Analysis
- max time kernel
148s - max time network
150s - platform
windows10_x64 - resource
win10v200430 - submitted
09/07/2020, 04:22
Static task
static1
Behavioral task
behavioral1
Sample
origincripted.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
origincripted.exe
Resource
win10v200430
0 signatures
0 seconds
General
- Target origincripted.exe
- Size 506KB
- Sample200709-ph95wwsdpn
- SHA256 2f82dffb6984064e3a865298818c2081de389fced1e4d98b12f2da014a74fcb9
- MD5 6baf086ff9060abe74f2811b5b57383d
- SHA1 59d2057b920ca46326aa0f10b0437f49770a684b
- SHA512 c5d0a5efc21c08ecedc9832117ce4e5a8f65488723321845aa6087e3916db8968b8a7446abee6951ea2201528cd329d34c3c8a11d9ac16cd3c3e11b2d9833e0c
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.wolterfan.com
-
Port
587
-
Username
-
Password
@Mar123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/2236-3-0x0000000000400000-0x00000000004B0000-memory.dmp family_agenttesla behavioral2/memory/2236-4-0x0000000000A20000-0x0000000000A72000-memory.dmp family_agenttesla -
resource yara_rule behavioral2/memory/2236-0-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/2236-2-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/2236-3-0x0000000000400000-0x00000000004B0000-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-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\CFMBUF = "C:\\Users\\Admin\\AppData\\Roaming\\CFMBUF\\CFMBUF.exe" origincripted.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2564 set thread context of 2236 2564 origincripted.exe 66 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2564 origincripted.exe 2564 origincripted.exe 2236 origincripted.exe 2236 origincripted.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2564 origincripted.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2236 origincripted.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2564 wrote to memory of 2236 2564 origincripted.exe 66 PID 2564 wrote to memory of 2236 2564 origincripted.exe 66 PID 2564 wrote to memory of 2236 2564 origincripted.exe 66 PID 2236 wrote to memory of 3828 2236 origincripted.exe 74 PID 2236 wrote to memory of 3828 2236 origincripted.exe 74 PID 2236 wrote to memory of 3828 2236 origincripted.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\origincripted.exe"C:\Users\Admin\AppData\Local\Temp\origincripted.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Users\Admin\AppData\Local\Temp\origincripted.exe"C:\Users\Admin\AppData\Local\Temp\origincripted.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3828
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