gandcrab | addd9c5492926e8a3b78283947592c7b983522e8ae441cb5fc4ef9bc0bf25263

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 21:33

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General

Target

2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
Size

351KB
MD5

4ce5ffa381cc90c8f1bf19a8337b865a
SHA1

434125b3c225b27db52cdf7c05d2f90b76307f54
SHA256

addd9c5492926e8a3b78283947592c7b983522e8ae441cb5fc4ef9bc0bf25263
SHA512

d35d1bd7b3862cefaf785306aa923c5ab5cf2d0835cb3c27c9f585303d0060bc29b7a813abe7584ed7191c3bb22f53f7b743c7d00605c38edac9103545d5584f
SSDEEP

3072:bpNMs+Kr1wbWGjl0xjsNNeVKBNVBxKT46xl+wndfIQQOaC3QBn7/hsb2BhGZ1/Nb:bpNMsLWEjsXjBATRpuuwnGD/Nj6a

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1320-3-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1320-4-0x00000000003A0000-0x00000000003B7000-memory.dmp	family_gandcrab
behavioral1/memory/1320-11-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1320-14-0x00000000003A0000-0x00000000003B7000-memory.dmp	family_gandcrab

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

Detects Reflective DLL injection artifacts 4 IoCs

resource	yara_rule
behavioral1/memory/1320-3-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1320-4-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1320-11-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1320-14-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1320-4-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1320-14-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1320-3-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1320-4-0x00000000003A0000-0x00000000003B7000-memory.dmp	Gandcrab
behavioral1/memory/1320-11-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1320-14-0x00000000003A0000-0x00000000003B7000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\sbrclhzkasj = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\wooblg.exe\""	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.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:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\S:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\X:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\Y:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\J:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\L:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\N:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\U:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\A:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\E:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\M:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\Q:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\V:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\G:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\H:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\K:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\O:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\P:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\T:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\W:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\Z:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\B:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
File opened (read-only)	\??\I:	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.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	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2836	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	28
PID 1320 wrote to memory of 2836	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	28
PID 1320 wrote to memory of 2836	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	28
PID 1320 wrote to memory of 2836	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	28
PID 1320 wrote to memory of 2728	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	30
PID 1320 wrote to memory of 2728	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	30
PID 1320 wrote to memory of 2728	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	30
PID 1320 wrote to memory of 2728	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	30
PID 1320 wrote to memory of 2928	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	32
PID 1320 wrote to memory of 2928	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	32
PID 1320 wrote to memory of 2928	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	32
PID 1320 wrote to memory of 2928	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	32
PID 1320 wrote to memory of 2664	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	34
PID 1320 wrote to memory of 2664	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	34
PID 1320 wrote to memory of 2664	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	34
PID 1320 wrote to memory of 2664	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	34
PID 1320 wrote to memory of 2724	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	36
PID 1320 wrote to memory of 2724	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	36
PID 1320 wrote to memory of 2724	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	36
PID 1320 wrote to memory of 2724	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	36
PID 1320 wrote to memory of 2584	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	38
PID 1320 wrote to memory of 2584	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	38
PID 1320 wrote to memory of 2584	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	38
PID 1320 wrote to memory of 2584	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	38
PID 1320 wrote to memory of 900	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	42
PID 1320 wrote to memory of 900	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	42
PID 1320 wrote to memory of 900	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	42
PID 1320 wrote to memory of 900	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	42
PID 1320 wrote to memory of 2016	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	44
PID 1320 wrote to memory of 2016	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	44
PID 1320 wrote to memory of 2016	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	44
PID 1320 wrote to memory of 2016	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	44
PID 1320 wrote to memory of 1228	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	46
PID 1320 wrote to memory of 1228	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	46
PID 1320 wrote to memory of 1228	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	46
PID 1320 wrote to memory of 1228	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	46
PID 1320 wrote to memory of 840	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	48
PID 1320 wrote to memory of 840	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	48
PID 1320 wrote to memory of 840	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	48
PID 1320 wrote to memory of 840	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	48
PID 1320 wrote to memory of 844	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	50
PID 1320 wrote to memory of 844	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	50
PID 1320 wrote to memory of 844	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	50
PID 1320 wrote to memory of 844	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	50
PID 1320 wrote to memory of 1332	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	52
PID 1320 wrote to memory of 1332	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	52
PID 1320 wrote to memory of 1332	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	52
PID 1320 wrote to memory of 1332	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	52
PID 1320 wrote to memory of 1520	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	54
PID 1320 wrote to memory of 1520	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	54
PID 1320 wrote to memory of 1520	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	54
PID 1320 wrote to memory of 1520	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	54
PID 1320 wrote to memory of 2108	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	56
PID 1320 wrote to memory of 2108	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	56
PID 1320 wrote to memory of 2108	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	56
PID 1320 wrote to memory of 2108	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	56
PID 1320 wrote to memory of 1112	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	58
PID 1320 wrote to memory of 1112	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	58
PID 1320 wrote to memory of 1112	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	58
PID 1320 wrote to memory of 1112	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	58
PID 1320 wrote to memory of 2560	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	60
PID 1320 wrote to memory of 2560	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	60
PID 1320 wrote to memory of 2560	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	60
PID 1320 wrote to memory of 2560	1320	2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_4ce5ffa381cc90c8f1bf19a8337b865a_mafia.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2836
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2728
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:900
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1228
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:840
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1780
- 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:2128
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1376
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1048
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:688

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/1320-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1320-2-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1320-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1320-4-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download
memory/1320-11-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1320-12-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1320-14-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download