Analysis
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max time kernel
150s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-07-2022 07:53
General
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Target
fHkKqT7NSq10OIH.exe
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Size
910KB
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MD5
6b052b8275ce99c42a76e512e23a63ee
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SHA1
e9fc0f1243e9f60c61c2dae6d1bc0e1f9cec61d7
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SHA256
88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e
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SHA512
a832e28309d4ee75f2c27f6df9b0dbf90d06b5dc3acd88bacc15cdec32e9397102146647fe6aa1d839ef7cb808a4d7052c34ee9ab3e465d8c2335f3783eb8a0a
Malware Config
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 1 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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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 42 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: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 13 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 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\fHkKqT7NSq10OIH.exe"C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\fHkKqT7NSq10OIH.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fHkKqT7NSq10OIH.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/332-137-0x0000000000000000-mapping.dmp
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memory/400-142-0x00000000069D0000-0x0000000006A20000-memory.dmpFilesize
320KB
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memory/400-141-0x0000000006190000-0x00000000061F6000-memory.dmpFilesize
408KB
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memory/400-139-0x0000000000400000-0x0000000000486000-memory.dmpFilesize
536KB
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memory/400-138-0x0000000000000000-mapping.dmp
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memory/3460-135-0x0000000000000000-mapping.dmp
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memory/4464-136-0x0000000000000000-mapping.dmp
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memory/4564-130-0x00000000005D0000-0x00000000006BA000-memory.dmpFilesize
936KB
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memory/4564-134-0x000000000FBC0000-0x000000000FC5C000-memory.dmpFilesize
624KB
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memory/4564-133-0x00000000076D0000-0x00000000076DA000-memory.dmpFilesize
40KB
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memory/4564-132-0x0000000007530000-0x00000000075C2000-memory.dmpFilesize
584KB
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memory/4564-131-0x0000000007AE0000-0x0000000008084000-memory.dmpFilesize
5.6MB