Analysis
- max time kernel
93s - max time network
98s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:03
Static task
static1
Behavioral task
behavioral1
Sample
DHL EXPRESS AWB doc.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DHL EXPRESS AWB doc.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target DHL EXPRESS AWB doc.exe
- Size 448KB
- Sample201109-njxt6zvmd6
- SHA256 2b715e7e0b8239ab65ad9680f3a2f5b582bd488dd2926b8b7dcd178bd3239049
- MD5 5baab1cd4890f1d159d126da7259327c
- SHA1 afe72dae1a7c898048c79410405c893d0f99aa99
- SHA512 8627e1c0a8def6bd498ecbab9130bfd41f25ec4de4e552510345ca1bd2d8b74f96949bdacd37cf7298d54e23c54bb609c0d88db5a6c683d3fe4196e37cdc6dc9
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
successful007
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
successful007
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3848-0-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/3848-1-0x000000000044CDFE-mapping.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\LKUgjc = "C:\\Users\\Admin\\AppData\\Roaming\\LKUgjc\\LKUgjc.exe" DHL EXPRESS AWB doc.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 828 set thread context of 3848 828 DHL EXPRESS AWB doc.exe 75 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 828 DHL EXPRESS AWB doc.exe 828 DHL EXPRESS AWB doc.exe 828 DHL EXPRESS AWB doc.exe 3848 DHL EXPRESS AWB doc.exe 3848 DHL EXPRESS AWB doc.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 828 DHL EXPRESS AWB doc.exe Token: SeDebugPrivilege 3848 DHL EXPRESS AWB doc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 828 wrote to memory of 3848 828 DHL EXPRESS AWB doc.exe 75 PID 3848 wrote to memory of 1696 3848 DHL EXPRESS AWB doc.exe 79 PID 3848 wrote to memory of 1696 3848 DHL EXPRESS AWB doc.exe 79 PID 3848 wrote to memory of 1696 3848 DHL EXPRESS AWB doc.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL EXPRESS AWB doc.exe"C:\Users\Admin\AppData\Local\Temp\DHL EXPRESS AWB doc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Users\Admin\AppData\Local\Temp\DHL EXPRESS AWB doc.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1696
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