gandcrab | cd5bce3b1ac39ab6987738dbabe15a7df2fc6a68fa4eafffda89b2525e42001f

Analysis

max time kernel
142s
max time network
142s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 07:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
Size

145KB
MD5

7dcc8fde60c9cddbfe53554dda0e004b
SHA1

cc9e886e7d57f4c996ce7bd94c0cc49c56381e23
SHA256

cd5bce3b1ac39ab6987738dbabe15a7df2fc6a68fa4eafffda89b2525e42001f
SHA512

41251f209c8efcb716c07bf4f4fcf3dead35a74360f0b7df004b2e29772819c19f3f037afdc80f94cfafcc15faa98cd111bca55720546a84d3224998a74b6408
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/2984-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/2984-4-0x0000000000400000-0x0000000000428000-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/2984-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2984-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2984-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral1/memory/2984-4-0x0000000000400000-0x0000000000428000-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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\opmolganzrd = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe"	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_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)	\??\R:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\W:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\X:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\H:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\I:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\M:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\O:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\P:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\Y:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\B:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\J:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\L:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\V:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\K:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\N:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\S:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\T:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\U:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\A:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\E:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\G:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\Q:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
File opened (read-only)	\??\Z:	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_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	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 1152	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	28
PID 2984 wrote to memory of 1152	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	28
PID 2984 wrote to memory of 1152	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	28
PID 2984 wrote to memory of 1152	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	28
PID 2984 wrote to memory of 2628	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	31
PID 2984 wrote to memory of 2628	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	31
PID 2984 wrote to memory of 2628	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	31
PID 2984 wrote to memory of 2628	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	31
PID 2984 wrote to memory of 2548	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	33
PID 2984 wrote to memory of 2548	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	33
PID 2984 wrote to memory of 2548	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	33
PID 2984 wrote to memory of 2548	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	33
PID 2984 wrote to memory of 2520	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	35
PID 2984 wrote to memory of 2520	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	35
PID 2984 wrote to memory of 2520	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	35
PID 2984 wrote to memory of 2520	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	35
PID 2984 wrote to memory of 3032	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	37
PID 2984 wrote to memory of 3032	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	37
PID 2984 wrote to memory of 3032	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	37
PID 2984 wrote to memory of 3032	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	37
PID 2984 wrote to memory of 2892	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	41
PID 2984 wrote to memory of 2892	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	41
PID 2984 wrote to memory of 2892	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	41
PID 2984 wrote to memory of 2892	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	41
PID 2984 wrote to memory of 1616	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	43
PID 2984 wrote to memory of 1616	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	43
PID 2984 wrote to memory of 1616	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	43
PID 2984 wrote to memory of 1616	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	43
PID 2984 wrote to memory of 1056	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	45
PID 2984 wrote to memory of 1056	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	45
PID 2984 wrote to memory of 1056	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	45
PID 2984 wrote to memory of 1056	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	45
PID 2984 wrote to memory of 1552	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	47
PID 2984 wrote to memory of 1552	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	47
PID 2984 wrote to memory of 1552	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	47
PID 2984 wrote to memory of 1552	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	47
PID 2984 wrote to memory of 3012	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	49
PID 2984 wrote to memory of 3012	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	49
PID 2984 wrote to memory of 3012	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	49
PID 2984 wrote to memory of 3012	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	49
PID 2984 wrote to memory of 2076	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	51
PID 2984 wrote to memory of 2076	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	51
PID 2984 wrote to memory of 2076	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	51
PID 2984 wrote to memory of 2076	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	51
PID 2984 wrote to memory of 2876	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	53
PID 2984 wrote to memory of 2876	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	53
PID 2984 wrote to memory of 2876	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	53
PID 2984 wrote to memory of 2876	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	53
PID 2984 wrote to memory of 988	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	55
PID 2984 wrote to memory of 988	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	55
PID 2984 wrote to memory of 988	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	55
PID 2984 wrote to memory of 988	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	55
PID 2984 wrote to memory of 2860	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	57
PID 2984 wrote to memory of 2860	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	57
PID 2984 wrote to memory of 2860	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	57
PID 2984 wrote to memory of 2860	2984	2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe	57

C:\Users\Admin\AppData\Local\Temp\2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_7dcc8fde60c9cddbfe53554dda0e004b_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:2984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2076
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:988
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2860

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/2984-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2984-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download