gandcrab | 098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264

General

Target

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
Size

244KB
MD5

514aa7f1207dd2504136f82ab9a7767c
SHA1

c039e9856776340d5b5a6a9925ab77c5e4221ad9
SHA256

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264
SHA512

36f5b6e6f1669d9f392c05e1201bfffdaa8755df14b8b70f3cdb817c15aa6a04270fccdd2b0372b8d43d8a281236a78ae9d11acb1459f26e2f9b2ee437c5c1b0

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/624-116-0x0000000000730000-0x0000000000747000-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:

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ijwawjcskde = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\gznzzi.exe\""	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.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:

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

description	ioc	process
File opened (read-only)	\??\H:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\K:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\L:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\X:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\Z:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\A:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\E:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\G:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\U:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\F:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\N:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\O:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\P:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\Q:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\T:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\V:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\W:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\B:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\I:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\M:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\Y:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\J:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\R:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
File opened (read-only)	\??\S:	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

Drops file in Windows directory 1 IoCs

Processes:

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

description ioc process

File opened for modification C:\Windows\win.ini 098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

description	ioc	process
File opened for modification	C:\Windows\win.ini	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.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:

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

pid	process
624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe

description	pid	process	target process
PID 624 wrote to memory of 404	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 404	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 404	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 2364	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 2364	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 2364	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 568	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 568	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 568	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 3544	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 3544	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 3544	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 636	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 636	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 636	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 3808	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 3808	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe
PID 624 wrote to memory of 3808	624	098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe
"C:\Users\Admin\AppData\Local\Temp\098495cc8a938035dc25139056097d9ef985f7ed33fbba59668b1f73ee154264.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:404

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2364

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:568

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3544

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:636

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3808

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/404-117-0x0000000000000000-mapping.dmp

Download
memory/568-119-0x0000000000000000-mapping.dmp

Download
memory/624-114-0x0000000000710000-0x000000000072B000-memory.dmp

Filesize
108KB

Download
memory/624-115-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/624-116-0x0000000000730000-0x0000000000747000-memory.dmp

Filesize
92KB

Download
memory/636-121-0x0000000000000000-mapping.dmp

Download
memory/2364-118-0x0000000000000000-mapping.dmp

Download
memory/3544-120-0x0000000000000000-mapping.dmp

Download
memory/3808-122-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads