gandcrab | 69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11

General

Target

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
Size

276KB
MD5

4babc9d5bf67660a72ce9bdcd764fcd3
SHA1

3840a28d1472c2d3861f085c4290226698ef386a
SHA256

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11
SHA512

1c4300b2bceba60c78484d585d0a525cfce08eed245334d62ef70d246ffcdddeebee73c3fbd6201f3e7b3b6a8380c944d56f5c4e203291447ac98654ba13f79e

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1956-62-0x0000000000220000-0x0000000000237000-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:

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vpqoryhucod = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zjvlvo.exe\""	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.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:

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

description	ioc	process
File opened (read-only)	\??\N:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\Q:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\B:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\E:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\J:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\P:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\Y:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\M:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\R:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\S:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\V:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\W:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\G:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\I:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\K:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\X:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\Z:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\L:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\O:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\T:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\U:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\A:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\F:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
File opened (read-only)	\??\H:	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.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:

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

pid	process
1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe

description	pid	process	target process
PID 1956 wrote to memory of 824	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 824	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 824	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 824	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1668	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1668	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1668	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1668	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1020	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1020	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1020	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1020	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 792	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 792	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 792	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 792	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1240	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1240	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1240	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1240	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1568	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1568	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1568	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe
PID 1956 wrote to memory of 1568	1956	69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe
"C:\Users\Admin\AppData\Local\Temp\69b050b2a7b33b6471180bef7180272614420fcdd3014f46ccca1d1998c86b11.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\nslookup.exe
nslookup zonealarm.bit ns1.corp-servers.ru
2⤵
PID:824

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.corp-servers.ru
2⤵
PID:1668

C:\Windows\SysWOW64\nslookup.exe
nslookup zonealarm.bit ns2.corp-servers.ru
2⤵
PID:1020

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.corp-servers.ru
2⤵
PID:792

C:\Windows\SysWOW64\nslookup.exe
nslookup zonealarm.bit ns1.corp-servers.ru
2⤵
PID:1240

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.corp-servers.ru
2⤵
PID:1568

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

Replay Monitor

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Downloads

memory/792-66-0x0000000000000000-mapping.dmp

Download
memory/824-63-0x0000000000000000-mapping.dmp

Download
memory/1020-65-0x0000000000000000-mapping.dmp

Download
memory/1240-67-0x0000000000000000-mapping.dmp

Download
memory/1568-68-0x0000000000000000-mapping.dmp

Download
memory/1668-64-0x0000000000000000-mapping.dmp

Download
memory/1956-60-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1956-61-0x0000000000400000-0x00000000009F7000-memory.dmp

Filesize
6.0MB

Download
memory/1956-62-0x0000000000220000-0x0000000000237000-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