b43fa55a9876cf3270a49c088fe766d0b31086985c2324df0bdfcc40f0c87715

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 16:00

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General

Target

NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
Size

73KB
MD5

ec753ae373fb915896347331e9e1d048
SHA1

b0f5767e320300aa6a15f629dc0335d6bc5ac018
SHA256

b43fa55a9876cf3270a49c088fe766d0b31086985c2324df0bdfcc40f0c87715
SHA512

0213e2e41d7fa0b464b5ea5c940c164cbfdff38e81e90e4d0affe884fd20df355c0210e14dd345a1c7eeab0aa148a72bc31c99e2afbcf139c156c1cc4e7417fe
SSDEEP

1536:8555555555555pmgSeGDjtQhnwmmB0yVMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rG:5MSjOnrmBdMqqDL2/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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\eflpjtooaaa = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe"	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_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)	\??\V:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\W:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\X:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\H:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\M:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\Q:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\N:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\P:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\R:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\Z:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\A:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\E:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\G:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\S:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\U:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\I:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\K:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\O:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\T:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\Y:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\B:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\J:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
File opened (read-only)	\??\L:	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_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	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 4856	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	90
PID 3612 wrote to memory of 4856	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	90
PID 3612 wrote to memory of 4856	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	90
PID 3612 wrote to memory of 2660	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	92
PID 3612 wrote to memory of 2660	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	92
PID 3612 wrote to memory of 2660	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	92
PID 3612 wrote to memory of 2512	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	94
PID 3612 wrote to memory of 2512	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	94
PID 3612 wrote to memory of 2512	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	94
PID 3612 wrote to memory of 4780	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	98
PID 3612 wrote to memory of 4780	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	98
PID 3612 wrote to memory of 4780	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	98
PID 3612 wrote to memory of 1016	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	101
PID 3612 wrote to memory of 1016	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	101
PID 3612 wrote to memory of 1016	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	101
PID 3612 wrote to memory of 3708	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	103
PID 3612 wrote to memory of 3708	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	103
PID 3612 wrote to memory of 3708	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	103
PID 3612 wrote to memory of 216	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	105
PID 3612 wrote to memory of 216	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	105
PID 3612 wrote to memory of 216	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	105
PID 3612 wrote to memory of 4404	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	107
PID 3612 wrote to memory of 4404	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	107
PID 3612 wrote to memory of 4404	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	107
PID 3612 wrote to memory of 1708	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	109
PID 3612 wrote to memory of 1708	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	109
PID 3612 wrote to memory of 1708	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	109
PID 3612 wrote to memory of 1268	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	111
PID 3612 wrote to memory of 1268	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	111
PID 3612 wrote to memory of 1268	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	111
PID 3612 wrote to memory of 1288	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	113
PID 3612 wrote to memory of 1288	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	113
PID 3612 wrote to memory of 1288	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	113
PID 3612 wrote to memory of 4456	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	115
PID 3612 wrote to memory of 4456	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	115
PID 3612 wrote to memory of 4456	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	115
PID 3612 wrote to memory of 3816	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	117
PID 3612 wrote to memory of 3816	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	117
PID 3612 wrote to memory of 3816	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	117
PID 3612 wrote to memory of 1276	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	119
PID 3612 wrote to memory of 1276	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	119
PID 3612 wrote to memory of 1276	3612	NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe	119

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_gandcrab_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_ec753ae373fb915896347331e9e1d048_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:3612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2660
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4404
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1288
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4456
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1276