Analysis
- max time kernel
143s - max time network
45s - platform
windows7_x64 - resource
win7v20210410 - submitted
09/06/2021, 05:19
General
- Target BANK DETAILS.exe
- Size 832KB
- Sample210609-ts2fvpf7mn
- SHA256 faca737d4aa23d55f6d5e25ce2b47f8f5060b8b62aa472073de85c50a21347d2
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.framafilms.com
-
Port
587
-
Username
-
Password
lister11
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- 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\BANK DETAILS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\BANK DETAILS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/432-75-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
memory/432-71-0x0000000000400000-0x000000000043C000-memory.dmp
memory/432-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/592-74-0x0000000004972000-0x0000000004973000-memory.dmp
memory/592-93-0x00000000061B0000-0x00000000061B1000-memory.dmp
memory/592-66-0x0000000075A31000-0x0000000075A33000-memory.dmp
memory/592-67-0x0000000002380000-0x0000000002381000-memory.dmp
memory/592-68-0x00000000049B0000-0x00000000049B1000-memory.dmp
memory/592-110-0x0000000006310000-0x0000000006311000-memory.dmp
memory/592-109-0x0000000006300000-0x0000000006301000-memory.dmp
memory/592-95-0x000000007EF30000-0x000000007EF31000-memory.dmp
memory/592-94-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/592-73-0x0000000004970000-0x0000000004971000-memory.dmp
memory/592-76-0x0000000002710000-0x0000000002711000-memory.dmp
memory/592-77-0x0000000004950000-0x0000000004951000-memory.dmp
memory/592-80-0x0000000005610000-0x0000000005611000-memory.dmp
memory/592-85-0x00000000056B0000-0x00000000056B1000-memory.dmp
memory/592-86-0x0000000006230000-0x0000000006231000-memory.dmp
memory/1084-61-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
memory/1084-59-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1084-62-0x0000000000250000-0x000000000026E000-memory.dmp
memory/1084-63-0x0000000005250000-0x00000000052D9000-memory.dmp
memory/1084-64-0x0000000002180000-0x00000000021CD000-memory.dmp