91391cbc30a139be84f250e157a0e7704447264fe96c7366af1d0af1836f10ee

General

Target

2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
Size

70KB
MD5

bada6a26d0c7de6a21e21f393979ce71
SHA1

10ca1e03295515ffdfc293e81b06493a7ab980a1
SHA256

91391cbc30a139be84f250e157a0e7704447264fe96c7366af1d0af1836f10ee
SHA512

ad3334b290f84249965b2207ec894edc7728a5d1cc935207a8b3553d16b7633a87ae27ee76ec09238d4fd1f84010dfd736cf004e60cd2b71bd1814106387c3c9
SSDEEP

1536:WZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:Fd5BJHMqqDL2/OvvdrH

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\ouktkowqxbj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe"	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe

Enumerates connected drives 3 TTPs 24 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)	\??\F:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\R:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\T:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\W:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\Z:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\H:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\I:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\O:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\S:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\U:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\B:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\K:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\L:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\M:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\N:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\Y:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\Q:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\V:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\X:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\A:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\E:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\G:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\J:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
File opened (read-only)	\??\P:	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1000	1516	WerFault.exe	27

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	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1516	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
1516	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1000	1516	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe	30
PID 1516 wrote to memory of 1000	1516	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe	30
PID 1516 wrote to memory of 1000	1516	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe	30
PID 1516 wrote to memory of 1000	1516	2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe	30

C:\Users\Admin\AppData\Local\Temp\2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2023-05-08_bada6a26d0c7de6a21e21f393979ce71_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 612
  2⤵
  - Program crash
  PID:1000