Analysis
- max time kernel
147s - max time network
110s - platform
windows10_x64 - resource
win10v20210410 - submitted
14/04/2021, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
Rq61Y5RcwlxFtxe.exe
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Rq61Y5RcwlxFtxe.exe
Resource
win10v20210410
0 signatures
0 seconds
General
- Target Rq61Y5RcwlxFtxe.exe
- Size 906KB
- Sample210414-m23vjlsx8a
- SHA256 e178c5e353b39f8ccccc29743235e6d4b665c8dca955ba30da70fdf275a9e30f
- MD5 c546c10fbb0d94b8c4c44a9c6b8aaf72
- SHA1 6e57868fc73f5db80d62e079f4d99d07edbc9eb7
- SHA512 01151918c74b965fb581b3001d86959dfe93f2792d6b992ff52d285adc4803140dc9c72b9de7c8cea586565511873feb1d878b4976cfb948568e22bc0074d888
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
premium124.web-hosting.com
-
Port
587
-
Username
-
Password
somtochukwu12345
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral2/memory/2140-126-0x000000000043760E-mapping.dmp family_agenttesla behavioral2/memory/2140-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2140-131-0x00000000056A0000-0x0000000005B9E000-memory.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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3944 set thread context of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3944 Rq61Y5RcwlxFtxe.exe 3944 Rq61Y5RcwlxFtxe.exe 3944 Rq61Y5RcwlxFtxe.exe 3944 Rq61Y5RcwlxFtxe.exe 2140 RegSvcs.exe 2140 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3944 Rq61Y5RcwlxFtxe.exe Token: SeDebugPrivilege 2140 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79 PID 3944 wrote to memory of 2140 3944 Rq61Y5RcwlxFtxe.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\Rq61Y5RcwlxFtxe.exe"C:\Users\Admin\AppData\Local\Temp\Rq61Y5RcwlxFtxe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140
-