Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
05-03-2024 04:46
General
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Target
b3d0b8c065ad75dfd646829bc7c87735.exe
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Size
67KB
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MD5
b3d0b8c065ad75dfd646829bc7c87735
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SHA1
629655f03b356ad46ae106855eb004c7be7098c0
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SHA256
61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb
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SHA512
81539089391fb7aad33450a37ab57ec4a13c544a70ead868bc89f4e5d3d81dd948b4ea82c9ba1a780e03dfee608839b6acf2868f0ff6c0fc0fd2ef2fd6cf766e
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SSDEEP
768:Xb5fzfrnTjUzYZzZbvINP2hTlCio1cIBB6zTTCkvbIcwlwLHT1C4kh3ZsXULI9eN:L5bTnBIrio1cKeTDvbIcwqdUEPR+pR
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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A310logger Executable 2 IoCs
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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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Executes dropped EXE 1 IoCs
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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 3 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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Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 2 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\b3d0b8c065ad75dfd646829bc7c87735.exe"C:\Users\Admin\AppData\Local\Temp\b3d0b8c065ad75dfd646829bc7c87735.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exeFilesize
20KB
MD51bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
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memory/3696-16-0x00007FF832A30000-0x00007FF8333D1000-memory.dmpFilesize
9.6MB
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memory/3696-17-0x0000000000D00000-0x0000000000D10000-memory.dmpFilesize
64KB
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memory/3696-21-0x00007FF832A30000-0x00007FF8333D1000-memory.dmpFilesize
9.6MB
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memory/3696-22-0x00007FF832A30000-0x00007FF8333D1000-memory.dmpFilesize
9.6MB
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memory/4188-0-0x000000001B080000-0x000000001B0E2000-memory.dmpFilesize
392KB
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memory/4188-1-0x00007FF832A30000-0x00007FF8333D1000-memory.dmpFilesize
9.6MB
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memory/4188-3-0x00007FF832A30000-0x00007FF8333D1000-memory.dmpFilesize
9.6MB
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memory/4188-4-0x0000000000AE0000-0x0000000000AF0000-memory.dmpFilesize
64KB
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memory/4188-2-0x000000001B210000-0x000000001B2B6000-memory.dmpFilesize
664KB
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memory/4188-24-0x00007FF832A30000-0x00007FF8333D1000-memory.dmpFilesize
9.6MB