gandcrab | a1480550c05f2d7f4a1814473f40b874200188c4848a1b6a1381ef0b00abe6e8

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21-08-2023 17:41

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General

Target

6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
Size

250KB
MD5

6374ecaf741f61dd914936d0249b875b
SHA1

436cd06e3d6508d74ecf8616d0f51cbe78e8fe5a
SHA256

a1480550c05f2d7f4a1814473f40b874200188c4848a1b6a1381ef0b00abe6e8
SHA512

7b44e45ad6b3cd9bf78e44877de936fff98e987d320a1854ca599c41cb2f80ce140415349637eace735975bf2b30c123e78fa2d3c8a50813d185287f94560813
SSDEEP

3072:w/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:w/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2596-57-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2596-58-0x00000000003B0000-0x00000000003C7000-memory.dmp	family_gandcrab
behavioral1/memory/2596-66-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2596-68-0x00000000003B0000-0x00000000003C7000-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\ngkezfmmyom = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\uvqzyk.exe\""	6374ecaf741f61dd914936d0249b875b_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)	\??\M:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\Q:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\R:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\Z:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\A:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\K:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\L:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\N:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\O:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\P:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\T:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\W:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\B:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\E:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\H:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\X:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\G:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\I:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\J:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\S:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\U:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\V:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
File opened (read-only)	\??\Y:	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2792	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	28
PID 2596 wrote to memory of 2792	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	28
PID 2596 wrote to memory of 2792	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	28
PID 2596 wrote to memory of 2792	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	28
PID 2596 wrote to memory of 3036	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	30
PID 2596 wrote to memory of 3036	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	30
PID 2596 wrote to memory of 3036	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	30
PID 2596 wrote to memory of 3036	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	30
PID 2596 wrote to memory of 2764	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	34
PID 2596 wrote to memory of 2764	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	34
PID 2596 wrote to memory of 2764	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	34
PID 2596 wrote to memory of 2764	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	34
PID 2596 wrote to memory of 2684	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	36
PID 2596 wrote to memory of 2684	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	36
PID 2596 wrote to memory of 2684	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	36
PID 2596 wrote to memory of 2684	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	36
PID 2596 wrote to memory of 2192	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	38
PID 2596 wrote to memory of 2192	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	38
PID 2596 wrote to memory of 2192	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	38
PID 2596 wrote to memory of 2192	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	38
PID 2596 wrote to memory of 1580	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	40
PID 2596 wrote to memory of 1580	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	40
PID 2596 wrote to memory of 1580	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	40
PID 2596 wrote to memory of 1580	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	40
PID 2596 wrote to memory of 268	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	42
PID 2596 wrote to memory of 268	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	42
PID 2596 wrote to memory of 268	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	42
PID 2596 wrote to memory of 268	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	42
PID 2596 wrote to memory of 1624	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	44
PID 2596 wrote to memory of 1624	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	44
PID 2596 wrote to memory of 1624	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	44
PID 2596 wrote to memory of 1624	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	44
PID 2596 wrote to memory of 1476	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	46
PID 2596 wrote to memory of 1476	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	46
PID 2596 wrote to memory of 1476	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	46
PID 2596 wrote to memory of 1476	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	46
PID 2596 wrote to memory of 1768	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	48
PID 2596 wrote to memory of 1768	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	48
PID 2596 wrote to memory of 1768	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	48
PID 2596 wrote to memory of 1768	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	48
PID 2596 wrote to memory of 2740	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	50
PID 2596 wrote to memory of 2740	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	50
PID 2596 wrote to memory of 2740	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	50
PID 2596 wrote to memory of 2740	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	50
PID 2596 wrote to memory of 2560	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	52
PID 2596 wrote to memory of 2560	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	52
PID 2596 wrote to memory of 2560	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	52
PID 2596 wrote to memory of 2560	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	52
PID 2596 wrote to memory of 2940	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	54
PID 2596 wrote to memory of 2940	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	54
PID 2596 wrote to memory of 2940	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	54
PID 2596 wrote to memory of 2940	2596	6374ecaf741f61dd914936d0249b875b_mafia_JC.exe	54

C:\Users\Admin\AppData\Local\Temp\6374ecaf741f61dd914936d0249b875b_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\6374ecaf741f61dd914936d0249b875b_mafia_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2764
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2684
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2192
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1476
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1768
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2740
- 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:2940

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/2596-55-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2596-56-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-57-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-58-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download
memory/2596-65-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2596-66-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2596-68-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download