Analysis
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max time kernel
111s -
max time network
188s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-04-2022 05:29
General
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Target
f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
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Size
823KB
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MD5
4c565dccf733ed8901e82def8c2f969a
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SHA1
82aca8816554eb811653b169a009001e34ee86c2
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SHA256
f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b
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SHA512
92569fb9f98394612a345092f26b63dd94c75dc0d6d2cd750c899745b247cdfb59c4121af4fd16d38f8a44dafdd6a127b9cd0e9bf79c7b610d6688b14b9c8270
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 6 IoCs
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Executes dropped EXE 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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Loads dropped DLL 2 IoCs
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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 35 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: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 13 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\f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe"C:\Users\Admin\AppData\Local\Temp\f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe"1⤵
- Loads dropped DLL
- 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\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
8KB
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Filesize
168KB
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Filesize
112KB
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Filesize
848KB
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Filesize
12.3MB
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Filesize
5.7MB
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Filesize
536KB
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Filesize
536KB
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Filesize
536KB
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Filesize
536KB
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Filesize
536KB
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Filesize
68KB
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Filesize
536KB
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Filesize
536KB