gandcrab | daeae69e322553e048c1a885c144d9d1af3d15b8184ca7a12b5dcb2de04ab7cc

Analysis

max time kernel
22s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:45

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General

Target

2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
Size

250KB
MD5

83038ce0fd442418738ea54f717d9971
SHA1

5ef135c6b72aeaf798fe2574302b224eeb6f9ed6
SHA256

daeae69e322553e048c1a885c144d9d1af3d15b8184ca7a12b5dcb2de04ab7cc
SHA512

eec8f42ddce66ff310550b0800b3eeeb50380a7359ef654808052224185c7f99a84bed8347ca73b51900f9ab2f9406a4e46c502568bdb02b920cb1cd5e7a6024
SSDEEP

6144:B+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:hOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2800-4-0x00000000002E0000-0x00000000002F7000-memory.dmp	family_gandcrab
behavioral1/memory/2800-6-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2800-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2800-14-0x00000000002E0000-0x00000000002F7000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Unexpected DNS network traffic destination 64 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	107.178.223.183
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21
Destination IP	104.155.138.21

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\yqyexypajfb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\jtrcnh.exe\""	2024-01-01_83038ce0fd442418738ea54f717d9971_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)	\??\J:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-01-01_83038ce0fd442418738ea54f717d9971_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	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2496	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	29
PID 2800 wrote to memory of 2496	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	29
PID 2800 wrote to memory of 2496	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	29
PID 2800 wrote to memory of 2496	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	29
PID 2800 wrote to memory of 2088	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	31
PID 2800 wrote to memory of 2088	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	31
PID 2800 wrote to memory of 2088	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	31
PID 2800 wrote to memory of 2088	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	31
PID 2800 wrote to memory of 2852	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	33
PID 2800 wrote to memory of 2852	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	33
PID 2800 wrote to memory of 2852	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	33
PID 2800 wrote to memory of 2852	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	33
PID 2800 wrote to memory of 2976	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	35
PID 2800 wrote to memory of 2976	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	35
PID 2800 wrote to memory of 2976	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	35
PID 2800 wrote to memory of 2976	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	35
PID 2800 wrote to memory of 2184	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	36
PID 2800 wrote to memory of 2184	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	36
PID 2800 wrote to memory of 2184	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	36
PID 2800 wrote to memory of 2184	2800	2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe	36

C:\Users\Admin\AppData\Local\Temp\2024-01-01_83038ce0fd442418738ea54f717d9971_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_83038ce0fd442418738ea54f717d9971_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:2800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2088
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2976
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2184
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2668
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:3056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2204
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1776
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2080
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2064
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1884
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:908
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2176
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2444
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2980
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2776
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2052

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/2800-0-0x00000000002B0000-0x00000000002CB000-memory.dmp

Filesize
108KB

Download
memory/2800-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2800-1-0x00000000002B0000-0x00000000002CB000-memory.dmp

Filesize
108KB

Download
memory/2800-4-0x00000000002E0000-0x00000000002F7000-memory.dmp

Filesize
92KB

Download
memory/2800-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2800-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2800-14-0x00000000002E0000-0x00000000002F7000-memory.dmp

Filesize
92KB

Download