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Analysis
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max time kernel
144s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
30/09/2024, 10:30
General
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Target
2024-09-30_bc64976c095fb66a8b7ff82692d46d11_bkransomware_floxif_hijackloader.exe
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Size
3.4MB
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MD5
bc64976c095fb66a8b7ff82692d46d11
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SHA1
d6beb324e6f6058dd4b3902cd907191ce991bfdf
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SHA256
2c3d48205a200f13cec47f2b9873f24f07bd41f8884b6713d61d150aa291ad5d
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SHA512
61eb7f3fab9bac87e2fc0fa9b045cfe58000bc3798b6c663542766d4fd0185ec174c0caaa0b57a4fe9a9bef7cadd53a50b40beabb86630f7b5f00e8965c95828
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SSDEEP
49152:iZi5Wu7I/Bzfz/ZHg1pHtOUYqP3CFOrtG/RR9sXafgkDFMVR9C1UhPJXMK701hOq:iI5Wt/BzfzW1t0xOouBiCV2Hp
Malware Config
Signatures
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Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
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Detects Floxif payload 1 IoCs
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
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Loads dropped DLL 4 IoCs
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Checks for any installed AV software in registry 1 TTPs 4 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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UPX packed file 9 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies system certificate store 2 TTPs 8 IoCs
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Suspicious behavior: EnumeratesProcesses 24 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-30_bc64976c095fb66a8b7ff82692d46d11_bkransomware_floxif_hijackloader.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-30_bc64976c095fb66a8b7ff82692d46d11_bkransomware_floxif_hijackloader.exe"1⤵
- Loads dropped DLL
- Checks for any installed AV software in registry
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
342B
MD5767ae1b723f7afec130c65cb034d2449
SHA15406e7480817273e8c38848674ab3ac3759c55c7
SHA256cab90f86904e004e0a58591b44eeb92bf9445386d934fddc6391dced04c085b6
SHA5120a508cc4ebb00412f98024014b781633b176fd3527b1bff2d9e4850804e62e8f4289444543c41e20c1990ad70ac957f054503db34d269e6713f8277dcd4113a5
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
67KB
MD57d5d3e2fcfa5ff53f5ae075ed4327b18
SHA13905104d8f7ba88b3b34f4997f3948b3183953f6
SHA256e1fb95609f2757ce74cb531a5cf59674e411ea0a262b758371d7236c191910c4
SHA512e67683331bb32ea4b2c38405be7f516db6935f883a1e4ae02a1700f5f36462c31b593e07c6fe06d8c0cb1c20c9f40a507c9eae245667c89f989e32765a89f589
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Filesize
192KB
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Filesize
3.3MB
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Filesize
272KB
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Filesize
192KB
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Filesize
192KB
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Filesize
3.3MB
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Filesize
192KB
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Filesize
80KB
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Filesize
192KB
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Filesize
3.3MB
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Filesize
192KB
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Filesize
80KB
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Filesize
192KB
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Filesize
192KB