gandcrab | 684e839937beae1a63ed092320ad26533c23341289e3ca1dcf18b1cd6fabfdcd

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/04/2024, 17:26

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General

Target

2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
Size

326KB
MD5

5eb1b9604acac403d47a6dec07905d90
SHA1

f9f34b64b90fd3491262d4521c4105e21b8d015c
SHA256

684e839937beae1a63ed092320ad26533c23341289e3ca1dcf18b1cd6fabfdcd
SHA512

b88f9bacdd34c6c3f3f6ffb5c085d8a70fcd09624d0ecdce0a4509f9484f3202ebdcff39364d0402c4204def7c50e5dc192d9b406dcab04f5b84c391cad0ef57
SSDEEP

3072:m+V2GtCb0nDlGTM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8JuO:mB/moTXkLHgPitjYVmq+K

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2020-5-0x00000000003B0000-0x00000000003C7000-memory.dmp	family_gandcrab
behavioral1/memory/2020-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/2020-7-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/2020-16-0x00000000003B0000-0x00000000003C7000-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/2020-5-0x00000000003B0000-0x00000000003C7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2020-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2020-7-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2020-16-0x00000000003B0000-0x00000000003C7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2020-5-0x00000000003B0000-0x00000000003C7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2020-16-0x00000000003B0000-0x00000000003C7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2020-5-0x00000000003B0000-0x00000000003C7000-memory.dmp	Gandcrab
behavioral1/memory/2020-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/2020-7-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/2020-16-0x00000000003B0000-0x00000000003C7000-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\roojqinnwfk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\jqgflb.exe\""	2024-04-28_5eb1b9604acac403d47a6dec07905d90_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)	\??\V:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-28_5eb1b9604acac403d47a6dec07905d90_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	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2672	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	28
PID 2020 wrote to memory of 2672	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	28
PID 2020 wrote to memory of 2672	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	28
PID 2020 wrote to memory of 2672	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	28
PID 2020 wrote to memory of 2680	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	30
PID 2020 wrote to memory of 2680	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	30
PID 2020 wrote to memory of 2680	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	30
PID 2020 wrote to memory of 2680	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	30
PID 2020 wrote to memory of 2432	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	32
PID 2020 wrote to memory of 2432	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	32
PID 2020 wrote to memory of 2432	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	32
PID 2020 wrote to memory of 2432	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	32
PID 2020 wrote to memory of 2408	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	34
PID 2020 wrote to memory of 2408	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	34
PID 2020 wrote to memory of 2408	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	34
PID 2020 wrote to memory of 2408	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	34
PID 2020 wrote to memory of 2880	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	36
PID 2020 wrote to memory of 2880	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	36
PID 2020 wrote to memory of 2880	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	36
PID 2020 wrote to memory of 2880	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	36
PID 2020 wrote to memory of 1784	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	38
PID 2020 wrote to memory of 1784	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	38
PID 2020 wrote to memory of 1784	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	38
PID 2020 wrote to memory of 1784	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	38
PID 2020 wrote to memory of 2716	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	40
PID 2020 wrote to memory of 2716	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	40
PID 2020 wrote to memory of 2716	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	40
PID 2020 wrote to memory of 2716	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	40
PID 2020 wrote to memory of 1452	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	44
PID 2020 wrote to memory of 1452	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	44
PID 2020 wrote to memory of 1452	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	44
PID 2020 wrote to memory of 1452	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	44
PID 2020 wrote to memory of 1876	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	46
PID 2020 wrote to memory of 1876	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	46
PID 2020 wrote to memory of 1876	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	46
PID 2020 wrote to memory of 1876	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	46
PID 2020 wrote to memory of 2468	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	48
PID 2020 wrote to memory of 2468	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	48
PID 2020 wrote to memory of 2468	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	48
PID 2020 wrote to memory of 2468	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	48
PID 2020 wrote to memory of 584	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	50
PID 2020 wrote to memory of 584	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	50
PID 2020 wrote to memory of 584	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	50
PID 2020 wrote to memory of 584	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	50
PID 2020 wrote to memory of 2044	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	52
PID 2020 wrote to memory of 2044	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	52
PID 2020 wrote to memory of 2044	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	52
PID 2020 wrote to memory of 2044	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	52
PID 2020 wrote to memory of 2260	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	54
PID 2020 wrote to memory of 2260	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	54
PID 2020 wrote to memory of 2260	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	54
PID 2020 wrote to memory of 2260	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	54
PID 2020 wrote to memory of 828	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	56
PID 2020 wrote to memory of 828	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	56
PID 2020 wrote to memory of 828	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	56
PID 2020 wrote to memory of 828	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	56
PID 2020 wrote to memory of 1976	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	58
PID 2020 wrote to memory of 1976	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	58
PID 2020 wrote to memory of 1976	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	58
PID 2020 wrote to memory of 1976	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	58
PID 2020 wrote to memory of 592	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	60
PID 2020 wrote to memory of 592	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	60
PID 2020 wrote to memory of 592	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	60
PID 2020 wrote to memory of 592	2020	2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-04-28_5eb1b9604acac403d47a6dec07905d90_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_5eb1b9604acac403d47a6dec07905d90_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:2020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2408
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1784
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2260
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1976
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3028
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2072

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/2020-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2020-2-0x0000000001370000-0x0000000001470000-memory.dmp

Filesize
1024KB

Download
memory/2020-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2020-5-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download
memory/2020-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2020-7-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2020-15-0x0000000001370000-0x0000000001470000-memory.dmp

Filesize
1024KB

Download
memory/2020-16-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download