8880ac4cb5d8819839732e9dbe742d5cb69c4c5db17c068be648b5f0f53db093

General

Target

2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
Size

83KB
MD5

be3e6a41e1f5709a87feaad43b1cc1ca
SHA1

7ce75a189c6c73af72e731ddd79496833adbc4d8
SHA256

8880ac4cb5d8819839732e9dbe742d5cb69c4c5db17c068be648b5f0f53db093
SHA512

4e0ad557d97d93803a16329b2b330b4432ca7b25228e3832abad8cd20d88d29051ec5386efa16439a30be0a2f74d42dc72df8f85134e9be670f063bccb26cadf
SSDEEP

1536:/55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5r5:LMSjOnrmBTMqqDL2/mr3IdE8we0Avu5l

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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iowjtbtwuos = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe"	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_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)	\??\M:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\K:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\H:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\I:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\J:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\N:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\O:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\Q:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\S:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\A:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\U:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\T:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\E:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\P:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\V:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\X:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\B:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\L:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\R:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\W:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\Y:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\Z:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
File opened (read-only)	\??\G:	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2800	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	28
PID 3044 wrote to memory of 2800	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	28
PID 3044 wrote to memory of 2800	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	28
PID 3044 wrote to memory of 2800	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	28
PID 3044 wrote to memory of 1868	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	31
PID 3044 wrote to memory of 1868	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	31
PID 3044 wrote to memory of 1868	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	31
PID 3044 wrote to memory of 1868	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	31
PID 3044 wrote to memory of 2208	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	34
PID 3044 wrote to memory of 2208	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	34
PID 3044 wrote to memory of 2208	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	34
PID 3044 wrote to memory of 2208	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	34
PID 3044 wrote to memory of 1400	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	38
PID 3044 wrote to memory of 1400	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	38
PID 3044 wrote to memory of 1400	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	38
PID 3044 wrote to memory of 1400	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	38
PID 3044 wrote to memory of 2880	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	40
PID 3044 wrote to memory of 2880	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	40
PID 3044 wrote to memory of 2880	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	40
PID 3044 wrote to memory of 2880	3044	2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe	40

C:\Users\Admin\AppData\Local\Temp\2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_be3e6a41e1f5709a87feaad43b1cc1ca_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:3044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2208
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1400
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:340
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:648
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1196
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2456
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2428