Analysis
- max time kernel
125s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
06/11/2020, 11:11
Static task
static1
Behavioral task
behavioral1
Sample
8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe
- Size 840KB
- Sample201106-86khba5asa
- SHA256 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50
- MD5 45f3d9a7252960cbfea3c4563474ec5d
- SHA1 dda79a8dd50dae9452fd1d04d34db3ccc6106979
- SHA512 a667d99e102727c89acdad396cf6189ac70e8ffe18bcdc97ccc5f579f346323bda52fae042bdb5347d1830fd950b0d330658c60b59ee9042a098e9ac401cde50
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
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Protocol
ftp
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Host
seabirdsmsgroup.net
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Port
21
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Username
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Password
(5z-+XscT&KM
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 whatismyipaddress.com 21 whatismyipaddress.com - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1272 set thread context of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 3656 set thread context of 908 3656 RegAsm.exe 80 PID 3656 set thread context of 1132 3656 RegAsm.exe 81 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1132 vbc.exe 1132 vbc.exe 3656 RegAsm.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe Token: SeDebugPrivilege 3656 RegAsm.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 1272 wrote to memory of 3656 1272 8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe 78 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 908 3656 RegAsm.exe 80 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81 PID 3656 wrote to memory of 1132 3656 RegAsm.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe"C:\Users\Admin\AppData\Local\Temp\8b79bf9d1963d88c16b9dc7c23a8c4f01ee1da072cc3ad7e8a25f8bfd12faf50.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵PID:908
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1132
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