Analysis
-
max time kernel
117s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
15-05-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
MT_078410_00_032.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
MT_078410_00_032.exe
Resource
win10v2004-20240508-en
General
-
Target
MT_078410_00_032.exe
-
Size
2.4MB
-
MD5
765a94a7bedd69fb57e562b5c6537db9
-
SHA1
bd62eccc3009b043512aa2e6a1297875c613760e
-
SHA256
e623db7ce7f2a3ddd3e5b4571f75a4b20b4fd69d8680d19a4e6506730ee2c81d
-
SHA512
ea2fb18aeebd2038d9db10d75023ed747802ccd2bf20163cce4a89be26113f08a019c9e19088747bc182ca4317390bb2b50ff01cb6fd52361ff2c16219673f91
-
SSDEEP
49152:rd1ccJyl0yJDpXoYir/atre3KGthcMrXcdLobjrXGGS:rJO0G54+K3KGthVrEL3GS
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
d9GOyTceXsMT - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 34 IoCs
resource yara_rule behavioral1/memory/1680-2-0x0000000004D80000-0x0000000004FB0000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-3-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-6-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-4-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-10-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-18-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-26-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-46-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-44-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-42-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-40-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-38-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-36-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-34-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-32-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-30-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-28-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-24-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-22-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-20-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-16-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-14-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-12-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-8-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-52-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-66-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-64-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-62-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-60-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-58-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-56-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-54-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-50-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 behavioral1/memory/1680-48-0x0000000004D80000-0x0000000004FAB000-memory.dmp family_zgrat_v1 -
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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\kcsof = "C:\\Users\\Admin\\AppData\\Roaming\\kcsof.exe" MT_078410_00_032.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 api.ipify.org 3 api.ipify.org 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1680 set thread context of 3304 1680 MT_078410_00_032.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3304 MT_078410_00_032.exe 3304 MT_078410_00_032.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1680 MT_078410_00_032.exe Token: SeDebugPrivilege 1680 MT_078410_00_032.exe Token: SeDebugPrivilege 3304 MT_078410_00_032.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28 PID 1680 wrote to memory of 3304 1680 MT_078410_00_032.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\MT_078410_00_032.exe"C:\Users\Admin\AppData\Local\Temp\MT_078410_00_032.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Local\Temp\MT_078410_00_032.exe"C:\Users\Admin\AppData\Local\Temp\MT_078410_00_032.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
-