gandcrab | 0f5310404062665062217ecd04c971263ebf58f09da1158c80f5727b4bdd5959

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 06:46

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General

Target

2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
Size

308KB
MD5

9e4255ce33d2a59b4e7e1c8e675b232d
SHA1

cf87d7d87e4fd748283e2c534aa5f2d1deb8c1c1
SHA256

0f5310404062665062217ecd04c971263ebf58f09da1158c80f5727b4bdd5959
SHA512

635be813f544bd018ff23020443464a1f24b5b5bb4b13c52e48c04bb21c7da60d3df3408de9d5cd524db45089e2a2d06989c04165d217f2fe92772e4a3c3a863
SSDEEP

6144:BzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:PDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2492-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2492-4-0x0000000000230000-0x0000000000247000-memory.dmp	family_gandcrab
behavioral1/memory/2492-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2492-14-0x0000000000230000-0x0000000000247000-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/2492-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2492-4-0x0000000000230000-0x0000000000247000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2492-11-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2492-14-0x0000000000230000-0x0000000000247000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2492-4-0x0000000000230000-0x0000000000247000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2492-14-0x0000000000230000-0x0000000000247000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2492-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2492-4-0x0000000000230000-0x0000000000247000-memory.dmp	Gandcrab
behavioral1/memory/2492-11-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2492-14-0x0000000000230000-0x0000000000247000-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\lfxfyeeqxhn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\qnnefr.exe\""	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_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)	\??\U:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_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	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2152	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	28
PID 2492 wrote to memory of 2152	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	28
PID 2492 wrote to memory of 2152	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	28
PID 2492 wrote to memory of 2152	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	28
PID 2492 wrote to memory of 2528	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	30
PID 2492 wrote to memory of 2528	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	30
PID 2492 wrote to memory of 2528	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	30
PID 2492 wrote to memory of 2528	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	30
PID 2492 wrote to memory of 2548	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	32
PID 2492 wrote to memory of 2548	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	32
PID 2492 wrote to memory of 2548	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	32
PID 2492 wrote to memory of 2548	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	32
PID 2492 wrote to memory of 2424	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	34
PID 2492 wrote to memory of 2424	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	34
PID 2492 wrote to memory of 2424	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	34
PID 2492 wrote to memory of 2424	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	34
PID 2492 wrote to memory of 2156	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	36
PID 2492 wrote to memory of 2156	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	36
PID 2492 wrote to memory of 2156	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	36
PID 2492 wrote to memory of 2156	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	36
PID 2492 wrote to memory of 1160	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	40
PID 2492 wrote to memory of 1160	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	40
PID 2492 wrote to memory of 1160	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	40
PID 2492 wrote to memory of 1160	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	40
PID 2492 wrote to memory of 2592	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	42
PID 2492 wrote to memory of 2592	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	42
PID 2492 wrote to memory of 2592	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	42
PID 2492 wrote to memory of 2592	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	42
PID 2492 wrote to memory of 2968	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	44
PID 2492 wrote to memory of 2968	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	44
PID 2492 wrote to memory of 2968	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	44
PID 2492 wrote to memory of 2968	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	44
PID 2492 wrote to memory of 1948	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	46
PID 2492 wrote to memory of 1948	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	46
PID 2492 wrote to memory of 1948	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	46
PID 2492 wrote to memory of 1948	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	46
PID 2492 wrote to memory of 1772	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	48
PID 2492 wrote to memory of 1772	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	48
PID 2492 wrote to memory of 1772	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	48
PID 2492 wrote to memory of 1772	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	48
PID 2492 wrote to memory of 1972	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	50
PID 2492 wrote to memory of 1972	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	50
PID 2492 wrote to memory of 1972	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	50
PID 2492 wrote to memory of 1972	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	50
PID 2492 wrote to memory of 2080	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	52
PID 2492 wrote to memory of 2080	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	52
PID 2492 wrote to memory of 2080	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	52
PID 2492 wrote to memory of 2080	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	52
PID 2492 wrote to memory of 1608	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	54
PID 2492 wrote to memory of 1608	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	54
PID 2492 wrote to memory of 1608	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	54
PID 2492 wrote to memory of 1608	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	54
PID 2492 wrote to memory of 2504	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	56
PID 2492 wrote to memory of 2504	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	56
PID 2492 wrote to memory of 2504	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	56
PID 2492 wrote to memory of 2504	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	56
PID 2492 wrote to memory of 2296	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	58
PID 2492 wrote to memory of 2296	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	58
PID 2492 wrote to memory of 2296	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	58
PID 2492 wrote to memory of 2296	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	58
PID 2492 wrote to memory of 2896	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	60
PID 2492 wrote to memory of 2896	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	60
PID 2492 wrote to memory of 2896	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	60
PID 2492 wrote to memory of 2896	2492	2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_9e4255ce33d2a59b4e7e1c8e675b232d_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:2492
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2424
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2156
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1160
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2080
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2504
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1148
- 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:300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1976

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

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Downloads

memory/2492-1-0x000000000AE00000-0x000000000AF00000-memory.dmp

Filesize
1024KB

Download
memory/2492-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2492-4-0x0000000000230000-0x0000000000247000-memory.dmp

Filesize
92KB

Download
memory/2492-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2492-13-0x000000000AE00000-0x000000000AF00000-memory.dmp

Filesize
1024KB

Download
memory/2492-14-0x0000000000230000-0x0000000000247000-memory.dmp

Filesize
92KB

Download