gandcrab | 063bb2e02ba2fc7986f2c609607ac139dece779e7238b15db2bdb85d6672be47

Analysis

max time kernel
147s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 18:28

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General

Target

2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
Size

308KB
MD5

30b287221ca205cf106f5969e76bcd3f
SHA1

2ee38496046e7c01362a958f71f1418d1b6911ba
SHA256

063bb2e02ba2fc7986f2c609607ac139dece779e7238b15db2bdb85d6672be47
SHA512

4e4589cf225aa974bb237d84387b914fd1fa5da31a49811e5400a4630d67e640c8d51e20683e05d7586651787905e5b55ecf19ff63eb12d436644674d75b8277
SSDEEP

6144:1zL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:rDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1760-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1760-4-0x0000000000230000-0x0000000000247000-memory.dmp	family_gandcrab
behavioral1/memory/1760-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1760-14-0x0000000000230000-0x0000000000247000-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/1760-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1760-4-0x0000000000230000-0x0000000000247000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1760-11-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1760-14-0x0000000000230000-0x0000000000247000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1760-4-0x0000000000230000-0x0000000000247000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1760-14-0x0000000000230000-0x0000000000247000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1760-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1760-4-0x0000000000230000-0x0000000000247000-memory.dmp	Gandcrab
behavioral1/memory/1760-11-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1760-14-0x0000000000230000-0x0000000000247000-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\pkvtimmmvgn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\tipasx.exe\""	2024-02-21_30b287221ca205cf106f5969e76bcd3f_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)	\??\I:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-21_30b287221ca205cf106f5969e76bcd3f_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	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2756	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	28
PID 1760 wrote to memory of 2756	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	28
PID 1760 wrote to memory of 2756	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	28
PID 1760 wrote to memory of 2756	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	28
PID 1760 wrote to memory of 2580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	30
PID 1760 wrote to memory of 2580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	30
PID 1760 wrote to memory of 2580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	30
PID 1760 wrote to memory of 2580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	30
PID 1760 wrote to memory of 2556	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	32
PID 1760 wrote to memory of 2556	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	32
PID 1760 wrote to memory of 2556	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	32
PID 1760 wrote to memory of 2556	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	32
PID 1760 wrote to memory of 2440	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	34
PID 1760 wrote to memory of 2440	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	34
PID 1760 wrote to memory of 2440	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	34
PID 1760 wrote to memory of 2440	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	34
PID 1760 wrote to memory of 944	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	38
PID 1760 wrote to memory of 944	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	38
PID 1760 wrote to memory of 944	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	38
PID 1760 wrote to memory of 944	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	38
PID 1760 wrote to memory of 584	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	40
PID 1760 wrote to memory of 584	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	40
PID 1760 wrote to memory of 584	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	40
PID 1760 wrote to memory of 584	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	40
PID 1760 wrote to memory of 2812	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	42
PID 1760 wrote to memory of 2812	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	42
PID 1760 wrote to memory of 2812	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	42
PID 1760 wrote to memory of 2812	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	42
PID 1760 wrote to memory of 2904	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	44
PID 1760 wrote to memory of 2904	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	44
PID 1760 wrote to memory of 2904	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	44
PID 1760 wrote to memory of 2904	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	44
PID 1760 wrote to memory of 1580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	46
PID 1760 wrote to memory of 1580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	46
PID 1760 wrote to memory of 1580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	46
PID 1760 wrote to memory of 1580	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	46
PID 1760 wrote to memory of 628	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	48
PID 1760 wrote to memory of 628	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	48
PID 1760 wrote to memory of 628	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	48
PID 1760 wrote to memory of 628	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	48
PID 1760 wrote to memory of 1864	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	50
PID 1760 wrote to memory of 1864	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	50
PID 1760 wrote to memory of 1864	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	50
PID 1760 wrote to memory of 1864	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	50
PID 1760 wrote to memory of 2680	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	52
PID 1760 wrote to memory of 2680	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	52
PID 1760 wrote to memory of 2680	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	52
PID 1760 wrote to memory of 2680	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	52
PID 1760 wrote to memory of 1616	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	54
PID 1760 wrote to memory of 1616	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	54
PID 1760 wrote to memory of 1616	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	54
PID 1760 wrote to memory of 1616	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	54
PID 1760 wrote to memory of 2312	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	56
PID 1760 wrote to memory of 2312	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	56
PID 1760 wrote to memory of 2312	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	56
PID 1760 wrote to memory of 2312	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	56
PID 1760 wrote to memory of 2280	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	58
PID 1760 wrote to memory of 2280	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	58
PID 1760 wrote to memory of 2280	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	58
PID 1760 wrote to memory of 2280	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	58
PID 1760 wrote to memory of 1476	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	60
PID 1760 wrote to memory of 1476	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	60
PID 1760 wrote to memory of 1476	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	60
PID 1760 wrote to memory of 1476	1760	2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-21_30b287221ca205cf106f5969e76bcd3f_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_30b287221ca205cf106f5969e76bcd3f_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:1760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2440
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:944
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2812
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2904
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1476
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1276

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/1760-1-0x000000000AB10000-0x000000000AC10000-memory.dmp

Filesize
1024KB

Download
memory/1760-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1760-4-0x0000000000230000-0x0000000000247000-memory.dmp

Filesize
92KB

Download
memory/1760-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1760-13-0x000000000AB10000-0x000000000AC10000-memory.dmp

Filesize
1024KB

Download
memory/1760-14-0x0000000000230000-0x0000000000247000-memory.dmp

Filesize
92KB

Download