gandcrab | 0a6477d95634ce6b0a54e83e67af5f7c18db96d74fb064b64470a514b447e410

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 06:42

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General

Target

2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
Size

250KB
MD5

792957f64570c0e2cb505aaf694d034d
SHA1

6b4a8133714be5d8ea4c2bb2003a737fc6b8b329
SHA256

0a6477d95634ce6b0a54e83e67af5f7c18db96d74fb064b64470a514b447e410
SHA512

e0265295e03466f8c5bda2e990b7dfd6c722e023bf58d2148dd0ea46b1c906133b1d69f9eae00204ed61995b161e8d87fdd4964677b9199ceddfc949870e6f66
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2000-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2000-6-0x0000000000450000-0x0000000000467000-memory.dmp	family_gandcrab
behavioral1/memory/2000-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2000-16-0x0000000000450000-0x0000000000467000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Detects Reflective DLL injection artifacts 4 IoCs

resource	yara_rule
behavioral1/memory/2000-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2000-6-0x0000000000450000-0x0000000000467000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2000-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2000-16-0x0000000000450000-0x0000000000467000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2000-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2000-6-0x0000000000450000-0x0000000000467000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2000-13-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2000-16-0x0000000000450000-0x0000000000467000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2000-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2000-6-0x0000000000450000-0x0000000000467000-memory.dmp	Gandcrab
behavioral1/memory/2000-13-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2000-16-0x0000000000450000-0x0000000000467000-memory.dmp	Gandcrab

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\zhpttgcwvld = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zgreoc.exe\""	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.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)	\??\L:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2608	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	28
PID 2000 wrote to memory of 2608	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	28
PID 2000 wrote to memory of 2608	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	28
PID 2000 wrote to memory of 2608	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	28
PID 2000 wrote to memory of 2796	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	30
PID 2000 wrote to memory of 2796	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	30
PID 2000 wrote to memory of 2796	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	30
PID 2000 wrote to memory of 2796	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	30
PID 2000 wrote to memory of 2396	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	32
PID 2000 wrote to memory of 2396	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	32
PID 2000 wrote to memory of 2396	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	32
PID 2000 wrote to memory of 2396	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	32
PID 2000 wrote to memory of 2376	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	34
PID 2000 wrote to memory of 2376	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	34
PID 2000 wrote to memory of 2376	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	34
PID 2000 wrote to memory of 2376	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	34
PID 2000 wrote to memory of 2884	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	36
PID 2000 wrote to memory of 2884	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	36
PID 2000 wrote to memory of 2884	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	36
PID 2000 wrote to memory of 2884	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	36
PID 2000 wrote to memory of 1580	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	38
PID 2000 wrote to memory of 1580	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	38
PID 2000 wrote to memory of 1580	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	38
PID 2000 wrote to memory of 1580	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	38
PID 2000 wrote to memory of 2444	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	40
PID 2000 wrote to memory of 2444	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	40
PID 2000 wrote to memory of 2444	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	40
PID 2000 wrote to memory of 2444	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	40
PID 2000 wrote to memory of 348	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	44
PID 2000 wrote to memory of 348	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	44
PID 2000 wrote to memory of 348	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	44
PID 2000 wrote to memory of 348	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	44
PID 2000 wrote to memory of 384	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	46
PID 2000 wrote to memory of 384	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	46
PID 2000 wrote to memory of 384	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	46
PID 2000 wrote to memory of 384	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	46
PID 2000 wrote to memory of 2176	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	48
PID 2000 wrote to memory of 2176	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	48
PID 2000 wrote to memory of 2176	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	48
PID 2000 wrote to memory of 2176	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	48
PID 2000 wrote to memory of 676	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	50
PID 2000 wrote to memory of 676	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	50
PID 2000 wrote to memory of 676	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	50
PID 2000 wrote to memory of 676	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	50
PID 2000 wrote to memory of 1244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	52
PID 2000 wrote to memory of 1244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	52
PID 2000 wrote to memory of 1244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	52
PID 2000 wrote to memory of 1244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	52
PID 2000 wrote to memory of 1696	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	54
PID 2000 wrote to memory of 1696	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	54
PID 2000 wrote to memory of 1696	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	54
PID 2000 wrote to memory of 1696	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	54
PID 2000 wrote to memory of 900	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	56
PID 2000 wrote to memory of 900	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	56
PID 2000 wrote to memory of 900	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	56
PID 2000 wrote to memory of 900	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	56
PID 2000 wrote to memory of 2244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	58
PID 2000 wrote to memory of 2244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	58
PID 2000 wrote to memory of 2244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	58
PID 2000 wrote to memory of 2244	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	58
PID 2000 wrote to memory of 1040	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	60
PID 2000 wrote to memory of 1040	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	60
PID 2000 wrote to memory of 1040	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	60
PID 2000 wrote to memory of 1040	2000	2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_792957f64570c0e2cb505aaf694d034d_karagany_mafia.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2396
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2376
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2884
- 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:2444
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:348
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2176
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:676
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1696
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:900
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1160
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2312

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/2000-2-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2000-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2000-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2000-6-0x0000000000450000-0x0000000000467000-memory.dmp

Filesize
92KB

Download
memory/2000-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2000-15-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2000-16-0x0000000000450000-0x0000000000467000-memory.dmp

Filesize
92KB

Download