gandcrab | fd539ad58f155836367c4ecf71bf98bcefcb2559769c09e6d3ca5cf4c364734f

General

Target

2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
Size

250KB
MD5

4939913a70c09ec6da0b27dd455f388c
SHA1

353d5cef988e62728248205f7fd71664bd63a93c
SHA256

fd539ad58f155836367c4ecf71bf98bcefcb2559769c09e6d3ca5cf4c364734f
SHA512

b6dd9f6101e948c497af5f14e0f03557eff36bfb7b1aa9e65e96c411747c5a5b232a260f87640d62584916788a7a1fd459a8fba782a5e0bb62bd48491eff6232
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2484-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2484-5-0x00000000003C0000-0x00000000003D7000-memory.dmp	family_gandcrab
behavioral1/memory/2484-7-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2484-16-0x00000000003C0000-0x00000000003D7000-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/2484-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2484-5-0x00000000003C0000-0x00000000003D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2484-7-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2484-16-0x00000000003C0000-0x00000000003D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2484-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2484-5-0x00000000003C0000-0x00000000003D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2484-7-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2484-16-0x00000000003C0000-0x00000000003D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2484-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2484-5-0x00000000003C0000-0x00000000003D7000-memory.dmp	Gandcrab
behavioral1/memory/2484-7-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2484-16-0x00000000003C0000-0x00000000003D7000-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:

2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\dhkqmcxtjjq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ybjvpo.exe\""	2024-04-23_4939913a70c09ec6da0b27dd455f388c_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:

2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\Z:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_4939913a70c09ec6da0b27dd455f388c_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:

2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

pid process

2484 2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
2484 2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

pid	process
2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe

description	pid	process	target process
PID 2484 wrote to memory of 2692	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2692	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2692	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2692	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2528	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2528	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2528	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2528	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2968	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2968	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2968	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2968	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2396	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2396	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2396	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2396	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2320	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2320	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2320	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2320	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1612	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1612	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1612	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1612	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2684	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2684	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2684	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2684	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1532	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1532	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1532	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1532	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 288	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 288	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 288	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 288	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2656	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2656	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2656	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2656	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2896	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2896	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2896	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2896	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1944	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1944	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1944	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1944	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2504	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2504	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2504	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 2504	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 536	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 536	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 536	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 536	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1012	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1012	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1012	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1012	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1804	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1804	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1804	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe
PID 2484 wrote to memory of 1804	2484	2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_4939913a70c09ec6da0b27dd455f388c_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_4939913a70c09ec6da0b27dd455f388c_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:2484

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2692

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2528

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2968

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2396

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2320

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1612

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2684

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1532

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:288

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:2896

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1944

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

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:536

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1012

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:2784

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:344

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:784

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/2484-2-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2484-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2484-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2484-5-0x00000000003C0000-0x00000000003D7000-memory.dmp

Filesize
92KB

Download
memory/2484-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2484-14-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2484-16-0x00000000003C0000-0x00000000003D7000-memory.dmp

Filesize
92KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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