gandcrab | 48f5594738d84d9f323b21374a88b0403b8a80a9a41df4f1e479fd9f4ea0c7f6

General

Target

2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
Size

308KB
MD5

ac71b4a5b4e67b6815ed0186663c8fef
SHA1

bd0afde0895ef66b469e4110d915b183789f872b
SHA256

48f5594738d84d9f323b21374a88b0403b8a80a9a41df4f1e479fd9f4ea0c7f6
SHA512

6a4856145a9f29918f457d1064bfd2c1a2939431dc5135d05dea942f88a1f5e9a52dc56e3d0da432e5a18d9b274ef06348917b28fcfbf43868166caab8c7e11c
SSDEEP

6144:EzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:SDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-2-0x0000000000340000-0x0000000000357000-memory.dmp	family_gandcrab
behavioral1/memory/2268-1-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2268-9-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab

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

Detects Reflective DLL injection artifacts 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-2-0x0000000000340000-0x0000000000357000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2268-1-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2268-9-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-2-0x0000000000340000-0x0000000000357000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-2-0x0000000000340000-0x0000000000357000-memory.dmp	Gandcrab
behavioral1/memory/2268-1-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2268-9-0x0000000000400000-0x0000000001400000-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:

2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\nfchlikveqf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lzpdno.exe\""	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_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:

2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\O:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_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:

2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

pid process

2268 2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
2268 2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

pid	process
2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe

description	pid	process	target process
PID 2268 wrote to memory of 2524	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2524	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2524	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2524	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2752	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2752	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2752	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2752	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2656	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2656	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2656	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2656	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2452	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2452	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2452	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2452	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2424	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2424	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2424	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2424	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2824	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2824	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2824	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2824	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1736	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1736	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1736	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1736	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1536	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1536	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1536	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1536	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1588	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1588	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1588	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1588	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1540	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1540	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1540	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1540	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1956	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1956	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1956	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1956	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1340	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1340	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1340	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1340	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 860	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 860	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 860	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 860	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 3056	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 3056	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 3056	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 3056	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2012	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2012	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2012	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 2012	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1988	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1988	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1988	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe
PID 2268 wrote to memory of 1988	2268	2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_ac71b4a5b4e67b6815ed0186663c8fef_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:2268

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2524

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2752

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2656

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2452

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2424

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2824

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1736

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1536

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1588

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1540

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1956

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1340

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:860

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3056

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2012

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:1172

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:804

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

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2992

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:952

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1832

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2080

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2056

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

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Downloads

memory/2268-2-0x0000000000340000-0x0000000000357000-memory.dmp

Filesize
92KB

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memory/2268-1-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

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memory/2268-9-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads