Analysis
- max time kernel
103s - max time network
94s - platform
windows10_x64 - resource
win10 - submitted
10/08/2020, 18:30
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe
Resource
win10
0 signatures
0 seconds
General
- Target SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe
- Size 428KB
- Sample200810-2hc3artwls
- SHA256 897a1305d267937baedeaf75e35e386efbb9c5d7d66819aaecfd885e84196142
- MD5 a9a63a57eeb70b617d5b771ea0e8fb86
- SHA1 5cf9e0b3c79de19427ee5d57b23f9a6bb0c18180
- SHA512 8c8b910e8199c3635689f570a0aa64e8ba0bbcdfab4bc3f459ea9d967ebe38ff7e0b9b4d560fcf7150dbc7a2261751469348d4099b3c07d1be9be744078a1bab
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.qatarpharmas.org
-
Port
587
-
Username
-
Password
v~t-0~GGykudc@r&u*
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\\526hNTDdkpbQ52jR\\TSagiNOEug5t.exe\",explorer.exe" SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe -
resource yara_rule behavioral2/memory/3676-11-0x00000000078D0000-0x0000000007922000-memory.dmp agent_tesla behavioral2/memory/3676-11-0x00000000078D0000-0x0000000007922000-memory.dmp agent_tesla behavioral2/memory/3924-12-0x0000000000400000-0x0000000000458000-memory.dmp agent_tesla behavioral2/memory/3924-12-0x0000000000400000-0x0000000000458000-memory.dmp agent_tesla behavioral2/memory/3924-13-0x00000000004530DE-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 3676 set thread context of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 3924 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 3924 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe Token: SeDebugPrivilege 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe Token: SeDebugPrivilege 3924 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3924 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67 PID 3676 wrote to memory of 3924 3676 SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe 67
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3924
-