Analysis
- max time kernel
111s - max time network
117s - platform
windows7_x64 - resource
win7 - submitted
31/07/2020, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
FriKanya.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
FriKanya.exe
Resource
win10
0 signatures
0 seconds
General
- Target FriKanya.exe
- Size 742KB
- Sample200731-rlj1tnt19e
- SHA256 02261d11f15d4b62340ceed9b3ab2e1520ed3206ba85331be8a775426969ba1d
- MD5 9b65bdf577ccfeacc1abb78248f96fc4
- SHA1 0e2c6bf9dcbfdd7b32e0c8498256ba5f58da6099
- SHA512 215ff6170a2504c35dd7d81d5a66df0d561709e3ce2001371de58e77bfe3f2cc82b59cac3f917b9bbae603e4c3a9e808245b07cf978cd9ec7569ee46fbd8d8fc
- MD5 SHA1 SHA512
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1508-4-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1508-5-0x0000000000454FAE-mapping.dmp family_agenttesla behavioral1/memory/1508-7-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1508-8-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla - Executes dropped EXE 1 IoCs
pid Process 1508 AddInProcess32.exe - Loads dropped DLL 1 IoCs
pid Process 1044 FriKanya.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\MyKanyAasean = "C:\\Users\\Admin\\AppData\\Roaming\\MyKanyAasean\\MyKanyAasean.exe" AddInProcess32.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1044 set thread context of 1508 1044 FriKanya.exe 24 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1044 FriKanya.exe 1044 FriKanya.exe 1044 FriKanya.exe 1508 AddInProcess32.exe 1508 AddInProcess32.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1044 FriKanya.exe Token: SeDebugPrivilege 1508 AddInProcess32.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1508 AddInProcess32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24 PID 1044 wrote to memory of 1508 1044 FriKanya.exe 24
Processes
-
C:\Users\Admin\AppData\Local\Temp\FriKanya.exe"C:\Users\Admin\AppData\Local\Temp\FriKanya.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044 -
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:1508
-