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Analysis
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max time kernel
139s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21/05/2022, 12:06
Static task
static1
Behavioral task
behavioral1
Sample
CATALOGUE RMK TRADING LTD_PDF.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
CATALOGUE RMK TRADING LTD_PDF.exe
Resource
win10v2004-20220414-en
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\3B8E3C2477\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
resource yara_rule behavioral1/memory/1700-61-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-63-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-62-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-64-0x00000000004AB84E-mapping.dmp family_masslogger behavioral1/memory/1700-66-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-68-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-70-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-72-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-74-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-76-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-78-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-80-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-82-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-84-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-86-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-88-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-90-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-92-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-94-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-96-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-98-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-100-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-102-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-104-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-106-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-108-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-110-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-112-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-114-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-116-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-118-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral1/memory/1700-120-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
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-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation CATALOGUE RMK TRADING LTD_PDF.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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Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook CATALOGUE RMK TRADING LTD_PDF.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook CATALOGUE RMK TRADING LTD_PDF.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook CATALOGUE RMK TRADING LTD_PDF.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook CATALOGUE RMK TRADING LTD_PDF.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook CATALOGUE RMK TRADING LTD_PDF.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook CATALOGUE RMK TRADING LTD_PDF.exe Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.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 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1952 set thread context of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1700 CATALOGUE RMK TRADING LTD_PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1700 CATALOGUE RMK TRADING LTD_PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 PID 1952 wrote to memory of 1700 1952 CATALOGUE RMK TRADING LTD_PDF.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 CATALOGUE RMK TRADING LTD_PDF.exe
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
PID:1952 -
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
PID:1700
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