Analysis
- max time kernel
143s - max time network
133s - platform
windows10_x64 - resource
win10v20210410 - submitted
05/05/2021, 06:07
General
- Target SWIFT.5.4.2021.exe
- Size 763KB
- Sample210505-wfkkhj7yr2
- SHA256 8d6923c7b88feaea7b9df935e450e606a112643a1cf0abefcf3b836edfeae010
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.digicon.com.mx/
-
Port
21
-
Username
-
Password
FhY.c!Y0ziL5
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SWIFT.5.4.2021.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT.5.4.2021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lFYOXsamdKBfwu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC39F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SWIFT.5.4.2021.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT.5.4.2021.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/2116-119-0x0000000005070000-0x000000000507E000-memory.dmp
memory/2116-117-0x0000000005090000-0x0000000005091000-memory.dmp
memory/2116-114-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2116-120-0x0000000005990000-0x0000000005991000-memory.dmp
memory/2116-121-0x0000000004DD0000-0x0000000004E84000-memory.dmp
memory/2116-122-0x0000000005890000-0x000000000590A000-memory.dmp
memory/2116-116-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/2116-118-0x0000000005130000-0x0000000005131000-memory.dmp
memory/4008-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4008-132-0x0000000004F40000-0x0000000004F41000-memory.dmp
memory/4008-133-0x0000000004F90000-0x0000000004F91000-memory.dmp
memory/4008-134-0x0000000005C20000-0x0000000005C21000-memory.dmp