Analysis
- max time kernel
98s - max time network
19s - platform
windows7_x64 - resource
win7v20210408 - submitted
19/07/2021, 13:11
General
- Target REMITANCE 103_03435_210408_BSA.exe
- Size 686KB
- Sample210719-aparv2tl7e
- SHA256 7da903dc2abc47ad0b16a457e013a77e726fa5a984829ba9f226dc984e3a7361
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gilanis.co.ke
-
Port
587
-
Username
-
Password
Mullardodo@#
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 IoCs
- 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). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\REMITANCE 103_03435_210408_BSA.exe"C:\Users\Admin\AppData\Local\Temp\REMITANCE 103_03435_210408_BSA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BwUBvSJtzvj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14F7.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\REMITANCE 103_03435_210408_BSA.exe"C:\Users\Admin\AppData\Local\Temp\REMITANCE 103_03435_210408_BSA.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/684-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/684-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/684-71-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
memory/1612-59-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/1612-61-0x0000000002160000-0x0000000002161000-memory.dmp
memory/1612-62-0x00000000003D0000-0x00000000003EB000-memory.dmp
memory/1612-63-0x00000000056D0000-0x000000000574A000-memory.dmp
memory/1612-64-0x00000000005B0000-0x00000000005E9000-memory.dmp