Analysis
- max time kernel
115s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
07/03/2022, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
103b7c53953a8fbbdb553ff16e662a2b.exe
Resource
win7-20220223-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
103b7c53953a8fbbdb553ff16e662a2b.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target 103b7c53953a8fbbdb553ff16e662a2b.exe
- Size 51KB
- Sample220307-sdde8aaccj
- SHA256 6a8b85c6886faaf1c1e4294350d37d990e28c905867067b8d523558b64562f94
- MD5 103b7c53953a8fbbdb553ff16e662a2b
- SHA1 867a59782300339d73be4e65d588288a440d7751
- SHA512 07793307ae13806a619353c6a92368508b7a5f45f82ec8de12b6422e2c358c71f73b6681e5137e7aed821005f788d58485ed5225a8041c6665e95fca6af9788f
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
tromdx.sbs
-
Port
587
-
Username
-
Password
[email protected]}laCb63
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
resource yara_rule behavioral2/memory/2456-133-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Uixtjrctk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Jixyo\\Uixtjrctk.exe\"" 103b7c53953a8fbbdb553ff16e662a2b.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3712 set thread context of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 2456 MSBuild.exe 2456 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3712 103b7c53953a8fbbdb553ff16e662a2b.exe Token: SeDebugPrivilege 2456 MSBuild.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3712 wrote to memory of 1096 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 73 PID 3712 wrote to memory of 1096 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 73 PID 3712 wrote to memory of 1096 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 73 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74 PID 3712 wrote to memory of 2456 3712 103b7c53953a8fbbdb553ff16e662a2b.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\103b7c53953a8fbbdb553ff16e662a2b.exe"C:\Users\Admin\AppData\Local\Temp\103b7c53953a8fbbdb553ff16e662a2b.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵PID:1096
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-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456
-