Analysis
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max time kernel
4294181s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
01-03-2022 18:12
General
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Target
969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
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Size
539KB
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MD5
e4f7f75510cda5bef47f9592fd71dade
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SHA1
cce6618248fb1fd391704a851551fc4e6262acfd
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SHA256
969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22
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SHA512
664b46bdf5fb5fb8df5a0e997e887ed48736027d3ccfa88d5c094875a2e7dcc8f0bede3e155b447dd131778bceaf498cddc672450730946c381f28715af4ecfc
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/932201764764147802/mwMlKS9HLPkYmtPCqZav0VpATPW5VqmEzplBqEZVE9Fp1-EHpr6uNlIUcjh7TSGGncnk
Signatures
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44Caliber
An open source infostealer written in C#.
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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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe"C:\Users\Admin\AppData\Local\Temp\969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
560KB
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Filesize
4KB
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Filesize
8KB