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Analysis
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max time kernel
240s -
max time network
283s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
07/01/2024, 12:09
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe
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Size
265KB
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MD5
54c420f688bb75af1cfbf2b2529cfbc9
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SHA1
fb1a4df09c25eaa45a98a2a14f769c330110ea90
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SHA256
8eba0fee81a8b4069d51c688a4ff8cb3ebe49cdff750cfb802202f1ff1c53747
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SHA512
176b6f113d3d0d8ca510c88d6281bc43a6cf161e9acfe701d9ee2ebede7537a26346dff6e90c2d56df56481cf6e19090160f0bd7bb461d165f76c2896948185e
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SSDEEP
3072:uv5tt9cXgoEJk/N77w1ixVJgLzhUkNp2fAhz1WLNoXE1e3GcCFK/ksMRRpwzvjDo:uvSgnk/NgSJqzhUU2fa1WKXIOTzjELEG
Malware Config
Signatures
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GandCrab payload 4 IoCs
resource yara_rule behavioral1/memory/2928-2-0x0000000000400000-0x000000000055A000-memory.dmp family_gandcrab behavioral1/memory/2928-3-0x00000000002E0000-0x00000000002F7000-memory.dmp family_gandcrab behavioral1/memory/2928-8-0x0000000000400000-0x000000000055A000-memory.dmp family_gandcrab behavioral1/memory/2928-14-0x00000000002E0000-0x00000000002F7000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\trlbvdnpdxs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zkyeoc.exe\"" 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\S: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\K: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\N: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\O: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\Q: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\V: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\W: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\E: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\I: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\M: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\U: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\Y: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\Z: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\B: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\G: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\J: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\P: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\T: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\X: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\A: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\H: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe File opened (read-only) \??\L: 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 580 2928 WerFault.exe 10 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2928 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe 2928 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2928 wrote to memory of 580 2928 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe 28 PID 2928 wrote to memory of 580 2928 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe 28 PID 2928 wrote to memory of 580 2928 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe 28 PID 2928 wrote to memory of 580 2928 2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-06_54c420f688bb75af1cfbf2b2529cfbc9_karagany_mafia.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 7282⤵
- Program crash
PID:580
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