gandcrab | e502d4984195fd77a53bfbc8ab9593bd935816a82f00c5f8eacac49768b019ef

General

Target

2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
Size

250KB
MD5

505992caf61766dea49194c0e3744772
SHA1

3327eaa55948fc66a51419326ab51c409f33f035
SHA256

e502d4984195fd77a53bfbc8ab9593bd935816a82f00c5f8eacac49768b019ef
SHA512

294b80c68da6118c68a94c8e737615b86a90f84cfa79aa578f21fed754624c38e1720076eae2ecef7dfaf094bf66b4281defaf13757064b6a1229bf9d857c74d
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2208-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2208-6-0x0000000000320000-0x0000000000337000-memory.dmp	family_gandcrab
behavioral1/memory/2208-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2208-16-0x0000000000320000-0x0000000000337000-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/2208-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2208-6-0x0000000000320000-0x0000000000337000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2208-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2208-16-0x0000000000320000-0x0000000000337000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2208-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2208-6-0x0000000000320000-0x0000000000337000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2208-13-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2208-16-0x0000000000320000-0x0000000000337000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2208-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2208-6-0x0000000000320000-0x0000000000337000-memory.dmp	Gandcrab
behavioral1/memory/2208-13-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2208-16-0x0000000000320000-0x0000000000337000-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_505992caf61766dea49194c0e3744772_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ubiscnjhkde = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\oaibth.exe\""	2024-03-31_505992caf61766dea49194c0e3744772_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_505992caf61766dea49194c0e3744772_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\V:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_505992caf61766dea49194c0e3744772_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_505992caf61766dea49194c0e3744772_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe

pid process

2208 2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
2208 2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe

pid	process
2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe

description	pid	process	target process
PID 2208 wrote to memory of 2564	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2564	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2564	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2564	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2444	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2444	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2444	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2444	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2440	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2440	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2440	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2440	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3044	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3044	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3044	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3044	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1984	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1984	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1984	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1984	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2760	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2760	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2760	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2760	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1636	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1636	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1636	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1636	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2328	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2328	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2328	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2328	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2408	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2408	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2408	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2408	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 584	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 584	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 584	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 584	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2696	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2696	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2696	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2696	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1804	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1804	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1804	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1804	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2016	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2016	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2016	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2016	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2996	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2996	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2996	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 2996	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3028	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3028	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3028	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 3028	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1952	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1952	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1952	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe
PID 2208 wrote to memory of 1952	2208	2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_505992caf61766dea49194c0e3744772_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_505992caf61766dea49194c0e3744772_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:2208

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2564

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2444

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2440

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3044

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1984

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2760

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1636

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2328

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2408

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:584

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2696

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:2016

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2996

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3028

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1952

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2108

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:668

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1352

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1780

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1604

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2240

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/2208-2-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2208-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2208-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2208-6-0x0000000000320000-0x0000000000337000-memory.dmp

Filesize
92KB

Download
memory/2208-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2208-15-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2208-16-0x0000000000320000-0x0000000000337000-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