Analysis
- max time kernel
136s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
21/03/2022, 12:12
Static task
static1
Behavioral task
behavioral1
Sample
MOD41SA10PSQ4W1.exe
Resource
win7-20220310-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
MOD41SA10PSQ4W1.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target MOD41SA10PSQ4W1.exe
- Size 70KB
- Sample220321-pc6tlacae6
- SHA256 c6045ce3162c17ebce174609ecbca8e5024a69edcc37c89bc60ff2e07cb52475
- MD5 24b28c056d5792d8058cdd28703cb97b
- SHA1 16d35977d42ea40a747d33bef9ca936ecf01a8cb
- SHA512 4ca87baec767123a597b632a53e0f1e9e28dcba2b94d79ce33f8b5f68ed684e698da41c814fddbd20ddb958980eb8044d75d88cae9afab4dc53d5d451adc6c02
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.ecotanksystems.in
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Port
587
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Username
-
Password
krishna@0612
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts MOD41SA10PSQ4W1.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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation MOD41SA10PSQ4W1.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MOD41SA10PSQ4W1.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MOD41SA10PSQ4W1.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MOD41SA10PSQ4W1.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2924 set thread context of 4300 2924 MOD41SA10PSQ4W1.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
pid Process 4896 timeout.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2924 MOD41SA10PSQ4W1.exe 2924 MOD41SA10PSQ4W1.exe 4300 MOD41SA10PSQ4W1.exe 4300 MOD41SA10PSQ4W1.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2924 MOD41SA10PSQ4W1.exe Token: SeDebugPrivilege 4300 MOD41SA10PSQ4W1.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2924 wrote to memory of 1488 2924 MOD41SA10PSQ4W1.exe 87 PID 2924 wrote to memory of 1488 2924 MOD41SA10PSQ4W1.exe 87 PID 2924 wrote to memory of 1488 2924 MOD41SA10PSQ4W1.exe 87 PID 1488 wrote to memory of 4896 1488 cmd.exe 89 PID 1488 wrote to memory of 4896 1488 cmd.exe 89 PID 1488 wrote to memory of 4896 1488 cmd.exe 89 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 PID 2924 wrote to memory of 4300 2924 MOD41SA10PSQ4W1.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MOD41SA10PSQ4W1.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MOD41SA10PSQ4W1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MOD41SA10PSQ4W1.exe"C:\Users\Admin\AppData\Local\Temp\MOD41SA10PSQ4W1.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 202⤵
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\SysWOW64\timeout.exetimeout 203⤵
- Delays execution with timeout.exe
PID:4896
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C:\Users\Admin\AppData\Local\Temp\MOD41SA10PSQ4W1.exeC:\Users\Admin\AppData\Local\Temp\MOD41SA10PSQ4W1.exe2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4300
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