gandcrab | fdc466475c9e702d73a31a740be14066fb220d8dd8b7888b21f161a4ab237ef1

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-08-2023 18:16

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General

Target

88008879360d79106c8cdbd409b3950f_mafia_JC.exe
Size

319KB
MD5

88008879360d79106c8cdbd409b3950f
SHA1

c8c7fd30690eba3d7de98f520bf567e33447aafb
SHA256

fdc466475c9e702d73a31a740be14066fb220d8dd8b7888b21f161a4ab237ef1
SHA512

e90e64e8edf1e95efb9d53a895e791cc6fe89037045067f55732cc4b121408690243bcc407c1d4811379e24aa74717f2bf45e8def1ff313fd96a77f34214dcb8
SSDEEP

3072:/LFqoITs8+GgzXKhp6vFcBNTjbL617AL6MfUL1OeV7LGyH0Bme3BdcpFbMT9O:/LFAYz7z6hp2W1L61ALCOk7LhdeROuO

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2532-1-0x0000000000400000-0x0000000004B6E000-memory.dmp	family_gandcrab
behavioral1/memory/2532-3-0x0000000000270000-0x0000000000287000-memory.dmp	family_gandcrab
behavioral1/memory/2532-11-0x0000000000400000-0x0000000004B6E000-memory.dmp	family_gandcrab
behavioral1/memory/2532-12-0x0000000000270000-0x0000000000287000-memory.dmp	family_gandcrab

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

Unexpected DNS network traffic destination 64 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67
Destination IP	35.205.61.67

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\hsyoydjcqcl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\mbzebv.exe\""	88008879360d79106c8cdbd409b3950f_mafia_JC.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)	\??\B:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\L:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\Z:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\E:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\H:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\M:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\Q:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\U:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\S:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\A:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\I:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\J:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\N:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\O:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\V:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\W:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\X:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\G:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\K:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\P:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\R:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\T:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
File opened (read-only)	\??\Y:	88008879360d79106c8cdbd409b3950f_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe

Suspicious use of SetWindowsHookAW 64 IoCs

pid	Process
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe
2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2992	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	28
PID 2532 wrote to memory of 2992	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	28
PID 2532 wrote to memory of 2992	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	28
PID 2532 wrote to memory of 2992	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	28
PID 2532 wrote to memory of 2940	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	30
PID 2532 wrote to memory of 2940	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	30
PID 2532 wrote to memory of 2940	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	30
PID 2532 wrote to memory of 2940	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	30
PID 2532 wrote to memory of 2780	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	34
PID 2532 wrote to memory of 2780	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	34
PID 2532 wrote to memory of 2780	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	34
PID 2532 wrote to memory of 2780	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	34
PID 2532 wrote to memory of 2756	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	36
PID 2532 wrote to memory of 2756	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	36
PID 2532 wrote to memory of 2756	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	36
PID 2532 wrote to memory of 2756	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	36
PID 2532 wrote to memory of 2480	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	38
PID 2532 wrote to memory of 2480	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	38
PID 2532 wrote to memory of 2480	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	38
PID 2532 wrote to memory of 2480	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	38
PID 2532 wrote to memory of 2500	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	40
PID 2532 wrote to memory of 2500	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	40
PID 2532 wrote to memory of 2500	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	40
PID 2532 wrote to memory of 2500	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	40
PID 2532 wrote to memory of 1200	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	42
PID 2532 wrote to memory of 1200	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	42
PID 2532 wrote to memory of 1200	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	42
PID 2532 wrote to memory of 1200	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	42
PID 2532 wrote to memory of 1948	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	44
PID 2532 wrote to memory of 1948	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	44
PID 2532 wrote to memory of 1948	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	44
PID 2532 wrote to memory of 1948	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	44
PID 2532 wrote to memory of 2292	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	46
PID 2532 wrote to memory of 2292	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	46
PID 2532 wrote to memory of 2292	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	46
PID 2532 wrote to memory of 2292	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	46
PID 2532 wrote to memory of 2164	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	48
PID 2532 wrote to memory of 2164	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	48
PID 2532 wrote to memory of 2164	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	48
PID 2532 wrote to memory of 2164	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	48
PID 2532 wrote to memory of 308	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	50
PID 2532 wrote to memory of 308	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	50
PID 2532 wrote to memory of 308	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	50
PID 2532 wrote to memory of 308	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	50
PID 2532 wrote to memory of 2092	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	52
PID 2532 wrote to memory of 2092	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	52
PID 2532 wrote to memory of 2092	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	52
PID 2532 wrote to memory of 2092	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	52
PID 2532 wrote to memory of 1936	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	54
PID 2532 wrote to memory of 1936	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	54
PID 2532 wrote to memory of 1936	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	54
PID 2532 wrote to memory of 1936	2532	88008879360d79106c8cdbd409b3950f_mafia_JC.exe	54

C:\Users\Admin\AppData\Local\Temp\88008879360d79106c8cdbd409b3950f_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\88008879360d79106c8cdbd409b3950f_mafia_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookAW
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2500
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1200
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2292
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2164
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1936

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/2532-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2532-1-0x0000000000400000-0x0000000004B6E000-memory.dmp

Filesize
71.4MB

Download
memory/2532-3-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download
memory/2532-10-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2532-11-0x0000000000400000-0x0000000004B6E000-memory.dmp

Filesize
71.4MB

Download
memory/2532-12-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download