Analysis
- max time kernel
131s - max time network
136s - platform
windows7_x64 - resource
win7 - submitted
01/07/2020, 08:43
Static task
static1
Behavioral task
behavioral1
Sample
745876976Order98867.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
745876976Order98867.exe
Resource
win10v200430
0 signatures
0 seconds
General
- Target 745876976Order98867.exe
- Size 658KB
- Sample200701-5314kafff6
- SHA256 fe3d080d4f87330a9c483bef058dccec56ec8926d4042b90f05e8640e49a0c31
- MD5 4d97d0e5c78b79da3bea11d445b29cf2
- SHA1 387b2794739426404b28555fb5c615784bc2ec32
- SHA512 737c6e4cc260d450c378785d4ad143199aca13f8a483a255b2c0df0671c1aa3916f61053af88fa096ed017727328e8f91de74ed5daa7aa184aef88e5b2025cfa
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
908070bl
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1440-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1440-5-0x0000000000446F9E-mapping.dmp family_agenttesla behavioral1/memory/1440-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1440-8-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla - Executes dropped EXE 1 IoCs
pid Process 1440 AddInProcess32.exe - Loads dropped DLL 1 IoCs
pid Process 1060 745876976Order98867.exe - 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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\rKDWQrM = "C:\\Users\\Admin\\AppData\\Roaming\\rKDWQrM\\rKDWQrM.exe" AddInProcess32.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1060 set thread context of 1440 1060 745876976Order98867.exe 24 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1060 745876976Order98867.exe 1060 745876976Order98867.exe 1060 745876976Order98867.exe 1440 AddInProcess32.exe 1440 AddInProcess32.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1060 745876976Order98867.exe Token: SeDebugPrivilege 1440 AddInProcess32.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1440 AddInProcess32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24 PID 1060 wrote to memory of 1440 1060 745876976Order98867.exe 24
Processes
-
C:\Users\Admin\AppData\Local\Temp\745876976Order98867.exe"C:\Users\Admin\AppData\Local\Temp\745876976Order98867.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1440
-