gandcrab | b52c7023a0da4c5875222cd1b93e83415f9f619a4dda46551f9b3a1261bc32a9

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16-03-2024 04:12

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General

Target

2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
Size

326KB
MD5

32e613d941921a5bd4eb3bef22137c68
SHA1

80d03066fc682e87bccf52cd06c58d5d69eac335
SHA256

b52c7023a0da4c5875222cd1b93e83415f9f619a4dda46551f9b3a1261bc32a9
SHA512

97152e4d5316a3b18c30f5b1b05befbf791adf9c22ed640d8b2843ec1ee8c107b9e859bf11b09164d068b38bdc6bf0f7f4bb7a18a94629b226ae590a639c890d
SSDEEP

3072:T3V2GtCCCnDlMTM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8Ju8:T8WUuTXkLHgPitjYVmq+I

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2964-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/2964-5-0x00000000002D0000-0x00000000002E7000-memory.dmp	family_gandcrab
behavioral1/memory/2964-12-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/2964-15-0x00000000002D0000-0x00000000002E7000-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/2964-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2964-5-0x00000000002D0000-0x00000000002E7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2964-12-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2964-15-0x00000000002D0000-0x00000000002E7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2964-5-0x00000000002D0000-0x00000000002E7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2964-15-0x00000000002D0000-0x00000000002E7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2964-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/2964-5-0x00000000002D0000-0x00000000002E7000-memory.dmp	Gandcrab
behavioral1/memory/2964-12-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/2964-15-0x00000000002D0000-0x00000000002E7000-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\cooyxxjjlkp = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\xnsbfo.exe\""	2024-03-16_32e613d941921a5bd4eb3bef22137c68_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)	\??\S:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-16_32e613d941921a5bd4eb3bef22137c68_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	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2608	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	28
PID 2964 wrote to memory of 2608	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	28
PID 2964 wrote to memory of 2608	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	28
PID 2964 wrote to memory of 2608	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	28
PID 2964 wrote to memory of 2592	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	30
PID 2964 wrote to memory of 2592	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	30
PID 2964 wrote to memory of 2592	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	30
PID 2964 wrote to memory of 2592	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	30
PID 2964 wrote to memory of 2492	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	32
PID 2964 wrote to memory of 2492	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	32
PID 2964 wrote to memory of 2492	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	32
PID 2964 wrote to memory of 2492	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	32
PID 2964 wrote to memory of 2524	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	34
PID 2964 wrote to memory of 2524	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	34
PID 2964 wrote to memory of 2524	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	34
PID 2964 wrote to memory of 2524	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	34
PID 2964 wrote to memory of 1112	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	36
PID 2964 wrote to memory of 1112	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	36
PID 2964 wrote to memory of 1112	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	36
PID 2964 wrote to memory of 1112	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	36
PID 2964 wrote to memory of 2108	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	38
PID 2964 wrote to memory of 2108	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	38
PID 2964 wrote to memory of 2108	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	38
PID 2964 wrote to memory of 2108	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	38
PID 2964 wrote to memory of 2832	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	42
PID 2964 wrote to memory of 2832	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	42
PID 2964 wrote to memory of 2832	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	42
PID 2964 wrote to memory of 2832	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	42
PID 2964 wrote to memory of 2760	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	44
PID 2964 wrote to memory of 2760	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	44
PID 2964 wrote to memory of 2760	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	44
PID 2964 wrote to memory of 2760	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	44
PID 2964 wrote to memory of 3048	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	46
PID 2964 wrote to memory of 3048	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	46
PID 2964 wrote to memory of 3048	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	46
PID 2964 wrote to memory of 3048	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	46
PID 2964 wrote to memory of 1792	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	48
PID 2964 wrote to memory of 1792	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	48
PID 2964 wrote to memory of 1792	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	48
PID 2964 wrote to memory of 1792	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	48
PID 2964 wrote to memory of 888	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	50
PID 2964 wrote to memory of 888	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	50
PID 2964 wrote to memory of 888	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	50
PID 2964 wrote to memory of 888	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	50
PID 2964 wrote to memory of 2384	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	52
PID 2964 wrote to memory of 2384	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	52
PID 2964 wrote to memory of 2384	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	52
PID 2964 wrote to memory of 2384	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	52
PID 2964 wrote to memory of 596	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	54
PID 2964 wrote to memory of 596	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	54
PID 2964 wrote to memory of 596	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	54
PID 2964 wrote to memory of 596	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	54
PID 2964 wrote to memory of 1216	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	56
PID 2964 wrote to memory of 1216	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	56
PID 2964 wrote to memory of 1216	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	56
PID 2964 wrote to memory of 1216	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	56
PID 2964 wrote to memory of 668	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	58
PID 2964 wrote to memory of 668	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	58
PID 2964 wrote to memory of 668	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	58
PID 2964 wrote to memory of 668	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	58
PID 2964 wrote to memory of 1504	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	60
PID 2964 wrote to memory of 1504	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	60
PID 2964 wrote to memory of 1504	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	60
PID 2964 wrote to memory of 1504	2964	2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-16_32e613d941921a5bd4eb3bef22137c68_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-16_32e613d941921a5bd4eb3bef22137c68_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:2964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2492
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2524
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2832
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3048
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:668
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1504
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:652

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/2964-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2964-2-0x0000000001380000-0x0000000001480000-memory.dmp

Filesize
1024KB

Download
memory/2964-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2964-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2964-5-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download
memory/2964-12-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2964-13-0x0000000001380000-0x0000000001480000-memory.dmp

Filesize
1024KB

Download
memory/2964-15-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download