Analysis
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max time kernel
133s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
21-09-2024 13:01
General
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Target
DHL_May 2020 at 06.1_8C7290_PDF.exe
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Size
805KB
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MD5
e4707e252ef3e7a6477c63a1a0350129
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SHA1
c5152a955485460d7c4bab092c5cebaf314ec092
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SHA256
7573a215a8c55cef7dd88267f3df3561fea190c207eb09cae2b59641945748d4
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SHA512
86f90725cd0dd098379c562ce311887f1c35a2a72d7c261f1544b8103265ded071408725250f1756e6b3b862fabaf0619a4b44d894b8643462998358ee428641
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SSDEEP
24576:yiwoh1pK7twlZ+lKp7KZ6lxV1iqCTuO9MNj:PK7tW+Mp0I1bBl
Malware Config
Extracted
Protocol: smtp- Host:
mail.kogep-k.hu - Port:
587 - Username:
[email protected] - Password:
Vb^4ZJR[JffqT,F2Tb
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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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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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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 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\DHL_May 2020 at 06.1_8C7290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 06.1_8C7290_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 06.1_8C7290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 06.1_8C7290_PDF.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
832KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
32KB
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Filesize
624KB
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Filesize
736KB
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Filesize
7.7MB
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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
7.7MB
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Filesize
704KB
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Filesize
7.7MB
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Filesize
272KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
80KB