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Analysis
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max time kernel
170s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21/05/2022, 12:06
General
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Target
CATALOGUE RMK TRADING LTD_PDF.exe
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Size
877KB
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MD5
dbea2b919f6457af66a3f4080d989f0f
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SHA1
5c10ba29f8038614b75dc73416d733851710857a
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SHA256
5f10de50b259a82ec6229168b4ed55aca2959b445051abd78d2cb2ab51f321f8
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SHA512
0902bc7f1e44fa97ce9fb267148a038dec848d66a2a9b961134b30a7b6e6dc3ce4247006637892265ea354150926aa37595153bdf055144e97f86bfca6b1bf4c
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
whayasaynewnew
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 32 IoCs
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MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
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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.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CATALOGUE RMK TRADING LTD_PDF.exe"C:\Users\Admin\AppData\Local\Temp\CATALOGUE RMK TRADING LTD_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CATALOGUE RMK TRADING LTD_PDF.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
5.6MB
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Filesize
584KB
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Filesize
40KB
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Filesize
624KB
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Filesize
904KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
704KB
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Filesize
408KB
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Filesize
320KB