gandcrab | 3d119ce578378f5fbe05e7cb3a507b21f7c21dd4a327fe2861c02d6dab8a4872

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 11:29

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General

Target

2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
Size

222KB
MD5

337ef9b0a88483c09c951be550bcbdf7
SHA1

5c2b597ff05cd37325b62beadc79417a156c6d6d
SHA256

3d119ce578378f5fbe05e7cb3a507b21f7c21dd4a327fe2861c02d6dab8a4872
SHA512

afff475ef55ae15fa8e5d3fc85c3fa59a05569992de98522024dfb49a03943e26771e3bfcad75f068481a96c8d299f38f1b2602a60a0ac1fd05dbf88c25e721c
SSDEEP

3072:GBbWxYKFDnqvffIj0nStxBN3cwqvcQr3YTfVEPnYbl3/YrDAEioKhAv/:GBkYKZSYYnS1xecmoT2nYbdEKs/

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2136-3-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/2136-5-0x0000000000280000-0x0000000000297000-memory.dmp	family_gandcrab
behavioral1/memory/2136-12-0x0000000000400000-0x000000000043D000-memory.dmp	family_gandcrab
behavioral1/memory/2136-14-0x0000000000280000-0x0000000000297000-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/2136-3-0x0000000000400000-0x000000000043D000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2136-5-0x0000000000280000-0x0000000000297000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2136-12-0x0000000000400000-0x000000000043D000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2136-14-0x0000000000280000-0x0000000000297000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2136-3-0x0000000000400000-0x000000000043D000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2136-5-0x0000000000280000-0x0000000000297000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2136-12-0x0000000000400000-0x000000000043D000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2136-14-0x0000000000280000-0x0000000000297000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2136-3-0x0000000000400000-0x000000000043D000-memory.dmp	Gandcrab
behavioral1/memory/2136-5-0x0000000000280000-0x0000000000297000-memory.dmp	Gandcrab
behavioral1/memory/2136-12-0x0000000000400000-0x000000000043D000-memory.dmp	Gandcrab
behavioral1/memory/2136-14-0x0000000000280000-0x0000000000297000-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\zqkpfiskudj = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zqxmbs.exe\""	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_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:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_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	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2812	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	28
PID 2136 wrote to memory of 2812	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	28
PID 2136 wrote to memory of 2812	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	28
PID 2136 wrote to memory of 2812	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	28
PID 2136 wrote to memory of 2268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	30
PID 2136 wrote to memory of 2268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	30
PID 2136 wrote to memory of 2268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	30
PID 2136 wrote to memory of 2268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	30
PID 2136 wrote to memory of 2208	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	32
PID 2136 wrote to memory of 2208	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	32
PID 2136 wrote to memory of 2208	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	32
PID 2136 wrote to memory of 2208	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	32
PID 2136 wrote to memory of 2868	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	34
PID 2136 wrote to memory of 2868	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	34
PID 2136 wrote to memory of 2868	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	34
PID 2136 wrote to memory of 2868	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	34
PID 2136 wrote to memory of 2628	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	36
PID 2136 wrote to memory of 2628	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	36
PID 2136 wrote to memory of 2628	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	36
PID 2136 wrote to memory of 2628	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	36
PID 2136 wrote to memory of 1268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	38
PID 2136 wrote to memory of 1268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	38
PID 2136 wrote to memory of 1268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	38
PID 2136 wrote to memory of 1268	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	38
PID 2136 wrote to memory of 2984	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	42
PID 2136 wrote to memory of 2984	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	42
PID 2136 wrote to memory of 2984	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	42
PID 2136 wrote to memory of 2984	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	42
PID 2136 wrote to memory of 1980	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	44
PID 2136 wrote to memory of 1980	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	44
PID 2136 wrote to memory of 1980	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	44
PID 2136 wrote to memory of 1980	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	44
PID 2136 wrote to memory of 2780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	46
PID 2136 wrote to memory of 2780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	46
PID 2136 wrote to memory of 2780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	46
PID 2136 wrote to memory of 2780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	46
PID 2136 wrote to memory of 1780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	48
PID 2136 wrote to memory of 1780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	48
PID 2136 wrote to memory of 1780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	48
PID 2136 wrote to memory of 1780	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	48
PID 2136 wrote to memory of 564	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	50
PID 2136 wrote to memory of 564	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	50
PID 2136 wrote to memory of 564	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	50
PID 2136 wrote to memory of 564	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	50
PID 2136 wrote to memory of 616	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	52
PID 2136 wrote to memory of 616	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	52
PID 2136 wrote to memory of 616	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	52
PID 2136 wrote to memory of 616	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	52
PID 2136 wrote to memory of 3040	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	54
PID 2136 wrote to memory of 3040	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	54
PID 2136 wrote to memory of 3040	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	54
PID 2136 wrote to memory of 3040	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	54
PID 2136 wrote to memory of 2284	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	56
PID 2136 wrote to memory of 2284	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	56
PID 2136 wrote to memory of 2284	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	56
PID 2136 wrote to memory of 2284	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	56
PID 2136 wrote to memory of 1712	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	58
PID 2136 wrote to memory of 1712	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	58
PID 2136 wrote to memory of 1712	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	58
PID 2136 wrote to memory of 1712	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	58
PID 2136 wrote to memory of 2332	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	60
PID 2136 wrote to memory of 2332	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	60
PID 2136 wrote to memory of 2332	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	60
PID 2136 wrote to memory of 2332	2136	2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-17_337ef9b0a88483c09c951be550bcbdf7_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_337ef9b0a88483c09c951be550bcbdf7_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:2136
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2812
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2208
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1980
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2284
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1712
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1144
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2200
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1864
- 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:2244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2368

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/2136-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2136-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2136-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2136-3-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2136-5-0x0000000000280000-0x0000000000297000-memory.dmp

Filesize
92KB

Download
memory/2136-12-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2136-14-0x0000000000280000-0x0000000000297000-memory.dmp

Filesize
92KB

Download