Analysis
- max time kernel
50s - max time network
121s - platform
windows10_x64 - resource
win10v20210408 - submitted
19/06/2021, 14:07
General
- Target #CI-PL +HBL MBL.exe
- Size 1.6MB
- Sample210619-lp7rpdpf4e
- SHA256 67a6cfdfbba1f1a044490fdb25c1ccd480dc0256ec757dc879babd9772ea685d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.tejoofashions.com
-
Port
587
-
Username
-
Password
OmiCron#2019
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\#CI-PL +HBL MBL.exe"C:\Users\Admin\AppData\Local\Temp\#CI-PL +HBL MBL.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rTQuEeTbycqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF16.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"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/776-123-0x0000000005D20000-0x0000000005D8F000-memory.dmp
memory/776-117-0x0000000007050000-0x0000000007051000-memory.dmp
memory/776-119-0x0000000007100000-0x0000000007101000-memory.dmp
memory/776-120-0x00000000070F0000-0x00000000070F2000-memory.dmp
memory/776-121-0x0000000007370000-0x0000000007371000-memory.dmp
memory/776-122-0x0000000007F30000-0x0000000007FDD000-memory.dmp
memory/776-114-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/776-118-0x0000000006F70000-0x000000000746E000-memory.dmp
memory/776-116-0x0000000007470000-0x0000000007471000-memory.dmp
memory/3960-126-0x0000000000400000-0x0000000000466000-memory.dmp
memory/3960-132-0x0000000005130000-0x0000000005131000-memory.dmp
memory/3960-133-0x0000000005200000-0x0000000005201000-memory.dmp
memory/3960-134-0x0000000005850000-0x0000000005851000-memory.dmp
memory/3960-137-0x0000000005131000-0x0000000005132000-memory.dmp