Analysis
- max time kernel
65s - max time network
147s - platform
windows10_x64 - resource
win10 - submitted
10/08/2020, 18:30
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe
Resource
win7v200722
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe
Resource
win10
0 signatures
0 seconds
General
- Target SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe
- Size 360KB
- Sample200810-lhm5bmvd2s
- SHA256 19a8e4f9fb01ff4333c81f78bba61e42d516c860e8974e059be82f2bf9d5a641
- MD5 e839aaaf8548e0f5389c05b774c6a21b
- SHA1 e88b93cb1355bdff8fe22d2584cfefd1a0674cf8
- SHA512 e4146cdd1a06a1535fa87526de0e5422605fcbd8bf855a8e74528c673eada1868f9d3e7172a3b3b40ed8198e48ac484fe3d37e35ba272c216dc727cbace7294e
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.qatarpharmas.org
-
Port
587
-
Username
-
Password
@dX2#^%HWdg?fZ;g5n
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\5z5G8ei3oWjbbZ7T\\Z6mztwkzyBEg.exe\",explorer.exe" SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe -
resource yara_rule behavioral2/memory/3888-8-0x0000000007890000-0x00000000078E2000-memory.dmp agent_tesla behavioral2/memory/3888-8-0x0000000007890000-0x00000000078E2000-memory.dmp agent_tesla behavioral2/memory/3860-9-0x0000000000400000-0x0000000000458000-memory.dmp agent_tesla behavioral2/memory/3860-9-0x0000000000400000-0x0000000000458000-memory.dmp agent_tesla behavioral2/memory/3860-10-0x0000000000452C6E-mapping.dmp agent_tesla - 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3888 set thread context of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 3860 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 3860 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe Token: SeDebugPrivilege 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe Token: SeDebugPrivilege 3860 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3860 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67 PID 3888 wrote to memory of 3860 3888 SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe 67
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.3809.31399.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3860
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