8194fd09999415df9bf0d8731b646ea0e39932f00e43d584898ce1400c17e5ac

General

Target

2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
Size

73KB
MD5

744ae026d8ca9b3fa6739a0eb9d2dab8
SHA1

d2b6d2c515b17ceebccce282a600c197255dfe2a
SHA256

8194fd09999415df9bf0d8731b646ea0e39932f00e43d584898ce1400c17e5ac
SHA512

931acaca46523103f13bf7bb279aeaaf201c01c049b4910935bd70385b81450790961b4e0442736ba9295b01c8134bda8bf017403a742479d828fc281f67ea28
SSDEEP

1536:+55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:UMSjOnrmBTMqqDL2/mr3IdE8we0Avu5F

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\rpymskgjxgu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe"	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_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)	\??\N:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\T:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\U:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\Z:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\L:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\J:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\M:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\P:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\X:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\Y:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\B:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\K:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\O:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\Q:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\S:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\H:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\E:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\G:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\I:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\R:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\V:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\W:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
File opened (read-only)	\??\A:	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_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	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 4964	1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe	78
PID 1148 wrote to memory of 4964	1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe	78
PID 1148 wrote to memory of 4964	1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe	78
PID 1148 wrote to memory of 2316	1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe	99
PID 1148 wrote to memory of 2316	1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe	99
PID 1148 wrote to memory of 2316	1148	2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe	99

C:\Users\Admin\AppData\Local\Temp\2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_744ae026d8ca9b3fa6739a0eb9d2dab8_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:1148
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2316
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4464
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:5060
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2324
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:920