General
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Target
f748b82467e71bd1b2a1a12c128e8c66425be3054f5144b000cc94f52383fa19
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Size
506KB
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Sample
220521-n8k2bsegg2
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MD5
8fdead561b7de0d74665ebb7bc6352ce
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SHA1
e07214206ef3cd037f7cf14ec39fee9336723334
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SHA256
f748b82467e71bd1b2a1a12c128e8c66425be3054f5144b000cc94f52383fa19
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SHA512
5c26be026ea17bfb097330e2538a6266c6828119d2e438126793aea0371f28e0327d88e3d33728d23912cdacb2bb5216051673cd550f1f7ccba98b9841e5be68
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
clubluxurious.com - Port:
587 - Username:
adminsmtp@clubluxurious.com - Password:
lovers903212@@@123
Extracted
Protocol: smtp- Host:
clubluxurious.com - Port:
587 - Username:
adminsmtp@clubluxurious.com - Password:
lovers903212@@@123
Targets
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Target
company profile and order.exe
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Size
541KB
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MD5
901d22562d31a9e1c5db78101f5a1a5b
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SHA1
5bb7d889b40ab7bf7565f5709ec85806624f262f
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SHA256
17b08a5f3af74a6f01300f637e6975b4d42a04b3c1f5825a86106adc48f51608
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SHA512
a7c094689266752791228a518c725e2f36a45bb5ef47c5a9020cabad3f35ca5f3057db44dcc4ff4ed7879e40755af4ebe165ea50735774478c4aca414f2a3e56
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
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AgentTesla Payload
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CoreCCC Packer
Detects CoreCCC packer used to load .NET malware.
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Looks for VirtualBox Guest Additions in registry
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ReZer0 packer
Detects ReZer0, a packer with multiple versions used in various campaigns.
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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