gandcrab | 6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd

General

Target

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
Size

266KB
MD5

8874eefa66fc80432258e5f8b51efb90
SHA1

c7b9cb56c4b5bd87f3f1375326e5a786e4c4fdaf
SHA256

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd
SHA512

e8f09c827d72c79a902af5d11c400828715a2d05a8de3e0b4b3e0357215bd781aca2c1221cb7f4115d582da593183d12ab52c8c29d7d63c9f29f55fbf9cdf4cc

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1972-61-0x0000000000220000-0x0000000000237000-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:

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\qqmuuzuqarn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\agrpdd.exe\""	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.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:

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

description	ioc	process
File opened (read-only)	\??\M:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\O:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\V:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\W:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\X:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\A:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\E:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\H:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\Z:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\K:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\B:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\F:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\J:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\P:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\S:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\U:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\G:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\L:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\N:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\T:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\Y:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\I:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\Q:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
File opened (read-only)	\??\R:	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

636 1972 WerFault.exe 6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

pid	pid_target	process	target process
636	1972	WerFault.exe	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.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:

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exeWerFault.exe

pid	process
1972	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
1972	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
636	WerFault.exe
636	WerFault.exe
636	WerFault.exe
636	WerFault.exe
636	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

636 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 636 WerFault.exe

pid	process
636	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	636	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe

description	pid	process	target process
PID 1972 wrote to memory of 636	1972	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe	WerFault.exe
PID 1972 wrote to memory of 636	1972	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe	WerFault.exe
PID 1972 wrote to memory of 636	1972	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe	WerFault.exe
PID 1972 wrote to memory of 636	1972	6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe
"C:\Users\Admin\AppData\Local\Temp\6ed150ed5592870e158ded825b71762c65f8dd45917ce4ae17d11b599e1755cd.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 700
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:636

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/636-62-0x0000000000000000-mapping.dmp

Download
memory/636-63-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1972-59-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1972-61-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/1972-60-0x0000000000400000-0x000000000055B000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads