gandcrab | c6b4382f29d3906f732907b5673d5ce5373498279c20942374b1f180f4b70ce1

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
15/08/2023, 19:27

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General

Target

048cb225a11c893a85927060a02558c4_mafia_JC.exe
Size

300KB
MD5

048cb225a11c893a85927060a02558c4
SHA1

e89ba7393230ffba0043a85bd56334450a5f0604
SHA256

c6b4382f29d3906f732907b5673d5ce5373498279c20942374b1f180f4b70ce1
SHA512

f535649ab648fc68d5ec6ce6dc4dc5257966a17ebf979cec0362e42ba23c04946ddd455cdf1f3e4e380ab3fc4bc80b05b68f5680e676a8960921af5a9be2c90a
SSDEEP

6144:3vEANMO1UnseVgkV0xwvfxnhLTiusLe1740B:cuM0Unsna5mut40B

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1952-55-0x0000000000400000-0x0000000003B9B000-memory.dmp	family_gandcrab
behavioral1/memory/1952-56-0x00000000002C0000-0x00000000002D7000-memory.dmp	family_gandcrab
behavioral1/memory/1952-64-0x0000000000400000-0x0000000003B9B000-memory.dmp	family_gandcrab
behavioral1/memory/1952-65-0x00000000002C0000-0x00000000002D7000-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\tvwdbdmavpq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\tdvjeq.exe\""	048cb225a11c893a85927060a02558c4_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)	\??\S:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\T:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\U:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\W:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\A:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\I:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\M:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\E:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\Q:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\R:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\V:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\X:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\Z:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\B:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\J:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\N:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\L:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\O:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\P:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\Y:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\G:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\H:	048cb225a11c893a85927060a02558c4_mafia_JC.exe
File opened (read-only)	\??\K:	048cb225a11c893a85927060a02558c4_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe

Suspicious use of SetWindowsHookAW 64 IoCs

pid	Process
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe
1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2360	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	28
PID 1952 wrote to memory of 2360	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	28
PID 1952 wrote to memory of 2360	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	28
PID 1952 wrote to memory of 2360	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	28
PID 1952 wrote to memory of 2920	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	30
PID 1952 wrote to memory of 2920	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	30
PID 1952 wrote to memory of 2920	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	30
PID 1952 wrote to memory of 2920	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	30
PID 1952 wrote to memory of 2876	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	34
PID 1952 wrote to memory of 2876	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	34
PID 1952 wrote to memory of 2876	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	34
PID 1952 wrote to memory of 2876	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	34
PID 1952 wrote to memory of 2844	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	36
PID 1952 wrote to memory of 2844	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	36
PID 1952 wrote to memory of 2844	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	36
PID 1952 wrote to memory of 2844	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	36
PID 1952 wrote to memory of 2700	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	38
PID 1952 wrote to memory of 2700	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	38
PID 1952 wrote to memory of 2700	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	38
PID 1952 wrote to memory of 2700	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	38
PID 1952 wrote to memory of 2780	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	40
PID 1952 wrote to memory of 2780	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	40
PID 1952 wrote to memory of 2780	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	40
PID 1952 wrote to memory of 2780	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	40
PID 1952 wrote to memory of 2564	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	42
PID 1952 wrote to memory of 2564	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	42
PID 1952 wrote to memory of 2564	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	42
PID 1952 wrote to memory of 2564	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	42
PID 1952 wrote to memory of 1452	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	44
PID 1952 wrote to memory of 1452	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	44
PID 1952 wrote to memory of 1452	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	44
PID 1952 wrote to memory of 1452	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	44
PID 1952 wrote to memory of 1520	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	46
PID 1952 wrote to memory of 1520	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	46
PID 1952 wrote to memory of 1520	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	46
PID 1952 wrote to memory of 1520	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	46
PID 1952 wrote to memory of 2392	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	48
PID 1952 wrote to memory of 2392	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	48
PID 1952 wrote to memory of 2392	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	48
PID 1952 wrote to memory of 2392	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	48
PID 1952 wrote to memory of 864	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	50
PID 1952 wrote to memory of 864	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	50
PID 1952 wrote to memory of 864	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	50
PID 1952 wrote to memory of 864	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	50
PID 1952 wrote to memory of 3028	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	52
PID 1952 wrote to memory of 3028	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	52
PID 1952 wrote to memory of 3028	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	52
PID 1952 wrote to memory of 3028	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	52
PID 1952 wrote to memory of 2640	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	54
PID 1952 wrote to memory of 2640	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	54
PID 1952 wrote to memory of 2640	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	54
PID 1952 wrote to memory of 2640	1952	048cb225a11c893a85927060a02558c4_mafia_JC.exe	54

C:\Users\Admin\AppData\Local\Temp\048cb225a11c893a85927060a02558c4_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\048cb225a11c893a85927060a02558c4_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:1952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1452
- 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:2392
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:3028
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2640

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/1952-54-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1952-55-0x0000000000400000-0x0000000003B9B000-memory.dmp

Filesize
55.6MB

Download
memory/1952-56-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download
memory/1952-63-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1952-64-0x0000000000400000-0x0000000003B9B000-memory.dmp

Filesize
55.6MB

Download
memory/1952-65-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download