gandcrab | f37910c34ae71add05e1656aa0830da218f2de55468b6435f7cb282743362a67

General

Target

2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
Size

308KB
MD5

c551c62c36f3cead2ebc5927899e1f09
SHA1

4337637bf3738044fc6305f455234d087a1ad7db
SHA256

f37910c34ae71add05e1656aa0830da218f2de55468b6435f7cb282743362a67
SHA512

7d3e65edbf8286526cfbd4a29ae4506272f88f280b313c8d85bca672f8caecae5881338c5b3fd865830cc67ab0e1d93224496c7d3e1bfd81d39a5c33465f0611
SSDEEP

6144:zzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:BDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2196-3-0x00000000002C0000-0x00000000002D7000-memory.dmp	family_gandcrab
behavioral1/memory/2196-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2196-13-0x00000000002C0000-0x00000000002D7000-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/2196-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2196-3-0x00000000002C0000-0x00000000002D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2196-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2196-13-0x00000000002C0000-0x00000000002D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-3-0x00000000002C0000-0x00000000002D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2196-13-0x00000000002C0000-0x00000000002D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2196-3-0x00000000002C0000-0x00000000002D7000-memory.dmp	Gandcrab
behavioral1/memory/2196-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2196-13-0x00000000002C0000-0x00000000002D7000-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:

2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\tfdwyvjldki = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\knxaui.exe\""	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_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:

2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\M:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_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:

2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

pid process

2196 2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
2196 2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

pid	process
2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe

description	pid	process	target process
PID 2196 wrote to memory of 3004	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 3004	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 3004	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 3004	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2568	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2568	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2568	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2568	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2572	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2572	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2572	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2572	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2980	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2980	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2980	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2980	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2408	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2408	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2408	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2408	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2904	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2904	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2904	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2904	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2776	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2776	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2776	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2776	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2156	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2156	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2156	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2156	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 800	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 800	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 800	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 800	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2228	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2228	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2228	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2228	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 668	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 668	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 668	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 668	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2480	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2480	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2480	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2480	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2344	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2344	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2344	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2344	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 1660	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 1660	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 1660	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 1660	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2452	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2452	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2452	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2452	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2292	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2292	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2292	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe
PID 2196 wrote to memory of 2292	2196	2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-28_c551c62c36f3cead2ebc5927899e1f09_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_c551c62c36f3cead2ebc5927899e1f09_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:2196

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:3004

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2568

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2572

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2980

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2408

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2904

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2776

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2156

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:800

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2228

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:2480

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2344

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1660

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2452

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2292

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2272

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:412

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1376

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1804

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1812

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1924

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2196-1-0x000000000AA50000-0x000000000AB50000-memory.dmp

Filesize
1024KB

Download
memory/2196-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2196-3-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download
memory/2196-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2196-12-0x000000000AA50000-0x000000000AB50000-memory.dmp

Filesize
1024KB

Download
memory/2196-13-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads