59c8a15ccb8aa19ee66ec5a683509cfc3ab74f656aaf518c0e535994f722f8e4

General

Target

202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
Size

70KB
MD5

5eb3ce9ef8735e453b528c3ed45d5520
SHA1

cc6ed58a591821b2c4087f63ab5b4cd78dfa5c16
SHA256

59c8a15ccb8aa19ee66ec5a683509cfc3ab74f656aaf518c0e535994f722f8e4
SHA512

8b3971f8cf1a66bd2f38e73232688e119f24dac5ac19604d9f868436e2a91baa0465b8d35ce59ac09dda1f130ea9bdf1c3b5af0dace64e1e2acfe675be1b61c9
SSDEEP

1536:FZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:0d5BJHMqqDL2/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-1-5-21-1563773381-2037468142-1146002597-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\uuggpkzlzwj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe"	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.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)	\??\K:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\S:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\X:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\Y:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\Z:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\H:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\I:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\J:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\T:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\V:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\W:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\M:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\N:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\Q:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\G:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\O:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\P:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\U:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\A:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\B:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\E:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\F:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\L:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
File opened (read-only)	\??\R:	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1748	1100	WerFault.exe	26

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	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1100	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
1100	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1748	1100	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe	29
PID 1100 wrote to memory of 1748	1100	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe	29
PID 1100 wrote to memory of 1748	1100	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe	29
PID 1100 wrote to memory of 1748	1100	202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe	29

C:\Users\Admin\AppData\Local\Temp\202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\202305175eb3ce9ef8735e453b528c3ed45d5520gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 704
  2⤵
  - Program crash
  PID:1748