Analysis
- max time kernel
127s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - submitted
06/10/2021, 02:22
Static task
static1
Behavioral task
behavioral1
Sample
DOC0098765445678.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DOC0098765445678.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target DOC0098765445678.exe
- Size 1.0MB
- Sample211006-ctltjaadh3
- SHA256 92175cc1dc685f64ca942a01f6a39e7cf6e1248bf07bd8a63ff165b2dfd8da0b
- MD5 cff55a469b2eae7c5284f2c6b62fa4bd
- SHA1 184c6bca9a131e3ece0461c0e1840df3995630e3
- SHA512 0396114310f64b8e34790367728db9627cc665e87113bcea22dcf92ba79c09e44ab54f9ed90e4165fde9f7ee077e26d566000929ce58da5b67e3ab733f7dcbec
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.australianlocksmithsassociation.com.au
-
Port
587
-
Username
-
Password
cleveland2288
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3968-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3968-126-0x000000000043763E-mapping.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\hZYWq = "C:\\Users\\Admin\\AppData\\Roaming\\hZYWq\\hZYWq.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4060 set thread context of 3968 4060 DOC0098765445678.exe 68 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4060 DOC0098765445678.exe 3968 RegSvcs.exe 3968 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4060 DOC0098765445678.exe Token: SeDebugPrivilege 3968 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68 PID 4060 wrote to memory of 3968 4060 DOC0098765445678.exe 68
Processes
-
C:\Users\Admin\AppData\Local\Temp\DOC0098765445678.exe"C:\Users\Admin\AppData\Local\Temp\DOC0098765445678.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3968
-