Analysis
- max time kernel
105s - max time network
113s - platform
windows10_x64 - resource
win10v200722 - submitted
31/08/2020, 12:15
Static task
static1
Behavioral task
behavioral1
Sample
ogga.exe
Resource
win7v200722
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ogga.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target ogga.exe
- Size 719KB
- Sample200831-ynb92qq5tn
- SHA256 0b984d3e8a150589d7f295c6009cd856e360e44f6fe5729e18e4759536a9bd0e
- MD5 dcafb38a9edb6e817bc192630a146760
- SHA1 81a9cc1e5a2071dbd3a1a89d575c4e9866df4e90
- SHA512 36cb19030efb3b44800cd4cebaf1dd6c4735c476c75f46ffd5d5b89cc0b4483465f4532501bc529ccc3cbb0d34f68efe516bf51e0a2f0fc4f4e4eb19345010b3
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
whyworry.,
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/780-12-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral2/memory/780-13-0x0000000000460F4E-mapping.dmp family_agenttesla - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1052 set thread context of 780 1052 ogga.exe 78 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2700 schtasks.exe - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1" svchost.exe Set value (data) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 51b3afde907fd601 svchost.exe Set value (int) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad svchost.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1052 ogga.exe 1052 ogga.exe 1052 ogga.exe 1052 ogga.exe 780 RegSvcs.exe 780 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3956 svchost.exe Token: SeCreatePagefilePrivilege 3956 svchost.exe Token: SeDebugPrivilege 1052 ogga.exe Token: SeDebugPrivilege 780 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 780 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1052 wrote to memory of 2700 1052 ogga.exe 76 PID 1052 wrote to memory of 2700 1052 ogga.exe 76 PID 1052 wrote to memory of 2700 1052 ogga.exe 76 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78 PID 1052 wrote to memory of 780 1052 ogga.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\ogga.exe"C:\Users\Admin\AppData\Local\Temp\ogga.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lwDZQrobzoY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp707E.tmp"2⤵
- Creates scheduled task(s)
PID:2700
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:780
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3956