Analysis
- max time kernel
141s - max time network
121s - platform
windows10_x64 - resource
win10v20210408 - submitted
14/09/2021, 04:28
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target SOA.exe
- Size 493KB
- Sample210914-e3pynahghj
- SHA256 2fa2a26a2f9ed53878ae4af0c986555f4bd39e41b79058469fb2c5d637bf671d
- MD5 81722e362dbcabc8c10ec786ce454224
- SHA1 f7dc58d0346e007884d72e593cbb63b71b92e5db
- SHA512 3635f88c0db295a1839e78fb23156bc8a02b82914abd6bb123520ee12df289fcb4894a24707a9c19cdde32d472051a1528230ecade7b351abd67c58f082d9e6c
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.citechco.net
-
Port
587
-
Username
-
Password
Webana@321#
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral2/memory/900-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/900-126-0x000000000043764E-mapping.dmp family_agenttesla behavioral2/memory/900-131-0x0000000005190000-0x000000000568E000-memory.dmp family_agenttesla behavioral2/memory/900-136-0x0000000005190000-0x000000000568E000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1000 set thread context of 900 1000 SOA.exe 74 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1000 SOA.exe 1000 SOA.exe 900 RegSvcs.exe 900 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1000 SOA.exe Token: SeDebugPrivilege 900 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74 PID 1000 wrote to memory of 900 1000 SOA.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:900
-