Analysis
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max time kernel
127s -
max time network
130s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03/12/2020, 08:08
Static task
static1
Behavioral task
behavioral1
Sample
vessel details.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
vessel details.exe
Resource
win10v20201028
General
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Target
vessel details.exe
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Size
789KB
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MD5
5d6a6b01f67747c89c39dbb8b518b506
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SHA1
c2e75814f6f08d5edee2b3776131ddb1cb42d78b
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SHA256
72072c06a5fe2aa1ebf6d2d0b8882c1e11565bed693b2cff1be63a228b26886b
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SHA512
e799e688ce7c0596bdaaac81eac31c061acef226e37a784d0604bf2a0dd421b90b8962668bdd564bd35fa7f7cb5105d155efc7d342f3ecd1579db9ca724b3335
Malware Config
Extracted
Protocol: ftp- Host:
maaig.com - Port:
21 - Username:
[email protected] - Password:
E#T~&wyRgLDa
Extracted
Protocol: smtp- Host:
mail.vitracer.com - Port:
587 - Username:
[email protected] - Password:
vm85932754
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 2 IoCs
resource yara_rule behavioral2/memory/1940-12-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral2/memory/1940-13-0x0000000000481BCE-mapping.dmp family_masslogger -
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-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation vessel details.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 732 set thread context of 1940 732 vessel details.exe 78 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1940 vessel details.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1940 vessel details.exe 1940 vessel details.exe 1940 vessel details.exe 1940 vessel details.exe 3176 powershell.exe 3176 powershell.exe 3176 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1940 vessel details.exe Token: SeDebugPrivilege 3176 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1940 vessel details.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 732 wrote to memory of 1940 732 vessel details.exe 78 PID 1940 wrote to memory of 3176 1940 vessel details.exe 80 PID 1940 wrote to memory of 3176 1940 vessel details.exe 80 PID 1940 wrote to memory of 3176 1940 vessel details.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\vessel details.exe"C:\Users\Admin\AppData\Local\Temp\vessel details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Users\Admin\AppData\Local\Temp\vessel details.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\vessel details.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3176
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