Analysis
- max time kernel
150s - max time network
151s - platform
windows7_x64 - resource
win7 - submitted
12/08/2020, 14:36
Static task
static1
Behavioral task
behavioral1
Sample
ORDER120820208899444.exe
Resource
win7
0 signatures
0 seconds
General
- Target ORDER120820208899444.exe
- Size 952KB
- Sample200812-srqr3jy8ds
- SHA256 79b1e929f10bf44515921941df55c5d98f5cf82b2be8727c2ebb4291e664de81
- MD5 a6c06a940cf0d58e61a5963514ea8b80
- SHA1 f1bae36207cb26c2208b51ec4401f9241d7e712a
- SHA512 1989a974d31c9ad1994346df6524aaab250820cffec9ca28cffe6648086aafed14b41026f7b9418283c888629f76c71aeff115a68dbd7a497f66f1860c8be0c3
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
webmail.tos-thailand.com
-
Port
587
-
Username
-
Password
P@ssw0rd
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1820 Windows Update.exe 1896 Windows Update.exe -
resource yara_rule behavioral1/memory/1068-0-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1068-0-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1068-2-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1068-2-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1068-3-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1068-3-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1896-23-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1896-23-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1896-24-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral1/memory/1896-24-0x0000000000400000-0x000000000051D000-memory.dmp upx - Deletes itself 1 IoCs
pid Process 1896 Windows Update.exe - Loads dropped DLL 8 IoCs
pid Process 1068 ORDER120820208899444.exe 1820 Windows Update.exe 1820 Windows Update.exe 1820 Windows Update.exe 1820 Windows Update.exe 1896 Windows Update.exe 1896 Windows Update.exe 1896 Windows Update.exe - 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
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1156 set thread context of 1068 1156 ORDER120820208899444.exe 24 PID 1820 set thread context of 1896 1820 Windows Update.exe 26 PID 1896 set thread context of 1548 1896 Windows Update.exe 28 PID 1896 set thread context of 2036 1896 Windows Update.exe 29 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1156 ORDER120820208899444.exe 1820 Windows Update.exe 1896 Windows Update.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1156 ORDER120820208899444.exe 1820 Windows Update.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1896 Windows Update.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1896 Windows Update.exe - Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 1156 wrote to memory of 1068 1156 ORDER120820208899444.exe 24 PID 1156 wrote to memory of 1068 1156 ORDER120820208899444.exe 24 PID 1156 wrote to memory of 1068 1156 ORDER120820208899444.exe 24 PID 1156 wrote to memory of 1068 1156 ORDER120820208899444.exe 24 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1068 wrote to memory of 1820 1068 ORDER120820208899444.exe 25 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1820 wrote to memory of 1896 1820 Windows Update.exe 26 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 1548 1896 Windows Update.exe 28 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29 PID 1896 wrote to memory of 2036 1896 Windows Update.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\ORDER120820208899444.exe"C:\Users\Admin\AppData\Local\Temp\ORDER120820208899444.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Users\Admin\AppData\Local\Temp\ORDER120820208899444.exe"C:\Users\Admin\AppData\Local\Temp\ORDER120820208899444.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Deletes itself
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896 -
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"5⤵PID:1548
-
-
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"5⤵PID:2036
-
-
-
-