gandcrab | 2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e

General

Target

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
Size

320KB
MD5

103a75dfc9efa5283555bc538f38898a
SHA1

ebe5cc5a41e9c40b5041d9d2581995f3b6aa81bd
SHA256

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e
SHA512

814a3f64e43c4035443ac4baddfaa610cd471f82d3617df5b54c2f7b38eda831e099e372f784606165fe45694056f3032d9452e0b845c7cf5ac94e4300dc3224

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/604-62-0x0000000000240000-0x0000000000257000-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:

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\oiqaqffcfui = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ysmose.exe\""	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.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:

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

description	ioc	process
File opened (read-only)	\??\P:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\R:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\S:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\A:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\F:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\H:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\L:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\M:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\T:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\B:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\G:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\J:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\Z:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\Y:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\K:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\N:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\O:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\Q:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\X:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\E:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\I:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\U:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\V:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
File opened (read-only)	\??\W:	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.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:

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

pid	process
604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe

description	pid	process	target process
PID 604 wrote to memory of 584	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 584	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 584	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 584	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 744	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 744	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 744	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 744	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 848	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 848	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 848	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 848	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1556	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1556	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1556	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1556	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1984	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1984	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1984	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 1984	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 784	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 784	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 784	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe
PID 604 wrote to memory of 784	604	2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe
"C:\Users\Admin\AppData\Local\Temp\2d427458f0c4e9ba28d6d9f785c365213c0ac9e3527e3efa7dedd90e009fef5e.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:584

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:744

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:848

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1556

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:784

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/584-63-0x0000000000000000-mapping.dmp

Download
memory/604-60-0x0000000000400000-0x000000000238C000-memory.dmp

Filesize
31.5MB

Download
memory/604-61-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download
memory/604-62-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/744-64-0x0000000000000000-mapping.dmp

Download
memory/784-68-0x0000000000000000-mapping.dmp

Download
memory/848-65-0x0000000000000000-mapping.dmp

Download
memory/1556-66-0x0000000000000000-mapping.dmp

Download
memory/1984-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads