gandcrab | ddd9cfae3edfa9b14f4956b467c17751d1220a236a2bb8ec5f824f77d15fe0c2

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 20:37

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General

Target

2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
Size

145KB
MD5

4df8585492cf7aac125746fde9a65151
SHA1

60b45901d89eb9704ddd375b87142d1496ccab11
SHA256

ddd9cfae3edfa9b14f4956b467c17751d1220a236a2bb8ec5f824f77d15fe0c2
SHA512

a3ddcc3df89ea10d73192b0de3b0ee5bc35000c872f075a2d6c5b8b30b8a2ade66a12337b60ee63a6873e65ff600d1c6f2ae96f97f68004a2d0f5c71a24b5d85
SSDEEP

3072:1YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:1yOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/1492-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/1492-4-0x0000000000400000-0x0000000000428000-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
behavioral2/memory/1492-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/1492-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1492-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/1492-4-0x0000000000400000-0x0000000000428000-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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\dqpfbdczari = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe"	2024-02-27_4df8585492cf7aac125746fde9a65151_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)	\??\P:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\T:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\U:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\W:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\K:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\O:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\I:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\N:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\R:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\Y:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\A:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\B:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\H:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\J:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\L:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\M:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\Q:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\S:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\E:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\G:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\Z:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\V:	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
File opened (read-only)	\??\X:	2024-02-27_4df8585492cf7aac125746fde9a65151_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	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 4448	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	93
PID 1492 wrote to memory of 4448	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	93
PID 1492 wrote to memory of 4448	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	93
PID 1492 wrote to memory of 3524	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	97
PID 1492 wrote to memory of 3524	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	97
PID 1492 wrote to memory of 3524	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	97
PID 1492 wrote to memory of 3056	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	99
PID 1492 wrote to memory of 3056	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	99
PID 1492 wrote to memory of 3056	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	99
PID 1492 wrote to memory of 4032	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	104
PID 1492 wrote to memory of 4032	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	104
PID 1492 wrote to memory of 4032	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	104
PID 1492 wrote to memory of 2532	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	106
PID 1492 wrote to memory of 2532	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	106
PID 1492 wrote to memory of 2532	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	106
PID 1492 wrote to memory of 2388	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	108
PID 1492 wrote to memory of 2388	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	108
PID 1492 wrote to memory of 2388	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	108
PID 1492 wrote to memory of 2620	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	110
PID 1492 wrote to memory of 2620	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	110
PID 1492 wrote to memory of 2620	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	110
PID 1492 wrote to memory of 3888	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	112
PID 1492 wrote to memory of 3888	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	112
PID 1492 wrote to memory of 3888	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	112
PID 1492 wrote to memory of 4016	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	114
PID 1492 wrote to memory of 4016	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	114
PID 1492 wrote to memory of 4016	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	114
PID 1492 wrote to memory of 4992	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	116
PID 1492 wrote to memory of 4992	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	116
PID 1492 wrote to memory of 4992	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	116
PID 1492 wrote to memory of 984	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	118
PID 1492 wrote to memory of 984	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	118
PID 1492 wrote to memory of 984	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	118
PID 1492 wrote to memory of 3536	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	120
PID 1492 wrote to memory of 3536	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	120
PID 1492 wrote to memory of 3536	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	120
PID 1492 wrote to memory of 1920	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	122
PID 1492 wrote to memory of 1920	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	122
PID 1492 wrote to memory of 1920	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	122
PID 1492 wrote to memory of 3132	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	124
PID 1492 wrote to memory of 3132	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	124
PID 1492 wrote to memory of 3132	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	124
PID 1492 wrote to memory of 3672	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	126
PID 1492 wrote to memory of 3672	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	126
PID 1492 wrote to memory of 3672	1492	2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe	126

C:\Users\Admin\AppData\Local\Temp\2024-02-27_4df8585492cf7aac125746fde9a65151_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-27_4df8585492cf7aac125746fde9a65151_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:1492
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3524
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2388
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3132
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3672

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

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Downloads

memory/1492-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download