gandcrab | 0837ea3c5e0a86168ded966aca50add80e1b533b99a00b4a6b5d5f6a497de146

Resubmissions

30-06-2024 01:13

240630-blhaps1emd 10

29-06-2024 20:58

240629-zscksswdje 10

Analysis

max time kernel
158s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 01:13

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General

Target

2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
Size

240KB
MD5

88c33d9670490f003390bd5b00cbc76d
SHA1

0563481e0b88924d1f19fbe4f1afec283fe448e6
SHA256

0837ea3c5e0a86168ded966aca50add80e1b533b99a00b4a6b5d5f6a497de146
SHA512

0faa29d0b2d62a288b47ca5ad735c3c8b2a6c7c6cd5e90bd1f845ac956de3190f6849d61024cb7347411fdd870eea77c7380f44b87ddbe33ff25a039f1a4b2b8
SSDEEP

3072:qYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHk:qycqqDL6oREzZpE

Score

10^/10

gandcrab backdoor persistence ransomware upx

Malware Config

Signatures

GandCrab payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5068-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral2/memory/5068-4-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral2/memory/5068-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/5068-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/5068-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/5068-18-0x0000000000400000-0x000000000043C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\bqarwsjnsmu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

Enumerates connected drives 3 TTPs 23 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:

2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\N:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\P:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\T:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\Y:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\G:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\I:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\L:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\M:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\Q:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\R:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\U:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\Z:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\E:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\J:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\S:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\X:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\A:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\H:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\O:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\V:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\W:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\B:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
File opened (read-only)	\??\K:	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.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:

2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exetaskmgr.exe

pid	process
5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

taskmgr.exe

description	pid	process
Token: SeDebugPrivilege	5032	taskmgr.exe
Token: SeSystemProfilePrivilege	5032	taskmgr.exe
Token: SeCreateGlobalPrivilege	5032	taskmgr.exe
Token: 33	5032	taskmgr.exe
Token: SeIncBasePriorityPrivilege	5032	taskmgr.exe

Suspicious use of FindShellTrayWindow 40 IoCs

Processes:

taskmgr.exe

pid	process
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe

Suspicious use of SendNotifyMessage 40 IoCs

Processes:

taskmgr.exe

pid	process
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe
5032	taskmgr.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

description	pid	process	target process
PID 5068 wrote to memory of 3720	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3720	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3720	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1968	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1968	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1968	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4088	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4088	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4088	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1516	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1516	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1516	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3192	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3192	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3192	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 2372	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 2372	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 2372	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1116	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1116	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 1116	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4076	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4076	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4076	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4196	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4196	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4196	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3124	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3124	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3124	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3064	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3064	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 3064	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4748	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4748	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4748	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4064	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4064	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 4064	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 5104	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 5104	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 5104	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 2656	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 2656	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe
PID 5068 wrote to memory of 2656	5068	2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5068

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3720

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1968

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4088

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1516

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3192

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2372

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1116

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4076

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4196

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3124

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3064

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4748

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4064

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:5104

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2656

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5032

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5032-17-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-7-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-6-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-5-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-13-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-16-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-15-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-14-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-12-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5032-11-0x0000021B26790000-0x0000021B26791000-memory.dmp

Filesize
4KB

Download
memory/5068-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5068-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5068-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download