Analysis
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max time kernel
93s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 07:06
Static task
static1
Behavioral task
behavioral1
Sample
Eschemyquote24573j33.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Eschemyquote24573j33.exe
Resource
win10v2004-20240802-en
General
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Target
Eschemyquote24573j33.exe
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Size
654KB
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MD5
bdd152d62cf8fa852e08c46505629663
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SHA1
b1a0fd6a26c5bf9ba02c12afcdc89eeb8528040e
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SHA256
a2cdc2f4fcad4c6b982674a1b3b86a0f7bcdb7c8f18c1183799d70777c726859
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SHA512
d269318e997d36a40d5b9dfff0a2f2a40beb99d4103b5cc233483af14987e3fd167829435e0f176bb1371f86e1ed9f1f3cdeef080338448f5265eac77cbf29d4
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SSDEEP
12288:HzX8bQbtnLi/iVh9VmQ3DC8SlQ851wNXmPygPao9xDmCjc:0IR8iVhHmQ3OtlVFPHj
Malware Config
Extracted
Protocol: smtp- Host:
mail.musabody.com - Port:
587 - Username:
[email protected] - Password:
MUSAbody_victoria2018
Extracted
agenttesla
Protocol: smtp- Host:
mail.musabody.com - Port:
587 - Username:
[email protected] - Password:
MUSAbody_victoria2018 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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 2772 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation Eschemyquote24573j33.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" Eschemyquote24573j33.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 800 set thread context of 2240 800 Eschemyquote24573j33.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 Eschemyquote24573j33.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Eschemyquote24573j33.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 800 Eschemyquote24573j33.exe 800 Eschemyquote24573j33.exe 2240 Eschemyquote24573j33.exe 2240 Eschemyquote24573j33.exe 2772 powershell.exe 2772 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 800 Eschemyquote24573j33.exe Token: SeDebugPrivilege 2240 Eschemyquote24573j33.exe Token: SeDebugPrivilege 2772 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2240 Eschemyquote24573j33.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 800 wrote to memory of 2772 800 Eschemyquote24573j33.exe 89 PID 800 wrote to memory of 2772 800 Eschemyquote24573j33.exe 89 PID 800 wrote to memory of 2772 800 Eschemyquote24573j33.exe 89 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91 PID 800 wrote to memory of 2240 800 Eschemyquote24573j33.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Eschemyquote24573j33.exe"C:\Users\Admin\AppData\Local\Temp\Eschemyquote24573j33.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:800 -
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\Eschemyquote24573j33.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772
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C:\Users\Admin\AppData\Local\Temp\Eschemyquote24573j33.exe"C:\Users\Admin\AppData\Local\Temp\Eschemyquote24573j33.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2240
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82