Analysis
- max time kernel
80s - max time network
115s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:25
Static task
static1
Behavioral task
behavioral1
Sample
0a2cb4e2898995c1e54579f6af302176.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
0a2cb4e2898995c1e54579f6af302176.exe
Resource
win10v20201028
General
- Target 0a2cb4e2898995c1e54579f6af302176.exe
- Size 881KB
- Sample201109-jedc7hl5ma
- SHA256 c5caffb818f7a64275b1188abf255ddbfb285fbf78378d77c4b2a29f2377bd33
- MD5 0a2cb4e2898995c1e54579f6af302176
- SHA1 13db37149ad20d3aad962e32b776b9c07766da0f
- SHA512 4164710319036415a6e35520ffe482cfed8b86117d9ca5d6760792bfd99dff9fe00484637942d1cd9057b59eef7dfd68375bceb791a68eb51e3b9cdc6652e022
- MD5 SHA1 SHA512
Malware Config
Extracted
-
C:\Users\Admin\AppData\Local\Temp\109933CE9F\Log.txt
-
masslogger
- ################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 11/10/2020 5:32:24 PM MassLogger Started: 11/10/2020 5:32:20 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\0a2cb4e2898995c1e54579f6af302176.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Extracted
-
Protocol
smtp
-
Host
mail.mytravelexplorer.com
-
Port
587
-
Username
-
Password
43K+H2..0_g^
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
resource yara_rule behavioral2/memory/4644-7-0x0000000009320000-0x00000000093D2000-memory.dmp rezer0 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation 0a2cb4e2898995c1e54579f6af302176.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 19 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4644 set thread context of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3936 schtasks.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1872 0a2cb4e2898995c1e54579f6af302176.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4644 0a2cb4e2898995c1e54579f6af302176.exe 1872 0a2cb4e2898995c1e54579f6af302176.exe 1872 0a2cb4e2898995c1e54579f6af302176.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4644 0a2cb4e2898995c1e54579f6af302176.exe Token: SeDebugPrivilege 1872 0a2cb4e2898995c1e54579f6af302176.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1872 0a2cb4e2898995c1e54579f6af302176.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4644 wrote to memory of 3936 4644 0a2cb4e2898995c1e54579f6af302176.exe 78 PID 4644 wrote to memory of 3936 4644 0a2cb4e2898995c1e54579f6af302176.exe 78 PID 4644 wrote to memory of 3936 4644 0a2cb4e2898995c1e54579f6af302176.exe 78 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80 PID 4644 wrote to memory of 1872 4644 0a2cb4e2898995c1e54579f6af302176.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\0a2cb4e2898995c1e54579f6af302176.exe"C:\Users\Admin\AppData\Local\Temp\0a2cb4e2898995c1e54579f6af302176.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GyQuklvk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF1B.tmp"2⤵
- Creates scheduled task(s)
PID:3936
-
-
C:\Users\Admin\AppData\Local\Temp\0a2cb4e2898995c1e54579f6af302176.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1872
-