gandcrab | 07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933

General

Target

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
Size

317KB
MD5

7f4a9f0552eefce3d931e449d6fcbd40
SHA1

d68fe0768d54b33488a1f67fcb8a0208183d6b3b
SHA256

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933
SHA512

eeb7928606ae067e18503cd3f228efa1efd7481b0d0c1852ec9803b689725fd83586d424033db815a7cc36c77507c510050a84cdf5bc9ed7fd7d4409e1c4da98

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1956-62-0x0000000000230000-0x0000000000247000-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:

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\bmpxossrvfo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe"	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.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:

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

description	ioc	process
File opened (read-only)	\??\N:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\S:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\T:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\V:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\A:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\B:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\F:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\M:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\X:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\R:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\Z:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\J:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\K:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\P:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\Q:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\Y:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\H:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\I:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\O:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\U:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\E:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\G:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\L:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
File opened (read-only)	\??\W:	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.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:

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

pid	process
1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe

description	pid	process	target process
PID 1956 wrote to memory of 1160	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1160	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1160	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1160	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1576	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1576	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1576	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1576	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1836	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1836	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1836	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1836	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 548	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 548	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 548	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 548	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1436	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1436	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1436	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 1436	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 456	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 456	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 456	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe
PID 1956 wrote to memory of 456	1956	07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.exe
"C:\Users\Admin\AppData\Local\Temp\07a13794be9cdbd3e2f17a7618be3099c0fc6270bb70bdc7b785b9b67324e933.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.cloud-name.ru
2⤵
PID:1160

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.cloud-name.ru
2⤵
PID:1576

C:\Windows\SysWOW64\nslookup.exe
nslookup zonealarm.bit ns2.cloud-name.ru
2⤵
PID:1836

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.cloud-name.ru
2⤵
PID:548

C:\Windows\SysWOW64\nslookup.exe
nslookup zonealarm.bit ns1.cloud-name.ru
2⤵
PID:1436

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.cloud-name.ru
2⤵
PID:456

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/456-68-0x0000000000000000-mapping.dmp

Download
memory/548-66-0x0000000000000000-mapping.dmp

Download
memory/1160-63-0x0000000000000000-mapping.dmp

Download
memory/1436-67-0x0000000000000000-mapping.dmp

Download
memory/1576-64-0x0000000000000000-mapping.dmp

Download
memory/1836-65-0x0000000000000000-mapping.dmp

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

Filesize
8KB

Download
memory/1956-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1956-62-0x0000000000230000-0x0000000000247000-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