Analysis
- max time kernel
149s - max time network
140s - platform
windows10_x64 - resource
win10v200430 - submitted
13/07/2020, 06:55
Static task
static1
Behavioral task
behavioral1
Sample
OWewuLXgD9xZMH3.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
OWewuLXgD9xZMH3.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
- Target OWewuLXgD9xZMH3.exe
- Size 520KB
- Sample200713-5svsgf5jnx
- SHA256 f5a9d50fd4952841488946dbb42d9022dd2d27a2ff0dc8b6ff01e26a303c4d6f
- MD5 5a83382b7cccb625dd0d0d2c5a4ce567
- SHA1 6de62d0acecb88e3e15946590d9efef511f4edf8
- SHA512 ad53189a4a7d10a3623a9c66547955caa2721bcfa654a42f334477cef9960f65729891adca16d1fa34093e68e8597cf9dbe10b3eabf82dd7c8639a3e475f9074
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3920 OWewuLXgD9xZMH3.exe Token: SeDebugPrivilege 3020 systray.exe Token: SeShutdownPrivilege 3012 Explorer.EXE Token: SeCreatePagefilePrivilege 3012 Explorer.EXE Token: SeShutdownPrivilege 3012 Explorer.EXE Token: SeCreatePagefilePrivilege 3012 Explorer.EXE Token: SeShutdownPrivilege 3012 Explorer.EXE Token: SeCreatePagefilePrivilege 3012 Explorer.EXE Token: SeShutdownPrivilege 3012 Explorer.EXE Token: SeCreatePagefilePrivilege 3012 Explorer.EXE - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2648 schtasks.exe - Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Dmnkdjxcp\ebhkvrx8pbp.exe systray.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1300 wrote to memory of 2648 1300 OWewuLXgD9xZMH3.exe 72 PID 1300 wrote to memory of 2648 1300 OWewuLXgD9xZMH3.exe 72 PID 1300 wrote to memory of 2648 1300 OWewuLXgD9xZMH3.exe 72 PID 1300 wrote to memory of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 1300 wrote to memory of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 1300 wrote to memory of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 1300 wrote to memory of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 1300 wrote to memory of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 1300 wrote to memory of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 3012 wrote to memory of 3020 3012 Explorer.EXE 75 PID 3012 wrote to memory of 3020 3012 Explorer.EXE 75 PID 3012 wrote to memory of 3020 3012 Explorer.EXE 75 PID 3020 wrote to memory of 3960 3020 systray.exe 76 PID 3020 wrote to memory of 3960 3020 systray.exe 76 PID 3020 wrote to memory of 3960 3020 systray.exe 76 PID 3020 wrote to memory of 3196 3020 systray.exe 78 PID 3020 wrote to memory of 3196 3020 systray.exe 78 PID 3020 wrote to memory of 3196 3020 systray.exe 78 - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1300 set thread context of 3920 1300 OWewuLXgD9xZMH3.exe 74 PID 3920 set thread context of 3012 3920 OWewuLXgD9xZMH3.exe 56 PID 3020 set thread context of 3012 3020 systray.exe 56 - Suspicious behavior: EnumeratesProcesses 46 IoCs
pid Process 3920 OWewuLXgD9xZMH3.exe 3920 OWewuLXgD9xZMH3.exe 3920 OWewuLXgD9xZMH3.exe 3920 OWewuLXgD9xZMH3.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe 3020 systray.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3920 OWewuLXgD9xZMH3.exe 3920 OWewuLXgD9xZMH3.exe 3920 OWewuLXgD9xZMH3.exe 3020 systray.exe 3020 systray.exe -
description ioc Process Key created \Registry\User\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 systray.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run systray.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WXT4S0Q8NLY = "C:\\Program Files (x86)\\Dmnkdjxcp\\ebhkvrx8pbp.exe" systray.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\OWewuLXgD9xZMH3.exe"C:\Users\Admin\AppData\Local\Temp\OWewuLXgD9xZMH3.exe"2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1300 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WYCXOwUUC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp711F.tmp"3⤵
- Creates scheduled task(s)
PID:2648
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C:\Users\Admin\AppData\Local\Temp\OWewuLXgD9xZMH3.exe"{path}"3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3920
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C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Modifies Internet Explorer settings
- Adds Run entry to start application
PID:3020 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\OWewuLXgD9xZMH3.exe"3⤵PID:3960
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵PID:3196
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