gandcrab | 517efe3e7a94521517ef114f5b659432953c48b2999a00b1f0e7bc8cc29d7b72

General

Target

2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
Size

250KB
MD5

c626076c4c4ca48416e08a8859691479
SHA1

3540ea859ef392b17227f98d61de4c6ead2baf75
SHA256

517efe3e7a94521517ef114f5b659432953c48b2999a00b1f0e7bc8cc29d7b72
SHA512

f911314eecadaea92c51c8b1a8531cf2398d20a2856d03f51d64a975baa41d3db8598b83212d9ce366dce62004711169ece4f46d43ab6fbb1fcabbb0f3408b88
SSDEEP

6144:6+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:2OCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1500-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1500-5-0x0000000000270000-0x0000000000287000-memory.dmp	family_gandcrab
behavioral1/memory/1500-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1500-15-0x0000000000270000-0x0000000000287000-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/1500-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1500-5-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1500-12-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1500-15-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1500-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1500-5-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1500-12-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1500-15-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1500-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1500-5-0x0000000000270000-0x0000000000287000-memory.dmp	Gandcrab
behavioral1/memory/1500-12-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1500-15-0x0000000000270000-0x0000000000287000-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:

2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\fzzrfbirbpi = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zidmwh.exe\""	2024-03-29_c626076c4c4ca48416e08a8859691479_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:

2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\W:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-29_c626076c4c4ca48416e08a8859691479_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:

2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

pid process

1500 2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
1500 2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

pid	process
1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe

description	pid	process	target process
PID 1500 wrote to memory of 2576	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2576	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2576	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2576	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2608	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2608	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2608	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2608	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2588	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2588	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2588	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2588	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2452	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2452	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2452	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2452	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2068	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2068	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2068	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2068	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2764	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2764	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2764	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2764	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 436	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 436	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 436	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 436	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1084	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1084	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1084	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1084	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 760	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 760	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 760	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 760	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1072	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1072	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1072	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1072	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1716	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1716	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1716	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1716	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1836	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1836	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1836	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1836	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 112	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 112	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 112	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 112	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2308	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2308	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2308	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2308	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2988	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2988	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2988	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 2988	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1468	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1468	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1468	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe
PID 1500 wrote to memory of 1468	1500	2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-29_c626076c4c4ca48416e08a8859691479_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_c626076c4c4ca48416e08a8859691479_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:1500

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2576

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2608

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2588

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:2068

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2764

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:436

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1084

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:760

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1072

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1716

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1836

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:112

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2308

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2988

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1468

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2124

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:1932

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1648

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1160

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:952

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1748

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2948

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/1500-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1500-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1500-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1500-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1500-5-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download
memory/1500-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1500-13-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1500-15-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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