gandcrab | 8ae1f273d0e5b6e5040f451d727f1283b0e5e487bbb90dab5ea096221991eae9

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26/08/2023, 13:00

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General

Target

a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
Size

222KB
MD5

a0372ef1031cff9bd3d8b2acc1e4725a
SHA1

459c88a4dc35cf8e573c28e4f4f26864c7280033
SHA256

8ae1f273d0e5b6e5040f451d727f1283b0e5e487bbb90dab5ea096221991eae9
SHA512

24da5f5b2e687da6962fcc1d336dfcf640ef76d041b97b491c73c320439351133fd8e79a8496d4f936ec48e793f4c3ea58f386cc0357b058cc25a98da04c4e7c
SSDEEP

3072:pBbWxYKFDnqvffIj0nStxBN3cwqvcQr3YTfVEPnYbl3/YrDAEioKhAv/:pBkYKZSYYnS1xecmoT2nYbdEKs/

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2156-3-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/2156-5-0x00000000002F0000-0x0000000000307000-memory.dmp	family_gandcrab
behavioral1/memory/2156-13-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/2156-15-0x00000000002F0000-0x0000000000307000-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\vvhalxyizab = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\pbzpfg.exe\""	a0372ef1031cff9bd3d8b2acc1e4725a_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)	\??\O:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\Q:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\A:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\G:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\H:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\I:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\J:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\K:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\L:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\V:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\W:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\B:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\E:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\M:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\N:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\P:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\R:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\S:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\T:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\U:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\X:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\Y:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
File opened (read-only)	\??\Z:	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2184	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	28
PID 2156 wrote to memory of 2184	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	28
PID 2156 wrote to memory of 2184	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	28
PID 2156 wrote to memory of 2184	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	28
PID 2156 wrote to memory of 2852	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	32
PID 2156 wrote to memory of 2852	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	32
PID 2156 wrote to memory of 2852	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	32
PID 2156 wrote to memory of 2852	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	32
PID 2156 wrote to memory of 2972	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	34
PID 2156 wrote to memory of 2972	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	34
PID 2156 wrote to memory of 2972	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	34
PID 2156 wrote to memory of 2972	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	34
PID 2156 wrote to memory of 1960	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	36
PID 2156 wrote to memory of 1960	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	36
PID 2156 wrote to memory of 1960	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	36
PID 2156 wrote to memory of 1960	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	36
PID 2156 wrote to memory of 2456	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	38
PID 2156 wrote to memory of 2456	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	38
PID 2156 wrote to memory of 2456	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	38
PID 2156 wrote to memory of 2456	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	38
PID 2156 wrote to memory of 2896	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	40
PID 2156 wrote to memory of 2896	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	40
PID 2156 wrote to memory of 2896	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	40
PID 2156 wrote to memory of 2896	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	40
PID 2156 wrote to memory of 2268	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	42
PID 2156 wrote to memory of 2268	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	42
PID 2156 wrote to memory of 2268	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	42
PID 2156 wrote to memory of 2268	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	42
PID 2156 wrote to memory of 2816	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	44
PID 2156 wrote to memory of 2816	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	44
PID 2156 wrote to memory of 2816	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	44
PID 2156 wrote to memory of 2816	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	44
PID 2156 wrote to memory of 2736	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	46
PID 2156 wrote to memory of 2736	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	46
PID 2156 wrote to memory of 2736	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	46
PID 2156 wrote to memory of 2736	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	46
PID 2156 wrote to memory of 2308	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	48
PID 2156 wrote to memory of 2308	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	48
PID 2156 wrote to memory of 2308	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	48
PID 2156 wrote to memory of 2308	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	48
PID 2156 wrote to memory of 2568	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	50
PID 2156 wrote to memory of 2568	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	50
PID 2156 wrote to memory of 2568	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	50
PID 2156 wrote to memory of 2568	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	50
PID 2156 wrote to memory of 1012	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	52
PID 2156 wrote to memory of 1012	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	52
PID 2156 wrote to memory of 1012	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	52
PID 2156 wrote to memory of 1012	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	52
PID 2156 wrote to memory of 3064	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	54
PID 2156 wrote to memory of 3064	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	54
PID 2156 wrote to memory of 3064	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	54
PID 2156 wrote to memory of 3064	2156	a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe	54

C:\Users\Admin\AppData\Local\Temp\a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a0372ef1031cff9bd3d8b2acc1e4725a_mafia_JC.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2184
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2456
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2736
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2568
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3064

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/2156-0-0x0000000000230000-0x000000000024B000-memory.dmp

Filesize
108KB

Download
memory/2156-1-0x0000000000230000-0x000000000024B000-memory.dmp

Filesize
108KB

Download
memory/2156-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2156-3-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2156-5-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

Download
memory/2156-12-0x0000000000230000-0x000000000024B000-memory.dmp

Filesize
108KB

Download
memory/2156-13-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2156-15-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

Download