Analysis
- max time kernel
146s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
12/03/2024, 07:16
General
- Target Halkbank_Ekstre_2024 0017_164557_198850.pdf.exe
- Size 708KB
- Sample240312-h3thmadc65
- SHA256 1938cf3166e3504fed02fca89a1279ea08e4399539bd0a1f5b711711c65eccab
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.okn-makina.com
-
Port
587
-
Username
-
Password
SJdBGIZbOQ
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.okn-makina.com
-
Port
587
-
Username
-
Password
SJdBGIZbOQ
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2024 0017_164557_198850.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2024 0017_164557_198850.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\Halkbank_Ekstre_2024 0017_164557_198850.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2024 0017_164557_198850.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_2024 0017_164557_198850.pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_yta42pa0.t0g.ps1
memory/624-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/624-13-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/624-66-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/624-65-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/624-53-0x0000000006010000-0x0000000006060000-memory.dmp
memory/624-18-0x00000000051B0000-0x0000000005216000-memory.dmp
memory/624-19-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/816-17-0x00000000052C0000-0x00000000052F6000-memory.dmp
memory/816-55-0x0000000007C90000-0x0000000007C9A000-memory.dmp
memory/816-64-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/816-61-0x0000000007F40000-0x0000000007F48000-memory.dmp
memory/816-60-0x0000000007F60000-0x0000000007F7A000-memory.dmp
memory/816-59-0x0000000007E60000-0x0000000007E74000-memory.dmp
memory/816-34-0x0000000006930000-0x000000000697C000-memory.dmp
memory/816-16-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/816-33-0x00000000068F0000-0x000000000690E000-memory.dmp
memory/816-58-0x0000000007E50000-0x0000000007E5E000-memory.dmp
memory/816-57-0x0000000007E20000-0x0000000007E31000-memory.dmp
memory/816-20-0x0000000005930000-0x0000000005F58000-memory.dmp
memory/816-21-0x00000000057B0000-0x00000000057D2000-memory.dmp
memory/816-22-0x0000000006110000-0x0000000006176000-memory.dmp
memory/816-56-0x0000000007EA0000-0x0000000007F36000-memory.dmp
memory/816-54-0x0000000007C20000-0x0000000007C3A000-memory.dmp
memory/816-32-0x00000000062A0000-0x00000000065F4000-memory.dmp
memory/816-15-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/816-36-0x000000007F340000-0x000000007F350000-memory.dmp
memory/816-37-0x0000000006EC0000-0x0000000006EF2000-memory.dmp
memory/816-38-0x0000000070FC0000-0x000000007100C000-memory.dmp
memory/816-49-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/816-48-0x0000000006F00000-0x0000000006F1E000-memory.dmp
memory/816-50-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/816-51-0x0000000007AF0000-0x0000000007B93000-memory.dmp
memory/816-52-0x0000000008260000-0x00000000088DA000-memory.dmp
memory/4060-2-0x0000000005070000-0x0000000005614000-memory.dmp
memory/4060-5-0x0000000004A80000-0x0000000004A8A000-memory.dmp
memory/4060-9-0x0000000004B10000-0x0000000004B1E000-memory.dmp
memory/4060-0-0x00000000000C0000-0x0000000000174000-memory.dmp
memory/4060-6-0x0000000004D00000-0x0000000004D9C000-memory.dmp
memory/4060-7-0x0000000004AD0000-0x0000000004AEC000-memory.dmp
memory/4060-14-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/4060-8-0x0000000004B00000-0x0000000004B0C000-memory.dmp
memory/4060-1-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/4060-10-0x0000000004FB0000-0x0000000005032000-memory.dmp
memory/4060-4-0x0000000004C00000-0x0000000004C10000-memory.dmp
memory/4060-3-0x00000000049C0000-0x0000000004A52000-memory.dmp