gandcrab | dfab3737a7010b15edbaad9e08d22e526c6cbaf557b0c541b7ac8d3fa0dd9ddc

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 18:55

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General

Target

2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
Size

308KB
MD5

ecfb63df5ad68ff658ba5e3a8cf336cd
SHA1

697f1f7b26b926e960b9b9e2dd8f2166e51f7a45
SHA256

dfab3737a7010b15edbaad9e08d22e526c6cbaf557b0c541b7ac8d3fa0dd9ddc
SHA512

a6ee55b8b47275d6f0e053dcf1c8cf85bdd7a308102af5dca8af791cafb5da7c2f649cbdb4b9395055fba0fc0d286114558ced641560564db52f14f80405b648
SSDEEP

6144:QzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:2DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2016-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2016-3-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2016-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2016-13-0x0000000000220000-0x0000000000237000-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/2016-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2016-3-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2016-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2016-13-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2016-3-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2016-13-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2016-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2016-3-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2016-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2016-13-0x0000000000220000-0x0000000000237000-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\fuvfhhzkrvu = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dueqvr.exe\""	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_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:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_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_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2568	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	28
PID 2016 wrote to memory of 2568	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	28
PID 2016 wrote to memory of 2568	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	28
PID 2016 wrote to memory of 2568	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	28
PID 2016 wrote to memory of 2944	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	30
PID 2016 wrote to memory of 2944	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	30
PID 2016 wrote to memory of 2944	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	30
PID 2016 wrote to memory of 2944	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	30
PID 2016 wrote to memory of 2672	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	32
PID 2016 wrote to memory of 2672	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	32
PID 2016 wrote to memory of 2672	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	32
PID 2016 wrote to memory of 2672	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	32
PID 2016 wrote to memory of 2352	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	34
PID 2016 wrote to memory of 2352	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	34
PID 2016 wrote to memory of 2352	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	34
PID 2016 wrote to memory of 2352	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	34
PID 2016 wrote to memory of 2524	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	36
PID 2016 wrote to memory of 2524	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	36
PID 2016 wrote to memory of 2524	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	36
PID 2016 wrote to memory of 2524	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	36
PID 2016 wrote to memory of 628	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	38
PID 2016 wrote to memory of 628	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	38
PID 2016 wrote to memory of 628	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	38
PID 2016 wrote to memory of 628	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	38
PID 2016 wrote to memory of 2340	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	40
PID 2016 wrote to memory of 2340	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	40
PID 2016 wrote to memory of 2340	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	40
PID 2016 wrote to memory of 2340	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	40
PID 2016 wrote to memory of 288	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	44
PID 2016 wrote to memory of 288	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	44
PID 2016 wrote to memory of 288	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	44
PID 2016 wrote to memory of 288	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	44
PID 2016 wrote to memory of 1892	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	46
PID 2016 wrote to memory of 1892	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	46
PID 2016 wrote to memory of 1892	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	46
PID 2016 wrote to memory of 1892	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	46
PID 2016 wrote to memory of 1764	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	48
PID 2016 wrote to memory of 1764	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	48
PID 2016 wrote to memory of 1764	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	48
PID 2016 wrote to memory of 1764	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	48
PID 2016 wrote to memory of 1468	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	50
PID 2016 wrote to memory of 1468	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	50
PID 2016 wrote to memory of 1468	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	50
PID 2016 wrote to memory of 1468	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	50
PID 2016 wrote to memory of 832	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	52
PID 2016 wrote to memory of 832	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	52
PID 2016 wrote to memory of 832	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	52
PID 2016 wrote to memory of 832	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	52
PID 2016 wrote to memory of 2852	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	54
PID 2016 wrote to memory of 2852	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	54
PID 2016 wrote to memory of 2852	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	54
PID 2016 wrote to memory of 2852	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	54
PID 2016 wrote to memory of 2196	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	56
PID 2016 wrote to memory of 2196	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	56
PID 2016 wrote to memory of 2196	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	56
PID 2016 wrote to memory of 2196	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	56
PID 2016 wrote to memory of 1992	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	58
PID 2016 wrote to memory of 1992	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	58
PID 2016 wrote to memory of 1992	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	58
PID 2016 wrote to memory of 1992	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	58
PID 2016 wrote to memory of 996	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	60
PID 2016 wrote to memory of 996	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	60
PID 2016 wrote to memory of 996	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	60
PID 2016 wrote to memory of 996	2016	2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_ecfb63df5ad68ff658ba5e3a8cf336cd_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:2016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2568
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2944
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2524
- 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:2340
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:288
- 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:1764
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:832
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2196
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:996
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2784
- 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:1576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1292

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/2016-1-0x000000000AA80000-0x000000000AB80000-memory.dmp

Filesize
1024KB

Download
memory/2016-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2016-3-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2016-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2016-12-0x000000000AA80000-0x000000000AB80000-memory.dmp

Filesize
1024KB

Download
memory/2016-13-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download