gandcrab | e152d12d4966d17701fe57c31eec8ef9c7c1b2bd05a6e0ecc98692c117a96862

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 23:42

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General

Target

2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
Size

308KB
MD5

d59e96b8aecd42f7892b2a7e5300640b
SHA1

cc8afd2e5c98bc24b87a4e49949e4935a63721ef
SHA256

e152d12d4966d17701fe57c31eec8ef9c7c1b2bd05a6e0ecc98692c117a96862
SHA512

301a2015d781e3471aa7c4512d63952ffc868472c9b687322de18bc006919d2bd4abe3aebe384e0db0e8b2d3cf1c001d2bcd5a47a70471c1101d446413d49974
SSDEEP

6144:pzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:3DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1340-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1340-3-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/1340-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1340-13-0x0000000000220000-0x0000000000237000-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/1340-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1340-3-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1340-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1340-13-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1340-3-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1340-13-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1340-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1340-3-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/1340-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1340-13-0x0000000000220000-0x0000000000237000-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\rooqlvhpvzu = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ivtnfk.exe\""	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_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)	\??\Y:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_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	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 2816	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	28
PID 1340 wrote to memory of 2816	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	28
PID 1340 wrote to memory of 2816	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	28
PID 1340 wrote to memory of 2816	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	28
PID 1340 wrote to memory of 2760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	30
PID 1340 wrote to memory of 2760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	30
PID 1340 wrote to memory of 2760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	30
PID 1340 wrote to memory of 2760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	30
PID 1340 wrote to memory of 2892	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	32
PID 1340 wrote to memory of 2892	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	32
PID 1340 wrote to memory of 2892	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	32
PID 1340 wrote to memory of 2892	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	32
PID 1340 wrote to memory of 2844	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	34
PID 1340 wrote to memory of 2844	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	34
PID 1340 wrote to memory of 2844	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	34
PID 1340 wrote to memory of 2844	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	34
PID 1340 wrote to memory of 2676	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	36
PID 1340 wrote to memory of 2676	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	36
PID 1340 wrote to memory of 2676	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	36
PID 1340 wrote to memory of 2676	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	36
PID 1340 wrote to memory of 2260	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	38
PID 1340 wrote to memory of 2260	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	38
PID 1340 wrote to memory of 2260	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	38
PID 1340 wrote to memory of 2260	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	38
PID 1340 wrote to memory of 2928	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	40
PID 1340 wrote to memory of 2928	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	40
PID 1340 wrote to memory of 2928	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	40
PID 1340 wrote to memory of 2928	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	40
PID 1340 wrote to memory of 1540	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	42
PID 1340 wrote to memory of 1540	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	42
PID 1340 wrote to memory of 1540	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	42
PID 1340 wrote to memory of 1540	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	42
PID 1340 wrote to memory of 1668	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	46
PID 1340 wrote to memory of 1668	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	46
PID 1340 wrote to memory of 1668	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	46
PID 1340 wrote to memory of 1668	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	46
PID 1340 wrote to memory of 804	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	48
PID 1340 wrote to memory of 804	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	48
PID 1340 wrote to memory of 804	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	48
PID 1340 wrote to memory of 804	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	48
PID 1340 wrote to memory of 2940	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	50
PID 1340 wrote to memory of 2940	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	50
PID 1340 wrote to memory of 2940	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	50
PID 1340 wrote to memory of 2940	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	50
PID 1340 wrote to memory of 2112	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	52
PID 1340 wrote to memory of 2112	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	52
PID 1340 wrote to memory of 2112	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	52
PID 1340 wrote to memory of 2112	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	52
PID 1340 wrote to memory of 1760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	54
PID 1340 wrote to memory of 1760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	54
PID 1340 wrote to memory of 1760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	54
PID 1340 wrote to memory of 1760	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	54
PID 1340 wrote to memory of 3000	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	56
PID 1340 wrote to memory of 3000	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	56
PID 1340 wrote to memory of 3000	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	56
PID 1340 wrote to memory of 3000	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	56
PID 1340 wrote to memory of 3008	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	58
PID 1340 wrote to memory of 3008	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	58
PID 1340 wrote to memory of 3008	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	58
PID 1340 wrote to memory of 3008	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	58
PID 1340 wrote to memory of 488	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	60
PID 1340 wrote to memory of 488	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	60
PID 1340 wrote to memory of 488	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	60
PID 1340 wrote to memory of 488	1340	2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_d59e96b8aecd42f7892b2a7e5300640b_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:1340
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2676
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2260
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1668
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3000
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1396
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1720

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/1340-1-0x000000000AAF0000-0x000000000ABF0000-memory.dmp

Filesize
1024KB

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memory/1340-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

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memory/1340-3-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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memory/1340-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

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memory/1340-12-0x000000000AAF0000-0x000000000ABF0000-memory.dmp

Filesize
1024KB

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memory/1340-13-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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