Analysis
- max time kernel
62s - max time network
120s - platform
windows10_x64 - resource
win10v200722 - submitted
05/10/2020, 11:12
Static task
static1
Behavioral task
behavioral1
Sample
ce76e25ac5c9b3f431829b0c7e79f2f6.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ce76e25ac5c9b3f431829b0c7e79f2f6.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target ce76e25ac5c9b3f431829b0c7e79f2f6.exe
- Size 847KB
- Sample201005-ryf3sgflxn
- SHA256 4c2e0930bdf8d7e4f74a6b005ce1a1fdf1fe3a77ea4b1b88d7ec4ec4d9d9655e
- MD5 ce76e25ac5c9b3f431829b0c7e79f2f6
- SHA1 348da3c73bfb8a2ba95f79e3248f6f5d66344a30
- SHA512 cf3645f293a771f32dff94a7defb069d771ef29afca5c0779df539d06bf7f2c8c4157ac0f6deb3496ecf81d913ce1d03af624f80ec9bbb4425fb376ac264356f
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
bh-58.webhostbox.net
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
resource yara_rule behavioral2/memory/2548-4-0x0000000000400000-0x00000000004D8000-memory.dmp agent_tesla behavioral2/memory/2548-5-0x0000000002190000-0x00000000021F6000-memory.dmp agent_tesla -
resource yara_rule behavioral2/memory/2548-1-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral2/memory/2548-3-0x0000000000400000-0x00000000004D8000-memory.dmp upx behavioral2/memory/2548-4-0x0000000000400000-0x00000000004D8000-memory.dmp upx - 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-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\arinze = "C:\\Users\\Admin\\AppData\\Local\\Temp\\arinze\\arinze.exe" ce76e25ac5c9b3f431829b0c7e79f2f6.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3816 set thread context of 2548 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 72 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 2548 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 2548 ce76e25ac5c9b3f431829b0c7e79f2f6.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2548 ce76e25ac5c9b3f431829b0c7e79f2f6.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3816 wrote to memory of 2548 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 72 PID 3816 wrote to memory of 2548 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 72 PID 3816 wrote to memory of 2548 3816 ce76e25ac5c9b3f431829b0c7e79f2f6.exe 72
Processes
-
C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548
-