gandcrab | 0e4e8a1afc4471c1f8e30b918995a75b24f61d45a2de88644cfcca42760a6b55

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 10:48

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General

Target

2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
Size

222KB
MD5

8480c04c189e51cb3bc7cfa3e5dd93ed
SHA1

5688426b3acf7d28fb0a94df73b7e5b42ee5f605
SHA256

0e4e8a1afc4471c1f8e30b918995a75b24f61d45a2de88644cfcca42760a6b55
SHA512

6f1bd8484ab146a91b3e2580841c9ac59524aac7a890508f3f57aa4f963fca4003c198ca3d61ce2a4a4658b9bb1ab984d2fdaa74c48c7e348b2b4f251fc97df4
SSDEEP

3072:3BbWxYKFDnqvffIj0nStxBN3cwqvcQr3YTfVEPnYbl3/YrDAEioKhAv/:3BkYKZSYYnS1xecmoT2nYbdEKs/

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2252-3-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/2252-5-0x00000000005D0000-0x00000000005E7000-memory.dmp	family_gandcrab
behavioral1/memory/2252-12-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/2252-15-0x00000000005D0000-0x00000000005E7000-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/2252-3-0x0000000000400000-0x000000000043D000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2252-5-0x00000000005D0000-0x00000000005E7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2252-12-0x0000000000400000-0x000000000043D000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2252-15-0x00000000005D0000-0x00000000005E7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2252-3-0x0000000000400000-0x000000000043D000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2252-5-0x00000000005D0000-0x00000000005E7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2252-12-0x0000000000400000-0x000000000043D000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2252-15-0x00000000005D0000-0x00000000005E7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2252-3-0x0000000000400000-0x000000000043D000-memory.dmp	Gandcrab
behavioral1/memory/2252-5-0x00000000005D0000-0x00000000005E7000-memory.dmp	Gandcrab
behavioral1/memory/2252-12-0x0000000000400000-0x000000000043D000-memory.dmp	Gandcrab
behavioral1/memory/2252-15-0x00000000005D0000-0x00000000005E7000-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\lxqtlzgursy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\roubfb.exe\""	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_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)	\??\B:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2984	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	28
PID 2252 wrote to memory of 2984	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	28
PID 2252 wrote to memory of 2984	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	28
PID 2252 wrote to memory of 2984	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	28
PID 2252 wrote to memory of 2464	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	30
PID 2252 wrote to memory of 2464	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	30
PID 2252 wrote to memory of 2464	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	30
PID 2252 wrote to memory of 2464	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	30
PID 2252 wrote to memory of 2408	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	32
PID 2252 wrote to memory of 2408	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	32
PID 2252 wrote to memory of 2408	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	32
PID 2252 wrote to memory of 2408	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	32
PID 2252 wrote to memory of 2360	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	34
PID 2252 wrote to memory of 2360	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	34
PID 2252 wrote to memory of 2360	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	34
PID 2252 wrote to memory of 2360	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	34
PID 2252 wrote to memory of 2380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	36
PID 2252 wrote to memory of 2380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	36
PID 2252 wrote to memory of 2380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	36
PID 2252 wrote to memory of 2380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	36
PID 2252 wrote to memory of 2888	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	40
PID 2252 wrote to memory of 2888	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	40
PID 2252 wrote to memory of 2888	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	40
PID 2252 wrote to memory of 2888	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	40
PID 2252 wrote to memory of 1312	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	42
PID 2252 wrote to memory of 1312	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	42
PID 2252 wrote to memory of 1312	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	42
PID 2252 wrote to memory of 1312	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	42
PID 2252 wrote to memory of 2484	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	44
PID 2252 wrote to memory of 2484	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	44
PID 2252 wrote to memory of 2484	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	44
PID 2252 wrote to memory of 2484	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	44
PID 2252 wrote to memory of 1892	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	46
PID 2252 wrote to memory of 1892	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	46
PID 2252 wrote to memory of 1892	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	46
PID 2252 wrote to memory of 1892	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	46
PID 2252 wrote to memory of 2592	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	48
PID 2252 wrote to memory of 2592	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	48
PID 2252 wrote to memory of 2592	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	48
PID 2252 wrote to memory of 2592	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	48
PID 2252 wrote to memory of 1380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	50
PID 2252 wrote to memory of 1380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	50
PID 2252 wrote to memory of 1380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	50
PID 2252 wrote to memory of 1380	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	50
PID 2252 wrote to memory of 1108	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	52
PID 2252 wrote to memory of 1108	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	52
PID 2252 wrote to memory of 1108	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	52
PID 2252 wrote to memory of 1108	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	52
PID 2252 wrote to memory of 1708	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	54
PID 2252 wrote to memory of 1708	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	54
PID 2252 wrote to memory of 1708	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	54
PID 2252 wrote to memory of 1708	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	54
PID 2252 wrote to memory of 1732	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	56
PID 2252 wrote to memory of 1732	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	56
PID 2252 wrote to memory of 1732	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	56
PID 2252 wrote to memory of 1732	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	56
PID 2252 wrote to memory of 2120	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	58
PID 2252 wrote to memory of 2120	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	58
PID 2252 wrote to memory of 2120	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	58
PID 2252 wrote to memory of 2120	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	58
PID 2252 wrote to memory of 632	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	60
PID 2252 wrote to memory of 632	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	60
PID 2252 wrote to memory of 632	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	60
PID 2252 wrote to memory of 632	2252	2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_8480c04c189e51cb3bc7cfa3e5dd93ed_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:2252
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2464
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2408
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2380
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1380
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2120
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1376
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1568
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:896

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/2252-0-0x00000000003D0000-0x00000000003EB000-memory.dmp

Filesize
108KB

Download
memory/2252-1-0x00000000003D0000-0x00000000003EB000-memory.dmp

Filesize
108KB

Download
memory/2252-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2252-3-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2252-5-0x00000000005D0000-0x00000000005E7000-memory.dmp

Filesize
92KB

Download
memory/2252-12-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2252-13-0x00000000003D0000-0x00000000003EB000-memory.dmp

Filesize
108KB

Download
memory/2252-15-0x00000000005D0000-0x00000000005E7000-memory.dmp

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