9SO:6Cw0QuGN5REhbfbmVPm
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SAF-C161CS-LF-CA INFINEON2000 PCS.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\TZCld = "C:\\Users\\Admin\\AppData\\Roaming\\TZCld\\TZCld.exe" SAF-C161CS-LF-CA INFINEON2000 PCS.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SAF-C161CS-LF-CA INFINEON2000 PCS.exedescription pid process target process PID 2872 set thread context of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exeSAF-C161CS-LF-CA INFINEON2000 PCS.exepid process 2636 powershell.exe 2728 SAF-C161CS-LF-CA INFINEON2000 PCS.exe 2728 SAF-C161CS-LF-CA INFINEON2000 PCS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeSAF-C161CS-LF-CA INFINEON2000 PCS.exedescription pid process Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 2728 SAF-C161CS-LF-CA INFINEON2000 PCS.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
SAF-C161CS-LF-CA INFINEON2000 PCS.exedescription pid process target process PID 2872 wrote to memory of 2636 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe powershell.exe PID 2872 wrote to memory of 2636 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe powershell.exe PID 2872 wrote to memory of 2636 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe powershell.exe PID 2872 wrote to memory of 2636 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe powershell.exe PID 2872 wrote to memory of 2716 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe schtasks.exe PID 2872 wrote to memory of 2716 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe schtasks.exe PID 2872 wrote to memory of 2716 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe schtasks.exe PID 2872 wrote to memory of 2716 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe schtasks.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe PID 2872 wrote to memory of 2728 2872 SAF-C161CS-LF-CA INFINEON2000 PCS.exe SAF-C161CS-LF-CA INFINEON2000 PCS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QAJeFu.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2636 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QAJeFu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B65.tmp"2⤵
- Creates scheduled task(s)
PID:2716 -
C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD56c0804a39431b1c38b07110555202b7f
SHA198d77fc21979931c9b7826e165d4ee38bbda0b7d
SHA256cabda95f7147e0590b4500f636c1d108ebdd00ff7aefe6c13de4568a4cf1659a
SHA51242440a01dde5d7a75ab6f241334623877196d3878f9ac61939bdb3f924f02270446b2fd7ff4f60a28ce5a4a7dc166a5aa3788acde7e071698ef6e58a6d93fd1f
-
Filesize
935KB
MD53b339aabaf3bfb3af9d0e0887e554835
SHA1bb2d2846e92fd0a4c5e0a2040e74a3c7cfab8d02
SHA2569a1a81688bf7f92903009cceb1e592668a04048deebb264dfb5fd6c7c6fdd650
SHA51269a49929163d9c6c30630861ceb0e52fa145adfaf1deed43732298d14aabaf7c92ff46af5d14f0bd61a40677534afe63d1aa06599d91273c8846bd368e615871