16aa236a93c2aad275da468b5e1066bbb96701c211e698a23f31e5d9faab2df0

General

Target

2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
Size

73KB
MD5

87a857db50d220828e70f4e5ba6cf49f
SHA1

bf596087b6f9aab79447c8f106a91295ad941c42
SHA256

16aa236a93c2aad275da468b5e1066bbb96701c211e698a23f31e5d9faab2df0
SHA512

e04490f34695faab52668d5a49984be39356cc9c602bc847ee0c99c8c256af8f13d17b156ee33edd9022f8c35c590a420f2e2c1ba6d43cb7f57efc543d1e36d3
SSDEEP

1536:v55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:bMSjOnrmBTMqqDL2/mr3IdE8we0Avu5F

Score

6^/10

discovery 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

Processes:

2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\jgdvbdeqyxa = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe"	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.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

Processes:

2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

description	ioc	Process
File opened (read-only)	\??\B:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\I:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\P:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\W:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\X:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\E:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\H:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\J:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\N:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\O:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\Q:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\Y:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\G:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\K:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\L:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\S:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\T:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\A:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\M:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\R:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\U:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\V:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
File opened (read-only)	\??\Z:	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

nslookup.exe2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exenslookup.exenslookup.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.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

Processes:

2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

pid	Process
1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe

description	pid	Process	procid_target
PID 1984 wrote to memory of 4316	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	87
PID 1984 wrote to memory of 4316	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	87
PID 1984 wrote to memory of 4316	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	87
PID 1984 wrote to memory of 1120	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	102
PID 1984 wrote to memory of 1120	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	102
PID 1984 wrote to memory of 1120	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	102
PID 1984 wrote to memory of 4832	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	106
PID 1984 wrote to memory of 4832	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	106
PID 1984 wrote to memory of 4832	1984	2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe	106

C:\Users\Admin\AppData\Local\Temp\2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_87a857db50d220828e70f4e5ba6cf49f_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4316
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1120
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4832
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1848
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:636
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4192