Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
11-10-2023 21:00
General
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Target
d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
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Size
274KB
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MD5
40e3881d6c0898f6a5c24940b54a69a2
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SHA1
f3da392ee4fb703255eff7ee8a83f23c2bb02987
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SHA256
d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86
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SHA512
9013a696cda9be776f0a5ee66aece8716662121e69c5be056c8567eabed8fea91641e50714962438efb57da1b1ff1d4a2c3211e65be10a9e7833e647f700eb8b
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SSDEEP
6144:ef+BLtABPDMtBBfn1Y0gIoHOQZafTy8lI1D0Cbg:1tVvgIoHO+x1DRg
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/1155120137612034188/cdy5wHbWmzOOyiX6nZbn5OlBuBidB8er7f1281hl7JRUP1iVFGnh9s57SwGqJtsdtgrx
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\d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe"C:\Users\Admin\AppData\Local\Temp\d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
296KB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
9.9MB