gandcrab | 19e33cb7295e6b7edaac8896f9ec5203570e93338c69c1e23ccad083b096c183

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 16:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
Size

145KB
MD5

06abe97424213e379af0b15932c8f500
SHA1

8eae2f951249f0bb5d3bc4c1dbd6c29a04788dd4
SHA256

19e33cb7295e6b7edaac8896f9ec5203570e93338c69c1e23ccad083b096c183
SHA512

ad58a26d18efb8afefbd53a496e085debc10e9e6d40010ee448dfdf16d48301fe06d46946869d44c633260700c930c654f3bc3aeed05b31bc830f6f19a4d4673
SSDEEP

3072:gYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:gyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/1960-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/1960-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1960-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1960-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1960-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral1/memory/1960-4-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\cyyzyssogme = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe"	2024-04-20_06abe97424213e379af0b15932c8f500_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:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\Q:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\I:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\S:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\U:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\A:	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-20_06abe97424213e379af0b15932c8f500_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	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1736	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	28
PID 1960 wrote to memory of 1736	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	28
PID 1960 wrote to memory of 1736	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	28
PID 1960 wrote to memory of 1736	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	28
PID 1960 wrote to memory of 2864	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	31
PID 1960 wrote to memory of 2864	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	31
PID 1960 wrote to memory of 2864	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	31
PID 1960 wrote to memory of 2864	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	31
PID 1960 wrote to memory of 2484	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	33
PID 1960 wrote to memory of 2484	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	33
PID 1960 wrote to memory of 2484	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	33
PID 1960 wrote to memory of 2484	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	33
PID 1960 wrote to memory of 2448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	35
PID 1960 wrote to memory of 2448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	35
PID 1960 wrote to memory of 2448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	35
PID 1960 wrote to memory of 2448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	35
PID 1960 wrote to memory of 1536	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	39
PID 1960 wrote to memory of 1536	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	39
PID 1960 wrote to memory of 1536	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	39
PID 1960 wrote to memory of 1536	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	39
PID 1960 wrote to memory of 1928	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	41
PID 1960 wrote to memory of 1928	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	41
PID 1960 wrote to memory of 1928	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	41
PID 1960 wrote to memory of 1928	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	41
PID 1960 wrote to memory of 2756	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	43
PID 1960 wrote to memory of 2756	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	43
PID 1960 wrote to memory of 2756	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	43
PID 1960 wrote to memory of 2756	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	43
PID 1960 wrote to memory of 1668	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	45
PID 1960 wrote to memory of 1668	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	45
PID 1960 wrote to memory of 1668	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	45
PID 1960 wrote to memory of 1668	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	45
PID 1960 wrote to memory of 1720	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	47
PID 1960 wrote to memory of 1720	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	47
PID 1960 wrote to memory of 1720	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	47
PID 1960 wrote to memory of 1720	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	47
PID 1960 wrote to memory of 1880	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	49
PID 1960 wrote to memory of 1880	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	49
PID 1960 wrote to memory of 1880	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	49
PID 1960 wrote to memory of 1880	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	49
PID 1960 wrote to memory of 1448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	51
PID 1960 wrote to memory of 1448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	51
PID 1960 wrote to memory of 1448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	51
PID 1960 wrote to memory of 1448	1960	2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe	51

C:\Users\Admin\AppData\Local\Temp\2024-04-20_06abe97424213e379af0b15932c8f500_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-20_06abe97424213e379af0b15932c8f500_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:1960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1736
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1668
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1960-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1960-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download