gandcrab | 7c4a9698c92697218ac3be2983febc8722bfba6c551c89566064cbcd996145e2

General

Target

2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
Size

250KB
MD5

5163ece7441359390611bbdd905c20be
SHA1

24ca4813f88e7b58ace79b284a82aefdf80641ea
SHA256

7c4a9698c92697218ac3be2983febc8722bfba6c551c89566064cbcd996145e2
SHA512

cfda2a33035269829963941a3f9d392386f600a958c1bc66cea6bad2525eddd8153103fac9ca124aafaa7ac74d298e9ab4d3a696cb72089f98c6b47daf652ee0
SSDEEP

3072:y/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:y/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1968-5-0x0000000000270000-0x0000000000287000-memory.dmp	family_gandcrab
behavioral1/memory/1968-7-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1968-16-0x0000000000270000-0x0000000000287000-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/1968-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1968-5-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1968-7-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1968-16-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1968-5-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1968-7-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1968-16-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1968-5-0x0000000000270000-0x0000000000287000-memory.dmp	Gandcrab
behavioral1/memory/1968-7-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1968-16-0x0000000000270000-0x0000000000287000-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:

2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\kaprshzcwij = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zldmsd.exe\""	2024-03-31_5163ece7441359390611bbdd905c20be_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:

2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\P:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_5163ece7441359390611bbdd905c20be_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:

2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

pid process

1968 2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
1968 2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

pid	process
1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe

description	pid	process	target process
PID 1968 wrote to memory of 2668	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2668	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2668	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2668	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2776	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2776	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2776	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2776	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2432	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2432	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2432	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2432	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2412	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2412	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2412	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2412	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2956	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2956	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2956	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2956	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2588	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 876	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 876	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 876	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 876	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1520	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1520	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1520	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1520	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2656	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2656	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2656	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2656	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 860	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 860	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 860	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 860	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2504	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2504	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2504	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2504	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2040	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2040	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2040	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 2040	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1976	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1976	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1976	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1976	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1428	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1428	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1428	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1428	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1712	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1712	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1712	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe
PID 1968 wrote to memory of 1712	1968	2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_5163ece7441359390611bbdd905c20be_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_5163ece7441359390611bbdd905c20be_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:1968

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2668

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2432

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2412

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2956

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1588

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:876

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1520

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:860

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2504

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2040

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1976

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1428

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1712

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1056

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3000

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1608

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1236

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:280

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

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

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Downloads

memory/1968-2-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1968-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1968-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1968-5-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download
memory/1968-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1968-15-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1968-16-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads