gandcrab | 1aee797f916527ae78600fcbfc5d9233fcac7691916816cf462a9ddccf4f30bb

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
21/08/2023, 15:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
Size

250KB
MD5

5c13b433bfe1224a2ac0413702f6a009
SHA1

9d425dc6ca37ac2eb4e592b78c7cb713a986edd0
SHA256

1aee797f916527ae78600fcbfc5d9233fcac7691916816cf462a9ddccf4f30bb
SHA512

bd650c28cd51cf14229fd5dea1cd1540dedc6d11b4bfcd0470bbc338b1902ba24dbab719a37a7b78432385ab22f219319f1b9b09f065aa686d73f37b71590e5d
SSDEEP

6144:6+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:2OCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2372-57-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2372-59-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/2372-67-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2372-69-0x0000000000240000-0x0000000000257000-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\ogukwdokklu = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\gpueug.exe\""	5c13b433bfe1224a2ac0413702f6a009_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)	\??\I:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\J:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\W:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\X:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\Z:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\G:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\O:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\P:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\Q:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\S:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\V:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\E:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\H:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\L:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\R:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\T:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\U:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\Y:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\A:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\K:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\M:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\N:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
File opened (read-only)	\??\B:	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2864	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	28
PID 2372 wrote to memory of 2864	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	28
PID 2372 wrote to memory of 2864	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	28
PID 2372 wrote to memory of 2864	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	28
PID 2372 wrote to memory of 3068	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	30
PID 2372 wrote to memory of 3068	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	30
PID 2372 wrote to memory of 3068	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	30
PID 2372 wrote to memory of 3068	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	30
PID 2372 wrote to memory of 2884	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	34
PID 2372 wrote to memory of 2884	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	34
PID 2372 wrote to memory of 2884	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	34
PID 2372 wrote to memory of 2884	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	34
PID 2372 wrote to memory of 2724	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	36
PID 2372 wrote to memory of 2724	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	36
PID 2372 wrote to memory of 2724	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	36
PID 2372 wrote to memory of 2724	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	36
PID 2372 wrote to memory of 2784	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	38
PID 2372 wrote to memory of 2784	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	38
PID 2372 wrote to memory of 2784	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	38
PID 2372 wrote to memory of 2784	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	38
PID 2372 wrote to memory of 2296	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	40
PID 2372 wrote to memory of 2296	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	40
PID 2372 wrote to memory of 2296	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	40
PID 2372 wrote to memory of 2296	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	40
PID 2372 wrote to memory of 1304	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	42
PID 2372 wrote to memory of 1304	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	42
PID 2372 wrote to memory of 1304	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	42
PID 2372 wrote to memory of 1304	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	42
PID 2372 wrote to memory of 1468	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	44
PID 2372 wrote to memory of 1468	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	44
PID 2372 wrote to memory of 1468	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	44
PID 2372 wrote to memory of 1468	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	44
PID 2372 wrote to memory of 1928	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	46
PID 2372 wrote to memory of 1928	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	46
PID 2372 wrote to memory of 1928	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	46
PID 2372 wrote to memory of 1928	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	46
PID 2372 wrote to memory of 1092	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	48
PID 2372 wrote to memory of 1092	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	48
PID 2372 wrote to memory of 1092	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	48
PID 2372 wrote to memory of 1092	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	48
PID 2372 wrote to memory of 3040	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	50
PID 2372 wrote to memory of 3040	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	50
PID 2372 wrote to memory of 3040	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	50
PID 2372 wrote to memory of 3040	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	50
PID 2372 wrote to memory of 2224	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	52
PID 2372 wrote to memory of 2224	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	52
PID 2372 wrote to memory of 2224	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	52
PID 2372 wrote to memory of 2224	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	52
PID 2372 wrote to memory of 1216	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	54
PID 2372 wrote to memory of 1216	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	54
PID 2372 wrote to memory of 1216	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	54
PID 2372 wrote to memory of 1216	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	54
PID 2372 wrote to memory of 1704	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	56
PID 2372 wrote to memory of 1704	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	56
PID 2372 wrote to memory of 1704	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	56
PID 2372 wrote to memory of 1704	2372	5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe	56

C:\Users\Admin\AppData\Local\Temp\5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\5c13b433bfe1224a2ac0413702f6a009_mafia_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3068
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2884
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2784
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1304
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1704

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/2372-54-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2372-55-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2372-56-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2372-57-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2372-59-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/2372-66-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2372-67-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2372-69-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download