Analysis
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max time kernel
147s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 08:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe
Resource
win7-20240221-en
General
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Target
2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe
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Size
16.6MB
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MD5
2a67d028ee55d09ae170ca5f80bfad88
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SHA1
c750c775c8cec95a8a8d77bef756d62ab27362a9
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SHA256
9a73ad14474c570c55a3af168363019001fdcff4c405b67234fcb50ccc7be53c
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SHA512
9b6dbb7d78475469009b6ed41c1fa622c234fcbcaa309aeb0bbdc6748f6c8895439270047029d9a24efdc769ceff8ef475c36634172a806e6f0a87caff6db0e7
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SSDEEP
196608:N5NU7cedoQaSWgmoVZPm6BqCOte0jlob/dXsauo4zyhPSBkhj04OUSwuBjDwgg5I:22SblqCXsauo4DBkluBjCUoQH
Malware Config
Signatures
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UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral1/memory/2192-21-0x0000000000400000-0x0000000000432000-memory.dmp UPX behavioral1/memory/2192-24-0x0000000000400000-0x0000000000432000-memory.dmp UPX behavioral1/memory/2192-26-0x0000000000220000-0x0000000000252000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 2192 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe -
Loads dropped DLL 4 IoCs
pid Process 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2192 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe 2192 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe -
resource yara_rule behavioral1/memory/2192-21-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2192-24-0x0000000000400000-0x0000000000432000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2680 2192 WerFault.exe 28 -
Modifies registry class 30 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\AppUserModelID = "aSc.TimeTables.AppID" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\printto 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\print\command 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\printto\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-0~1.EXE /ddenoshow" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\roz_auto_file\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\roz.exe \"%1\"" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\ = "aScTimeTables Document" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-0~1.EXE \"%1\"" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.roz 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\roz_auto_file\shell\open 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\open 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\print\ddeexec\ = "[print(\"%1\")]" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\roz_auto_file\shell 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-0~1.EXE /dde" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-0~1.EXE,2" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\printto\ddeexec 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\print\ddeexec 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\print 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\DefaultIcon 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\open\ddeexec 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-0~1.EXE /ddenoshow" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\printto\command 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.roz\ = "roz_auto_file" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\roz_auto_file\shell\open\command 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\open\ddeexec\ = "[open(\"%1\")]" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\open\command 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-0~1.EXE,1" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Roz.Document\shell\printto\ddeexec\ = "[printto(\"%1\",\"%2\",\"%3\",\"%4\")]" 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\roz_auto_file 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe -
Suspicious use of FindShellTrayWindow 12 IoCs
pid Process 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe -
Suspicious use of SendNotifyMessage 12 IoCs
pid Process 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2332 wrote to memory of 2192 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 28 PID 2332 wrote to memory of 2192 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 28 PID 2332 wrote to memory of 2192 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 28 PID 2332 wrote to memory of 2192 2332 2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnit.exe"1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exeC:\Users\Admin\AppData\Local\Temp\2024-03-29_2a67d028ee55d09ae170ca5f80bfad88_mafia_ramnitmgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 1803⤵
- Program crash
PID:2680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
157B
MD546ab49e8a2f4ebd2ee9e5ff4e647f992
SHA1e7460a7511a6a9b63821450f20a841a2cc7bff09
SHA2567d0dc4ba29916c569392b7334ada2b71ea1736dd4262f476c5efff1433ef58a1
SHA512bbc7507f239c6e47455015425ad78685b0b272a8eb8d02c8f4456fcf0af81e5c57f58dbf9b70e0f94993a11a01de7962b6ce3838280bd494d6ca5afac0ada342
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Filesize
157KB
MD52ad7467eeceedd64b8bd4f6e04c3cd49
SHA1d6c5d9878dc49ae9b531d61283609e207154a921
SHA2562aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9
SHA5127a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94