gandcrab | 7fc190af58c2e822bde01e6d060b86786a48369a8cf91f9597a97f084e69b4fe

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
20/08/2023, 09:39

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General

Target

4d68af658556a211d563a85703a4ee77_mafia_JC.exe
Size

281KB
MD5

4d68af658556a211d563a85703a4ee77
SHA1

4f3b8fe354cfbe6c05b6b20c18cba8ec782eaa3d
SHA256

7fc190af58c2e822bde01e6d060b86786a48369a8cf91f9597a97f084e69b4fe
SHA512

5e45eae361c49a6ce1aa991164a513a9b9e90fc2da33cd981410583703a1821c04e983dcbb68b95ed63d21e7b1fe520c3feac435a7af7cbd4ae7af42e4f335e9
SSDEEP

6144:ZVoWkJntgizTULdAa7sumOVgibHVyKurXXgENi73LGJa:Z4ntD/U5a/tAArXXLNmKJa

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2488-57-0x0000000000400000-0x0000000000445000-memory.dmp	family_gandcrab
behavioral1/memory/2488-58-0x0000000000330000-0x0000000000347000-memory.dmp	family_gandcrab
behavioral1/memory/2488-66-0x0000000000400000-0x0000000000445000-memory.dmp	family_gandcrab
behavioral1/memory/2488-68-0x0000000000330000-0x0000000000347000-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\kzzbqlxdsca = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\odlmto.exe\""	4d68af658556a211d563a85703a4ee77_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)	\??\H:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\Q:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\S:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\A:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\G:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\I:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\L:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\M:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\N:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\Y:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\B:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\J:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\O:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\T:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\V:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\Z:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\E:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\K:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\P:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\R:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\U:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\W:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
File opened (read-only)	\??\X:	4d68af658556a211d563a85703a4ee77_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe
2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1348	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	28
PID 2488 wrote to memory of 1348	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	28
PID 2488 wrote to memory of 1348	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	28
PID 2488 wrote to memory of 1348	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	28
PID 2488 wrote to memory of 2948	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	30
PID 2488 wrote to memory of 2948	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	30
PID 2488 wrote to memory of 2948	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	30
PID 2488 wrote to memory of 2948	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	30
PID 2488 wrote to memory of 2980	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	34
PID 2488 wrote to memory of 2980	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	34
PID 2488 wrote to memory of 2980	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	34
PID 2488 wrote to memory of 2980	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	34
PID 2488 wrote to memory of 2908	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	36
PID 2488 wrote to memory of 2908	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	36
PID 2488 wrote to memory of 2908	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	36
PID 2488 wrote to memory of 2908	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	36
PID 2488 wrote to memory of 2740	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	38
PID 2488 wrote to memory of 2740	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	38
PID 2488 wrote to memory of 2740	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	38
PID 2488 wrote to memory of 2740	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	38
PID 2488 wrote to memory of 2804	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	40
PID 2488 wrote to memory of 2804	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	40
PID 2488 wrote to memory of 2804	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	40
PID 2488 wrote to memory of 2804	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	40
PID 2488 wrote to memory of 1640	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	42
PID 2488 wrote to memory of 1640	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	42
PID 2488 wrote to memory of 1640	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	42
PID 2488 wrote to memory of 1640	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	42
PID 2488 wrote to memory of 600	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	44
PID 2488 wrote to memory of 600	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	44
PID 2488 wrote to memory of 600	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	44
PID 2488 wrote to memory of 600	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	44
PID 2488 wrote to memory of 992	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	46
PID 2488 wrote to memory of 992	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	46
PID 2488 wrote to memory of 992	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	46
PID 2488 wrote to memory of 992	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	46
PID 2488 wrote to memory of 2720	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	48
PID 2488 wrote to memory of 2720	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	48
PID 2488 wrote to memory of 2720	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	48
PID 2488 wrote to memory of 2720	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	48
PID 2488 wrote to memory of 1572	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	50
PID 2488 wrote to memory of 1572	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	50
PID 2488 wrote to memory of 1572	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	50
PID 2488 wrote to memory of 1572	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	50
PID 2488 wrote to memory of 2092	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	52
PID 2488 wrote to memory of 2092	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	52
PID 2488 wrote to memory of 2092	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	52
PID 2488 wrote to memory of 2092	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	52
PID 2488 wrote to memory of 2808	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	54
PID 2488 wrote to memory of 2808	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	54
PID 2488 wrote to memory of 2808	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	54
PID 2488 wrote to memory of 2808	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	54
PID 2488 wrote to memory of 2724	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	56
PID 2488 wrote to memory of 2724	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	56
PID 2488 wrote to memory of 2724	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	56
PID 2488 wrote to memory of 2724	2488	4d68af658556a211d563a85703a4ee77_mafia_JC.exe	56

C:\Users\Admin\AppData\Local\Temp\4d68af658556a211d563a85703a4ee77_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\4d68af658556a211d563a85703a4ee77_mafia_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1348
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2980
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2908
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1572
- 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:2808
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2724

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/2488-55-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2488-56-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-57-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-58-0x0000000000330000-0x0000000000347000-memory.dmp

Filesize
92KB

Download
memory/2488-65-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2488-66-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-68-0x0000000000330000-0x0000000000347000-memory.dmp

Filesize
92KB

Download