gandcrab | 70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475

General

Target

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
Size

324KB
MD5

07e4c5fc10708124a895ab94f920e6b3
SHA1

749142432ac6e14f8c276915713df1e36d80ffb5
SHA256

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475
SHA512

73a6ac61bfd4646de9c98c1e988b938d53cb706da14e0b0fc1a0b8b4bbfdab4d64082d66a76ecc90d2978e4934e5250c19eb18106d1b3d20ad1c0b9b086b0219

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2000-62-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\aqxadkdrfcm = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\skdlwh.exe\""	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

Enumerates connected drives 3 TTPs 24 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:

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

description	ioc	process
File opened (read-only)	\??\H:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\K:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\R:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\W:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\A:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\G:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\N:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\O:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\P:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\T:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\V:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\Y:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\Z:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\B:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\F:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\U:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\X:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\E:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\I:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\J:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\L:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\M:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\Q:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
File opened (read-only)	\??\S:	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.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:

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

pid	process
2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe

description	pid	process	target process
PID 2000 wrote to memory of 1752	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1752	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1752	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1752	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1744	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1744	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1744	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1744	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1044	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1044	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1044	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1044	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1140	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1140	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1140	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1140	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 964	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 964	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 964	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 964	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1496	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1496	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1496	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe
PID 2000 wrote to memory of 1496	2000	70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe
"C:\Users\Admin\AppData\Local\Temp\70eeebf3fb7307a850ad75badfc24bc399ccfd331d175f3a63cd89e1bbb6a475.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1752

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1744

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1044

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1140

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:964

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

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Downloads

memory/964-67-0x0000000000000000-mapping.dmp

Download
memory/1044-65-0x0000000000000000-mapping.dmp

Download
memory/1140-66-0x0000000000000000-mapping.dmp

Download
memory/1496-68-0x0000000000000000-mapping.dmp

Download
memory/1744-64-0x0000000000000000-mapping.dmp

Download
memory/1752-63-0x0000000000000000-mapping.dmp

Download
memory/2000-60-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/2000-61-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/2000-62-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads