Analysis
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max time kernel
119s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
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submitted
21/08/2023, 04:28
General
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Target
SecuriteInfo.com.W32.MSIL_Kryptik.HJS.gen.Eldorado.12185.30777.exe
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Size
19KB
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MD5
fdf1d0cdbeea64ca6a6eba7f0fac58a7
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SHA1
bd693b28de6f687c3a713f2e4ff58b39e2c6560d
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SHA256
d9790b25df3e792b4af4dbda1962f7bfb884eb3491f68db19249061b8441a126
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SHA512
4c3d0b0d124a5a9b7f04d482bfaab326c66f4e5ab5dbeec5d34825553b0e0a88c0ea20b3f357cb8f1cfccea817f682c94ce038633e9a66216b889fd6d42f4e45
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SSDEEP
384:8KO55Uim6ebuC8cOkd4gvbH3R9BuG2hJntugTnwqKfq:mvUizeKC8xgvLtKJMmwqB
Malware Config
Extracted
purecrypter
https://files.catbox.moe/ecnmhc.mp4
Signatures
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Adds Run key to start application 2 TTPs 2 IoCs
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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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Modifies system certificate store 2 TTPs 6 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.HJS.gen.Eldorado.12185.30777.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.HJS.gen.Eldorado.12185.30777.exe"1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
344B
MD53a91d8fc7c3fada2c7ab855c0bc7d8f0
SHA17314c435cee0bab38b1199738ad9dbc22f152bd4
SHA256b97c662b39a6231f4cff5c7307f7e7bd8cc19d19916e5e92c7f369729c65f414
SHA512c12ecbb8a02ed67e275191f5db2d2baaaf8dad87f8828cf5cd0f20cb05b55a02c6d2aa84ab7729c1b1f16dc438873354d2d5a96229af589c0d77efe98e90322b
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Filesize
62KB
MD53ac860860707baaf32469fa7cc7c0192
SHA1c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
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Filesize
164KB
MD54ff65ad929cd9a367680e0e5b1c08166
SHA1c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
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Filesize
784KB
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Filesize
784KB
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Filesize
6.9MB
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Filesize
808KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
48KB
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Filesize
256KB
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Filesize
784KB
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Filesize
6.9MB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
256KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
784KB
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Filesize
256KB
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Filesize
4KB
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Filesize
280KB
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Filesize
304KB
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Filesize
264KB
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Filesize
256KB