Analysis
- max time kernel
137s - max time network
142s - platform
windows10_x64 - resource
win10 - submitted
24/06/2020, 13:14
Static task
static1
Behavioral task
behavioral1
Sample
PO.exe
Resource
win7
0 signatures
0 seconds
General
- Target PO.exe
- Size 445KB
- Sample200624-m7e391v5qa
- SHA256 4eabc90cd22f8508e0cdbb89f10c19a91634f174a57f64b6d988b7979f9fb77d
- MD5 6eca2fcece33872d828e4886ebad0c00
- SHA1 b815614cb083b345f9c3691b0c78cc6a14e53466
- SHA512 75df53803359b6a15b6f31181fe2c577cc11848a6b5254e42c6ca43e2ef2497f2baad2a87af1c5c672cc9e1349bf32b59632ed9262ea92e2cba08159399a6b7a
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.ships-boats.com
-
Port
587
-
Username
-
Password
accounts@ships
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.ships-boats.com
-
Port
587
-
Username
-
Password
accounts@ships
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3980-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/3980-1-0x000000000044708E-mapping.dmp family_agenttesla - Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion PO.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion PO.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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum PO.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 PO.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3876 set thread context of 3980 3876 PO.exe 68 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3980 PO.exe 3980 PO.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3980 PO.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68 PID 3876 wrote to memory of 3980 3876 PO.exe 68
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Users\Admin\AppData\Local\Temp\PO.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980
-