gandcrab | b9584ea352362ac16c1fa822304510f0eb6d535b3605c04163ad286fe1b433ee

General

Target

2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
Size

266KB
MD5

e557fafc155e20fb944514576b55eeff
SHA1

c114dacb149198c96e68d5ce9765b7a0d815a63f
SHA256

b9584ea352362ac16c1fa822304510f0eb6d535b3605c04163ad286fe1b433ee
SHA512

4d358ab7f375c56010f0434b65df038c1e4b8b760253a0518b5c90226808c2eddfe9591d3a05d79d90f07f04991b9bde7eb420ca22403cd9a98103742407c4ef
SSDEEP

3072:U/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOdZ:U/y20Gj0r+EBFrkvlU3RvIUDOIL

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3036-5-0x0000000000400000-0x0000000000448000-memory.dmp	family_gandcrab
behavioral1/memory/3036-7-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/3036-14-0x0000000000400000-0x0000000000448000-memory.dmp	family_gandcrab
behavioral1/memory/3036-17-0x0000000000220000-0x0000000000237000-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/3036-5-0x0000000000400000-0x0000000000448000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/3036-7-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/3036-14-0x0000000000400000-0x0000000000448000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/3036-17-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3036-5-0x0000000000400000-0x0000000000448000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/3036-7-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/3036-14-0x0000000000400000-0x0000000000448000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/3036-17-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3036-5-0x0000000000400000-0x0000000000448000-memory.dmp	Gandcrab
behavioral1/memory/3036-7-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/3036-14-0x0000000000400000-0x0000000000448000-memory.dmp	Gandcrab
behavioral1/memory/3036-17-0x0000000000220000-0x0000000000237000-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:

2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jufhzfmpmem = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\rfybru.exe\""	2024-03-31_e557fafc155e20fb944514576b55eeff_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_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\I:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_e557fafc155e20fb944514576b55eeff_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_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

pid process

3036 2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
3036 2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

pid	process
3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe

description	pid	process	target process
PID 3036 wrote to memory of 2536	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2536	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2536	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2536	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2832	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2832	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2832	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2832	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2460	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2460	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2460	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2460	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2484	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2484	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2484	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2484	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2980	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2980	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2980	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2980	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1276	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1276	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1276	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1276	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2976	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2976	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2976	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2976	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2284	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2284	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2284	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2284	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2400	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2400	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2400	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2400	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2764	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2764	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2764	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2764	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2712	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2712	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2712	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2712	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2768	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2768	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2768	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2768	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1100	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1100	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1100	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 1100	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2244	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2244	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2244	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2244	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2044	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2044	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2044	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2044	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2080	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2080	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2080	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe
PID 3036 wrote to memory of 2080	3036	2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_e557fafc155e20fb944514576b55eeff_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_e557fafc155e20fb944514576b55eeff_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:3036

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2536

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2832

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2460

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2484

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

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1276

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2976

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2284

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2400

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:2712

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2768

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1100

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2244

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2044

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2080

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1040

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1056

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:456

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:740

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2644

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1724

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3012

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/3036-0-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3036-3-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/3036-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3036-5-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3036-7-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/3036-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3036-15-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/3036-17-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads