Analysis
- max time kernel
142s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
25/08/2023, 14:35
Behavioral task
behavioral1
Sample
961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe
Resource
win7-20230712-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe
Resource
win10v2004-20230703-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe
- Size 145KB
- Sample230825-rx229acf73
- SHA256 370c526f43aa745d73395d667b1a6784e782b212904263562602dccbe3a49cf1
- MD5 961c5a33498bf70121cb9fd45636be25
- SHA1 ed0ffb0a3795dd048f55e30fa5da978342997828
- SHA512 2189e9ecf39437d9030b5731b4ab61f3979169aeb65f6f5394699d5c37223c62c2d7566e3e77d45d1a6db79bb9711a02eb64ee51ca49f20592668da4580fd0bb
- SSDEEP 3072:4YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:4yOqqDL64vdGREz
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- GandCrab payload 2 IoCs
resource yara_rule behavioral2/memory/5100-0-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab behavioral2/memory/5100-4-0x0000000000400000-0x0000000000428000-memory.dmp family_gandcrab - Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ytbwhvsrlkb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe" 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.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: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\V: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\X: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\Y: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\B: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\E: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\I: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\K: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\Q: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\T: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\N: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\P: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\S: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\U: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\G: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\H: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\L: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\M: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\W: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\A: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\J: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\O: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe File opened (read-only) \??\Z: 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe - Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 5100 wrote to memory of 5020 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 81 PID 5100 wrote to memory of 5020 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 81 PID 5100 wrote to memory of 5020 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 81 PID 5100 wrote to memory of 3164 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 87 PID 5100 wrote to memory of 3164 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 87 PID 5100 wrote to memory of 3164 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 87 PID 5100 wrote to memory of 432 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 92 PID 5100 wrote to memory of 432 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 92 PID 5100 wrote to memory of 432 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 92 PID 5100 wrote to memory of 3696 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 95 PID 5100 wrote to memory of 3696 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 95 PID 5100 wrote to memory of 3696 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 95 PID 5100 wrote to memory of 4932 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 97 PID 5100 wrote to memory of 4932 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 97 PID 5100 wrote to memory of 4932 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 97 PID 5100 wrote to memory of 2604 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 99 PID 5100 wrote to memory of 2604 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 99 PID 5100 wrote to memory of 2604 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 99 PID 5100 wrote to memory of 1612 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 101 PID 5100 wrote to memory of 1612 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 101 PID 5100 wrote to memory of 1612 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 101 PID 5100 wrote to memory of 5112 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 103 PID 5100 wrote to memory of 5112 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 103 PID 5100 wrote to memory of 5112 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 103 PID 5100 wrote to memory of 1292 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 105 PID 5100 wrote to memory of 1292 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 105 PID 5100 wrote to memory of 1292 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 105 PID 5100 wrote to memory of 3512 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 107 PID 5100 wrote to memory of 3512 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 107 PID 5100 wrote to memory of 3512 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 107 PID 5100 wrote to memory of 2304 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 109 PID 5100 wrote to memory of 2304 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 109 PID 5100 wrote to memory of 2304 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 109 PID 5100 wrote to memory of 2092 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 111 PID 5100 wrote to memory of 2092 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 111 PID 5100 wrote to memory of 2092 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 111 PID 5100 wrote to memory of 1828 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 113 PID 5100 wrote to memory of 1828 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 113 PID 5100 wrote to memory of 1828 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 113 PID 5100 wrote to memory of 3896 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 115 PID 5100 wrote to memory of 3896 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 115 PID 5100 wrote to memory of 3896 5100 961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe"C:\Users\Admin\AppData\Local\Temp\961c5a33498bf70121cb9fd45636be25_gandcrab_JC.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:5020
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3164
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:432
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3696
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:4932
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:2604
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:1612
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:5112
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:1292
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:3512
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:2304
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C:\Windows\SysWOW64\nslookup.exenslookup gandcrab.bit dns1.soprodns.ru2⤵PID:2092
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C:\Windows\SysWOW64\nslookup.exenslookup nomoreransom.bit dns1.soprodns.ru2⤵PID:1828
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C:\Windows\SysWOW64\nslookup.exenslookup emsisoft.bit dns1.soprodns.ru2⤵PID:3896
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