gandcrab | dadea33aea79644a970701c3cd704bada991d21e74161e2caebd30fcb95af9c0

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 20:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
Size

145KB
MD5

29aa5ae198f1873b3dc2bcd8fc192379
SHA1

25d8ffe315df98684161eee43c334c07c1732d78
SHA256

dadea33aea79644a970701c3cd704bada991d21e74161e2caebd30fcb95af9c0
SHA512

947e0435281d5595fab98c03c53c3508359ef3fe1f85bebc1388f5fc17c10b6b564e3abaadc3b6a09674715066ca12c602a62c373c4d15742352da87588742e3
SSDEEP

3072:oYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:oyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/944-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/944-4-0x0000000000400000-0x0000000000428000-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/944-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/944-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

resource	yara_rule
behavioral1/memory/944-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral1/memory/944-4-0x0000000000400000-0x0000000000428000-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\dezmtkvdyni = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe"	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_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)	\??\E:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\N:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\A:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\M:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
File opened (read-only)	\??\X:	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_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	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 1836	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	28
PID 944 wrote to memory of 1836	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	28
PID 944 wrote to memory of 1836	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	28
PID 944 wrote to memory of 1836	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	28
PID 944 wrote to memory of 2644	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	31
PID 944 wrote to memory of 2644	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	31
PID 944 wrote to memory of 2644	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	31
PID 944 wrote to memory of 2644	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	31
PID 944 wrote to memory of 2652	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	33
PID 944 wrote to memory of 2652	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	33
PID 944 wrote to memory of 2652	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	33
PID 944 wrote to memory of 2652	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	33
PID 944 wrote to memory of 1888	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	35
PID 944 wrote to memory of 1888	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	35
PID 944 wrote to memory of 1888	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	35
PID 944 wrote to memory of 1888	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	35
PID 944 wrote to memory of 2552	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	37
PID 944 wrote to memory of 2552	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	37
PID 944 wrote to memory of 2552	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	37
PID 944 wrote to memory of 2552	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	37
PID 944 wrote to memory of 2480	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	41
PID 944 wrote to memory of 2480	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	41
PID 944 wrote to memory of 2480	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	41
PID 944 wrote to memory of 2480	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	41
PID 944 wrote to memory of 2388	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	43
PID 944 wrote to memory of 2388	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	43
PID 944 wrote to memory of 2388	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	43
PID 944 wrote to memory of 2388	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	43
PID 944 wrote to memory of 2844	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	45
PID 944 wrote to memory of 2844	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	45
PID 944 wrote to memory of 2844	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	45
PID 944 wrote to memory of 2844	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	45
PID 944 wrote to memory of 1424	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	47
PID 944 wrote to memory of 1424	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	47
PID 944 wrote to memory of 1424	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	47
PID 944 wrote to memory of 1424	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	47
PID 944 wrote to memory of 1296	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	49
PID 944 wrote to memory of 1296	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	49
PID 944 wrote to memory of 1296	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	49
PID 944 wrote to memory of 1296	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	49
PID 944 wrote to memory of 2368	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	51
PID 944 wrote to memory of 2368	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	51
PID 944 wrote to memory of 2368	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	51
PID 944 wrote to memory of 2368	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	51
PID 944 wrote to memory of 784	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	53
PID 944 wrote to memory of 784	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	53
PID 944 wrote to memory of 784	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	53
PID 944 wrote to memory of 784	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	53
PID 944 wrote to memory of 620	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	55
PID 944 wrote to memory of 620	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	55
PID 944 wrote to memory of 620	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	55
PID 944 wrote to memory of 620	944	2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe	55

C:\Users\Admin\AppData\Local\Temp\2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_29aa5ae198f1873b3dc2bcd8fc192379_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:944
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1836
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2652
- 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:2552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2388
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1424
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2368
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:784
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:620

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/944-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/944-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download