Analysis
- max time kernel
119s - max time network
113s - platform
windows10_x64 - resource
win10 - submitted
05/08/2020, 09:11
Static task
static1
Behavioral task
behavioral1
Sample
PO.exe
Resource
win7v200722
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO.exe
Resource
win10
0 signatures
0 seconds
General
- Target PO.exe
- Size 1.6MB
- Sample200805-qle3g96fls
- SHA256 fc1ca8b0fe8eab2d98c0f0e7ad37108f836fff77b50e393cf5dee61b7e4e6eb0
- MD5 e34037661a1608c722e5264797b2eecf
- SHA1 2c02034a6d91d9e2b21504a4bec82ec36d7bdd5d
- SHA512 4fec9aa1afe6a414a18998dd2bb867599330baef5fce02f553823f372b7d81a4006287daefc96a8fa197fe579989ec49d1c73c5034d1c48317e3f4d70e5d44df
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.indiaflanges.com
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Port
587
-
Username
-
Password
indflng&#%321
Signatures
- Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 792 wrote to memory of 2952 792 PO.exe 66 PID 792 wrote to memory of 2952 792 PO.exe 66 PID 792 wrote to memory of 2952 792 PO.exe 66 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 PID 792 wrote to memory of 4056 792 PO.exe 68 - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4056 PO.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4056 PO.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 checkip.dyndns.org - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.exe PO.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.exe PO.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 4056 PO.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2952 powershell.exe 2952 powershell.exe 2952 powershell.exe 4056 PO.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 792 set thread context of 4056 792 PO.exe 68 - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PO.exe\"" PO.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\PO.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PO.exe" PO.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"1⤵
- Suspicious use of WriteProcessMemory
- Drops startup file
- Suspicious use of SetThreadContext
- Modifies WinLogon for persistence
- Adds Run key to start application
PID:792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2952
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:4056
-