Analysis
- max time kernel
119s - max time network
120s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system - submitted
07/10/2024, 08:27
Static task
static1
Behavioral task
behavioral1
Sample
Cevre10.24Enstrümantasyon.xlsx.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Cevre10.24Enstrümantasyon.xlsx.exe
Resource
win10v2004-20240802-en
General
- Target Cevre10.24Enstrümantasyon.xlsx.exe
- Size 635KB
- Sample241007-kceynazbra
- SHA256 bd6f2b6c65e5e3b5385eefbb2cb768e4f145106885dff956cf56815134550df9
- MD5 3f1e7c218e389d146a7e07daf48730ac
- SHA1 140793cc9721aae620cfa86773ef66adec446ff7
- SHA512 151b87e0b18372fac05343c1a18a885d5473347dd09c4499b8478739ead74bb218990d5b0e9d5147da6a9891ec21ad5ffdec2f39707a9e20542c94139e2a5457
- SSDEEP 12288:1f09Zi1C/T1CsckFRYff1TVxHeeaBkqqJTpqZp20wB14xj:1FLckff1TjHeeaB+gp20wB14
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.musabody.com
-
Port
587
-
Username
-
Password
MUSAbody_victoria2018
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 932 powershell.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.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" Cevre10.24Enstrümantasyon.xlsx.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2568 set thread context of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 - 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 Cevre10.24Enstrümantasyon.xlsx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Cevre10.24Enstrümantasyon.xlsx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2568 Cevre10.24Enstrümantasyon.xlsx.exe 2568 Cevre10.24Enstrümantasyon.xlsx.exe 2444 Cevre10.24Enstrümantasyon.xlsx.exe 2444 Cevre10.24Enstrümantasyon.xlsx.exe 932 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2568 Cevre10.24Enstrümantasyon.xlsx.exe Token: SeDebugPrivilege 2444 Cevre10.24Enstrümantasyon.xlsx.exe Token: SeDebugPrivilege 932 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2444 Cevre10.24Enstrümantasyon.xlsx.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2568 wrote to memory of 932 2568 Cevre10.24Enstrümantasyon.xlsx.exe 31 PID 2568 wrote to memory of 932 2568 Cevre10.24Enstrümantasyon.xlsx.exe 31 PID 2568 wrote to memory of 932 2568 Cevre10.24Enstrümantasyon.xlsx.exe 31 PID 2568 wrote to memory of 932 2568 Cevre10.24Enstrümantasyon.xlsx.exe 31 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32 PID 2568 wrote to memory of 2444 2568 Cevre10.24Enstrümantasyon.xlsx.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\Cevre10.24Enstrümantasyon.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Cevre10.24Enstrümantasyon.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2568 -
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\Cevre10.24Enstrümantasyon.xlsx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932
-
-
C:\Users\Admin\AppData\Local\Temp\Cevre10.24Enstrümantasyon.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Cevre10.24Enstrümantasyon.xlsx.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:2444
-
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
2