b061b46d9aaa48c29ac5d8ea47960a675315e51ae75d3898b345f870f8f9e392

Analysis

max time kernel
151s
max time network
162s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14-10-2023 03:31

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General

Target

2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
Size

73KB
MD5

498c3554a9585fc33c694c86f373d092
SHA1

8e35dcd8dcbb985fa65935b4c9a1677dfaa6a0f9
SHA256

b061b46d9aaa48c29ac5d8ea47960a675315e51ae75d3898b345f870f8f9e392
SHA512

8c43c3d549d867acacbd62fdbd73c2826fb6d3f0255d3f8e247144e86f8a5ef4c01b3d7346115478f5c82e2290995bef17cddea6fb8352d5df172ec48ca9a6fd
SSDEEP

1536:s555555555555pmgSeGDjtQhnwmmB0yRMqqU+2bbbAV2/S2mr3IdE8mne0Avu5r2:JMSjOnrmBpMqqDL2/mr3IdE8we0Avu5h

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\irychlpffly = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe"	2023-08-25_498c3554a9585fc33c694c86f373d092_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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\G:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\I:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\N:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\R:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\U:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\A:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\B:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\H:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\J:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\K:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\O:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\P:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\Q:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\S:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\T:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\V:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\W:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\Z:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\Y:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\L:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\M:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
File opened (read-only)	\??\X:	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2188	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	28
PID 1768 wrote to memory of 2188	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	28
PID 1768 wrote to memory of 2188	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	28
PID 1768 wrote to memory of 2188	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	28
PID 1768 wrote to memory of 2616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	31
PID 1768 wrote to memory of 2616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	31
PID 1768 wrote to memory of 2616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	31
PID 1768 wrote to memory of 2616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	31
PID 1768 wrote to memory of 2956	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	33
PID 1768 wrote to memory of 2956	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	33
PID 1768 wrote to memory of 2956	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	33
PID 1768 wrote to memory of 2956	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	33
PID 1768 wrote to memory of 2512	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	36
PID 1768 wrote to memory of 2512	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	36
PID 1768 wrote to memory of 2512	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	36
PID 1768 wrote to memory of 2512	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	36
PID 1768 wrote to memory of 3056	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	39
PID 1768 wrote to memory of 3056	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	39
PID 1768 wrote to memory of 3056	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	39
PID 1768 wrote to memory of 3056	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	39
PID 1768 wrote to memory of 2868	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	41
PID 1768 wrote to memory of 2868	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	41
PID 1768 wrote to memory of 2868	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	41
PID 1768 wrote to memory of 2868	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	41
PID 1768 wrote to memory of 2680	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	43
PID 1768 wrote to memory of 2680	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	43
PID 1768 wrote to memory of 2680	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	43
PID 1768 wrote to memory of 2680	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	43
PID 1768 wrote to memory of 2952	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	45
PID 1768 wrote to memory of 2952	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	45
PID 1768 wrote to memory of 2952	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	45
PID 1768 wrote to memory of 2952	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	45
PID 1768 wrote to memory of 308	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	47
PID 1768 wrote to memory of 308	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	47
PID 1768 wrote to memory of 308	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	47
PID 1768 wrote to memory of 308	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	47
PID 1768 wrote to memory of 2556	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	49
PID 1768 wrote to memory of 2556	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	49
PID 1768 wrote to memory of 2556	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	49
PID 1768 wrote to memory of 2556	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	49
PID 1768 wrote to memory of 2032	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	51
PID 1768 wrote to memory of 2032	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	51
PID 1768 wrote to memory of 2032	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	51
PID 1768 wrote to memory of 2032	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	51
PID 1768 wrote to memory of 1048	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	53
PID 1768 wrote to memory of 1048	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	53
PID 1768 wrote to memory of 1048	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	53
PID 1768 wrote to memory of 1048	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	53
PID 1768 wrote to memory of 516	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	55
PID 1768 wrote to memory of 516	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	55
PID 1768 wrote to memory of 516	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	55
PID 1768 wrote to memory of 516	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	55
PID 1768 wrote to memory of 1616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	57
PID 1768 wrote to memory of 1616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	57
PID 1768 wrote to memory of 1616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	57
PID 1768 wrote to memory of 1616	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	57
PID 1768 wrote to memory of 2888	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	59
PID 1768 wrote to memory of 2888	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	59
PID 1768 wrote to memory of 2888	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	59
PID 1768 wrote to memory of 2888	1768	2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe	59

C:\Users\Admin\AppData\Local\Temp\2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-25_498c3554a9585fc33c694c86f373d092_gandcrab_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2188
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1048
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2888