gandcrab | 520ba0e27f2b67dc826dbee812cd75c5bdaf042b8016c13433001147c4e182a4

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22/03/2024, 10:01

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General

Target
2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
Size 250KB
Sample240322-l2dbssda9v
SHA256 520ba0e27f2b67dc826dbee812cd75c5bdaf042b8016c13433001147c4e182a4
MD5 f77bc9921a7fadea918415aa24e67b06
SHA1 6ab95010d745c67b68f1cc5ab6923845136cf485
SHA512 ff5d5d0a33b40a53dbcc6562906b4a7ea35b28d6521a0d2b72c25818d45bd3db7d552efb5988f2a70ccfccc6e0a3976517020059d51bf43ec6d79d92607f9ac2
SSDEEP 6144:H+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:bOCjaklYgVIpxIhDtR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2240-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2240-4-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/2240-6-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2240-14-0x0000000000240000-0x0000000000257000-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/2240-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2240-4-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2240-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2240-14-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2240-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2240-4-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2240-6-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2240-14-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2240-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2240-4-0x0000000000240000-0x0000000000257000-memory.dmp	Gandcrab
behavioral1/memory/2240-6-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2240-14-0x0000000000240000-0x0000000000257000-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\lqkiifrioct = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\viznre.exe\""	2024-03-22_f77bc9921a7fadea918415aa24e67b06_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)	\??\E:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-22_f77bc9921a7fadea918415aa24e67b06_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\ProcessorNameString	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 3008	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	28
PID 2240 wrote to memory of 3008	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	28
PID 2240 wrote to memory of 3008	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	28
PID 2240 wrote to memory of 3008	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	28
PID 2240 wrote to memory of 2724	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	30
PID 2240 wrote to memory of 2724	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	30
PID 2240 wrote to memory of 2724	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	30
PID 2240 wrote to memory of 2724	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	30
PID 2240 wrote to memory of 2580	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	32
PID 2240 wrote to memory of 2580	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	32
PID 2240 wrote to memory of 2580	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	32
PID 2240 wrote to memory of 2580	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	32
PID 2240 wrote to memory of 2744	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	34
PID 2240 wrote to memory of 2744	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	34
PID 2240 wrote to memory of 2744	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	34
PID 2240 wrote to memory of 2744	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	34
PID 2240 wrote to memory of 2464	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	36
PID 2240 wrote to memory of 2464	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	36
PID 2240 wrote to memory of 2464	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	36
PID 2240 wrote to memory of 2464	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	36
PID 2240 wrote to memory of 2752	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	38
PID 2240 wrote to memory of 2752	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	38
PID 2240 wrote to memory of 2752	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	38
PID 2240 wrote to memory of 2752	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	38
PID 2240 wrote to memory of 2152	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	40
PID 2240 wrote to memory of 2152	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	40
PID 2240 wrote to memory of 2152	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	40
PID 2240 wrote to memory of 2152	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	40
PID 2240 wrote to memory of 2804	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	42
PID 2240 wrote to memory of 2804	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	42
PID 2240 wrote to memory of 2804	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	42
PID 2240 wrote to memory of 2804	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	42
PID 2240 wrote to memory of 2348	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	46
PID 2240 wrote to memory of 2348	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	46
PID 2240 wrote to memory of 2348	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	46
PID 2240 wrote to memory of 2348	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	46
PID 2240 wrote to memory of 2936	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	48
PID 2240 wrote to memory of 2936	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	48
PID 2240 wrote to memory of 2936	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	48
PID 2240 wrote to memory of 2936	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	48
PID 2240 wrote to memory of 1956	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	50
PID 2240 wrote to memory of 1956	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	50
PID 2240 wrote to memory of 1956	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	50
PID 2240 wrote to memory of 1956	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	50
PID 2240 wrote to memory of 1164	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	52
PID 2240 wrote to memory of 1164	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	52
PID 2240 wrote to memory of 1164	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	52
PID 2240 wrote to memory of 1164	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	52
PID 2240 wrote to memory of 2100	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	54
PID 2240 wrote to memory of 2100	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	54
PID 2240 wrote to memory of 2100	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	54
PID 2240 wrote to memory of 2100	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	54
PID 2240 wrote to memory of 2276	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	56
PID 2240 wrote to memory of 2276	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	56
PID 2240 wrote to memory of 2276	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	56
PID 2240 wrote to memory of 2276	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	56
PID 2240 wrote to memory of 268	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	58
PID 2240 wrote to memory of 268	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	58
PID 2240 wrote to memory of 268	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	58
PID 2240 wrote to memory of 268	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	58
PID 2240 wrote to memory of 312	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	60
PID 2240 wrote to memory of 312	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	60
PID 2240 wrote to memory of 312	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	60
PID 2240 wrote to memory of 312	2240	2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-22_f77bc9921a7fadea918415aa24e67b06_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-22_f77bc9921a7fadea918415aa24e67b06_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:2240
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2464
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2348
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2936
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1164
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2100
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2276
- 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:312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2444
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2436
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1568
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1900

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/2240-0-0x0000000000220000-0x000000000023B000-memory.dmp

Download

memory/2240-1-0x0000000000220000-0x000000000023B000-memory.dmp

Download

memory/2240-2-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2240-3-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2240-4-0x0000000000240000-0x0000000000257000-memory.dmp

Download

memory/2240-6-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2240-14-0x0000000000240000-0x0000000000257000-memory.dmp

Download