gandcrab | 0aa4659363800de51c15c6d15277556baadf92de1987c84ae254696d8d4c14e6

Analysis

max time kernel
147s
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, 05:02

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General

Target

2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
Size

308KB
MD5

cc56e9fb411464465aa11123664df7d4
SHA1

83a986eed377cd7db125b1bea9ce439f64b32276
SHA256

0aa4659363800de51c15c6d15277556baadf92de1987c84ae254696d8d4c14e6
SHA512

d4916c7e427dc3dd70f5800fc52847ff97e4b07e14dc702927973111d363331e018887858386f9f6a7c63cc1b0856d158b8124e3a2d5a5fd3b986ecccd1317fa
SSDEEP

6144:+zL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:8DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2108-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2108-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	family_gandcrab
behavioral1/memory/2108-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2108-13-0x00000000003A0000-0x00000000003B7000-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/2108-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2108-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2108-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2108-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2108-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2108-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2108-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2108-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	Gandcrab
behavioral1/memory/2108-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2108-13-0x00000000003A0000-0x00000000003B7000-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\jekprdtiqmm = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\fpbdss.exe\""	2024-02-18_cc56e9fb411464465aa11123664df7d4_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)	\??\M:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-18_cc56e9fb411464465aa11123664df7d4_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_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2468	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	28
PID 2108 wrote to memory of 2468	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	28
PID 2108 wrote to memory of 2468	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	28
PID 2108 wrote to memory of 2468	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	28
PID 2108 wrote to memory of 2520	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	30
PID 2108 wrote to memory of 2520	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	30
PID 2108 wrote to memory of 2520	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	30
PID 2108 wrote to memory of 2520	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	30
PID 2108 wrote to memory of 2592	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	32
PID 2108 wrote to memory of 2592	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	32
PID 2108 wrote to memory of 2592	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	32
PID 2108 wrote to memory of 2592	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	32
PID 2108 wrote to memory of 2152	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	34
PID 2108 wrote to memory of 2152	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	34
PID 2108 wrote to memory of 2152	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	34
PID 2108 wrote to memory of 2152	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	34
PID 2108 wrote to memory of 2380	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	36
PID 2108 wrote to memory of 2380	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	36
PID 2108 wrote to memory of 2380	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	36
PID 2108 wrote to memory of 2380	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	36
PID 2108 wrote to memory of 2956	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	38
PID 2108 wrote to memory of 2956	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	38
PID 2108 wrote to memory of 2956	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	38
PID 2108 wrote to memory of 2956	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	38
PID 2108 wrote to memory of 2244	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	40
PID 2108 wrote to memory of 2244	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	40
PID 2108 wrote to memory of 2244	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	40
PID 2108 wrote to memory of 2244	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	40
PID 2108 wrote to memory of 1484	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	44
PID 2108 wrote to memory of 1484	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	44
PID 2108 wrote to memory of 1484	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	44
PID 2108 wrote to memory of 1484	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	44
PID 2108 wrote to memory of 1848	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	46
PID 2108 wrote to memory of 1848	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	46
PID 2108 wrote to memory of 1848	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	46
PID 2108 wrote to memory of 1848	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	46
PID 2108 wrote to memory of 768	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	48
PID 2108 wrote to memory of 768	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	48
PID 2108 wrote to memory of 768	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	48
PID 2108 wrote to memory of 768	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	48
PID 2108 wrote to memory of 2648	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	50
PID 2108 wrote to memory of 2648	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	50
PID 2108 wrote to memory of 2648	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	50
PID 2108 wrote to memory of 2648	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	50
PID 2108 wrote to memory of 2880	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	52
PID 2108 wrote to memory of 2880	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	52
PID 2108 wrote to memory of 2880	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	52
PID 2108 wrote to memory of 2880	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	52
PID 2108 wrote to memory of 2040	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	54
PID 2108 wrote to memory of 2040	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	54
PID 2108 wrote to memory of 2040	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	54
PID 2108 wrote to memory of 2040	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	54
PID 2108 wrote to memory of 840	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	56
PID 2108 wrote to memory of 840	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	56
PID 2108 wrote to memory of 840	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	56
PID 2108 wrote to memory of 840	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	56
PID 2108 wrote to memory of 2224	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	58
PID 2108 wrote to memory of 2224	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	58
PID 2108 wrote to memory of 2224	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	58
PID 2108 wrote to memory of 2224	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	58
PID 2108 wrote to memory of 732	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	60
PID 2108 wrote to memory of 732	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	60
PID 2108 wrote to memory of 732	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	60
PID 2108 wrote to memory of 732	2108	2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-18_cc56e9fb411464465aa11123664df7d4_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_cc56e9fb411464465aa11123664df7d4_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:2108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2520
- 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:2152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2380
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1848
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:768
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2648
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:840
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1400
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3064
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1304
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2968

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/2108-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2108-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2108-3-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download
memory/2108-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2108-12-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2108-13-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download