gandcrab | 9d041c12dcd737b4a60f157f72a71b0b786edf0b37371f0fba83d6d98600b524

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 01:08

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General

Target

48ffdc6d59de64ee3d66622cc623f53d.exe
Size

308KB
MD5

48ffdc6d59de64ee3d66622cc623f53d
SHA1

dca41c5f4d2e014161ac4970a8a8d592139d9252
SHA256

9d041c12dcd737b4a60f157f72a71b0b786edf0b37371f0fba83d6d98600b524
SHA512

8015720bda2a1400240b072b988e8b59a1cd98d430eb3e902fea54806093cec326fba40a49454c4a4a918eff7a420ca0331aef194979f79bee1fbe53ad278ebf
SSDEEP

6144:9zL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:zDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1844-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1844-4-0x00000000001B0000-0x00000000001C7000-memory.dmp	family_gandcrab
behavioral1/memory/1844-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1844-14-0x00000000001B0000-0x00000000001C7000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor 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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wuhjyljwphe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\mpnhql.exe\""	48ffdc6d59de64ee3d66622cc623f53d.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)	\??\A:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\E:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\G:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\J:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\R:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\U:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\M:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\O:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\P:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\T:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\V:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\Z:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\B:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\L:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\X:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\Y:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\H:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\I:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\K:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\N:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\Q:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\S:	48ffdc6d59de64ee3d66622cc623f53d.exe
File opened (read-only)	\??\W:	48ffdc6d59de64ee3d66622cc623f53d.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	48ffdc6d59de64ee3d66622cc623f53d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	48ffdc6d59de64ee3d66622cc623f53d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	48ffdc6d59de64ee3d66622cc623f53d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1844	48ffdc6d59de64ee3d66622cc623f53d.exe
1844	48ffdc6d59de64ee3d66622cc623f53d.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 2460	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	28
PID 1844 wrote to memory of 2460	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	28
PID 1844 wrote to memory of 2460	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	28
PID 1844 wrote to memory of 2460	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	28
PID 1844 wrote to memory of 2456	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	30
PID 1844 wrote to memory of 2456	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	30
PID 1844 wrote to memory of 2456	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	30
PID 1844 wrote to memory of 2456	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	30
PID 1844 wrote to memory of 2468	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	32
PID 1844 wrote to memory of 2468	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	32
PID 1844 wrote to memory of 2468	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	32
PID 1844 wrote to memory of 2468	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	32
PID 1844 wrote to memory of 2520	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	34
PID 1844 wrote to memory of 2520	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	34
PID 1844 wrote to memory of 2520	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	34
PID 1844 wrote to memory of 2520	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	34
PID 1844 wrote to memory of 2404	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	36
PID 1844 wrote to memory of 2404	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	36
PID 1844 wrote to memory of 2404	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	36
PID 1844 wrote to memory of 2404	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	36
PID 1844 wrote to memory of 2192	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	38
PID 1844 wrote to memory of 2192	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	38
PID 1844 wrote to memory of 2192	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	38
PID 1844 wrote to memory of 2192	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	38
PID 1844 wrote to memory of 1324	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	40
PID 1844 wrote to memory of 1324	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	40
PID 1844 wrote to memory of 1324	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	40
PID 1844 wrote to memory of 1324	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	40
PID 1844 wrote to memory of 1604	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	44
PID 1844 wrote to memory of 1604	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	44
PID 1844 wrote to memory of 1604	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	44
PID 1844 wrote to memory of 1604	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	44
PID 1844 wrote to memory of 1708	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	46
PID 1844 wrote to memory of 1708	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	46
PID 1844 wrote to memory of 1708	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	46
PID 1844 wrote to memory of 1708	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	46
PID 1844 wrote to memory of 1740	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	48
PID 1844 wrote to memory of 1740	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	48
PID 1844 wrote to memory of 1740	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	48
PID 1844 wrote to memory of 1740	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	48
PID 1844 wrote to memory of 2036	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	50
PID 1844 wrote to memory of 2036	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	50
PID 1844 wrote to memory of 2036	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	50
PID 1844 wrote to memory of 2036	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	50
PID 1844 wrote to memory of 2800	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	52
PID 1844 wrote to memory of 2800	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	52
PID 1844 wrote to memory of 2800	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	52
PID 1844 wrote to memory of 2800	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	52
PID 1844 wrote to memory of 3052	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	54
PID 1844 wrote to memory of 3052	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	54
PID 1844 wrote to memory of 3052	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	54
PID 1844 wrote to memory of 3052	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	54
PID 1844 wrote to memory of 1888	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	56
PID 1844 wrote to memory of 1888	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	56
PID 1844 wrote to memory of 1888	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	56
PID 1844 wrote to memory of 1888	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	56
PID 1844 wrote to memory of 268	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	58
PID 1844 wrote to memory of 268	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	58
PID 1844 wrote to memory of 268	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	58
PID 1844 wrote to memory of 268	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	58
PID 1844 wrote to memory of 952	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	60
PID 1844 wrote to memory of 952	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	60
PID 1844 wrote to memory of 952	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	60
PID 1844 wrote to memory of 952	1844	48ffdc6d59de64ee3d66622cc623f53d.exe	60

C:\Users\Admin\AppData\Local\Temp\48ffdc6d59de64ee3d66622cc623f53d.exe
"C:\Users\Admin\AppData\Local\Temp\48ffdc6d59de64ee3d66622cc623f53d.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2456
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2404
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2192
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1324
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:604

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/1844-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1844-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1844-4-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/1844-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1844-13-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1844-14-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download