gandcrab | a8eafe53ffb75bc2073dfd58131bf7dcbba27a3e138a0102b3af08147d18b9e3

General

Target

2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
Size

326KB
MD5

22af763d4728f31631825ab338d2598a
SHA1

550ce3e8dea42d230b8c6c3ba067cfcbcd2df365
SHA256

a8eafe53ffb75bc2073dfd58131bf7dcbba27a3e138a0102b3af08147d18b9e3
SHA512

8ec35193390b42a357e5a1e344fa9953c01d4f3f11871e9fb6bd3417150eca70ef7b1ce1cd28caf9f454bab3add7e83e9ed331b66ec817ead61069071d2da4b1
SSDEEP

3072:E+V2GtCbCnDl0TM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8Ju/:EB/USTXkLHgPitjYVmq+L

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1812-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1812-6-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/1812-13-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1812-16-0x0000000000220000-0x0000000000237000-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

Processes:

resource	yara_rule
behavioral1/memory/1812-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1812-6-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1812-13-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1812-16-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1812-6-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1812-16-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1812-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1812-6-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/1812-13-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1812-16-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wrsilwolngf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\avbcyw.exe\""	2024-04-23_22af763d4728f31631825ab338d2598a_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

Processes:

2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\H:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_22af763d4728f31631825ab338d2598a_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

Processes:

2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

pid process

1812 2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
1812 2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

pid	process
1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe

description	pid	process	target process
PID 1812 wrote to memory of 2516	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2516	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2516	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2516	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2420	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2420	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2420	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2420	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2396	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2396	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2396	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2396	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2436	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2436	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2436	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2436	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2740	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2740	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2740	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2740	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1476	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1476	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1476	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1476	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1452	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1452	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1452	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1452	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2736	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2736	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2736	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2736	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 692	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 692	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 692	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 692	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 984	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 984	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 984	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 984	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1372	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1372	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1372	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1372	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2276	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2276	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2276	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2276	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2376	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2376	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2376	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 2376	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1616	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1616	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1616	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 1616	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe
PID 1812 wrote to memory of 988	1812	2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_22af763d4728f31631825ab338d2598a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_22af763d4728f31631825ab338d2598a_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:1812

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2516

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2420

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2396

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2436

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2740

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1476

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1452

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2736

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:984

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1372

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1988

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2276

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2376

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1616

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:988

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:708

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:1880

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1812-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1812-2-0x0000000001430000-0x0000000001530000-memory.dmp

Filesize
1024KB

Download
memory/1812-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1812-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1812-6-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/1812-13-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1812-14-0x0000000001430000-0x0000000001530000-memory.dmp

Filesize
1024KB

Download
memory/1812-16-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads