001591dd881b1d34f2db95aa75ee30404f1a67a404f04d86e41e4271bc9c172e

General

Target

2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
Size

73KB
MD5

9a260e8e3a6ce926efadd9b0ab1d32a0
SHA1

d755c0d78a6846edb4af2a7f57b0a39ef255befd
SHA256

001591dd881b1d34f2db95aa75ee30404f1a67a404f04d86e41e4271bc9c172e
SHA512

123d9c8376f7a78aac3513e42479b5dd5b44b2803a866c9c7c297a2272a4123b9ea16d30a75edff3d781b3b22ed28a893aa23e3f5c8f50fa5dc6047e9150cc71
SSDEEP

1536:o55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:qMSjOnrmBTMqqDL2/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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\yefzdaeitxr = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe"	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_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

description	ioc	Process
File opened (read-only)	\??\U:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\A:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\E:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\G:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\M:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\Q:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\S:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\T:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\Y:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\Z:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\L:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\N:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\O:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\R:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\W:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\X:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\B:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\V:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\H:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\I:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\J:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\K:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
File opened (read-only)	\??\P:	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 1104	2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe	55
PID 2872 wrote to memory of 1104	2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe	55
PID 2872 wrote to memory of 1104	2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe	55
PID 2872 wrote to memory of 1592	2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe	104
PID 2872 wrote to memory of 1592	2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe	104
PID 2872 wrote to memory of 1592	2872	2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe	104

C:\Users\Admin\AppData\Local\Temp\2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_9a260e8e3a6ce926efadd9b0ab1d32a0_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:2872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1104
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2848
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4284
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1172
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2260
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3896