gandcrab | 937c6c1673d1f1db9a5da93fa7497b38f5f733fc7a79f6d26a4fecf2af101329

Analysis

max time kernel
147s
max time network
152s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 08:25

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General

Target

2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
Size

99KB
MD5

1967cda21d6cdb6830eede4ab6077a85
SHA1

178202542bd7a43c51da5d3ebcc5661cf338040c
SHA256

937c6c1673d1f1db9a5da93fa7497b38f5f733fc7a79f6d26a4fecf2af101329
SHA512

bc4bf0b5fc8bbff6173862c80bbeb04bc1789772d1956e70ac643f6ec0a123fb794400bc056d86130338eb6923ce3f32c7e93d24dc99543de483cb4dc8cb72f3
SSDEEP

3072:jMSjOnrmBIMqqDL2/mr3IdE8we0Avu5r++ygLIaaypQ8CrS6:jXjOnr6jqqDL6aprYS6

Score

10^/10

gandcrab backdoor persistence ransomware upx

Malware Config

Extracted

Family

gandcrab

http://gdcbghvjyqy7jclk.onion.top/

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp	family_gandcrab
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp	family_gandcrab

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

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp Gandcrab
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp Gandcrab
UPX dump on OEP (original entry point) 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp UPX
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp UPX
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp upx
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp upx

resource	yara_rule
behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp	Gandcrab
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp	Gandcrab

resource	yara_rule
behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp	UPX
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp	UPX

resource	yara_rule
behavioral1/memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp	upx
behavioral1/memory/2200-4-0x00000000008E0000-0x00000000008FC000-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:

2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\tndblwexdee = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe"	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_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:

2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\N:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\W:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\X:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\Z:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\U:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\E:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\G:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\H:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\J:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\P:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\R:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\S:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\I:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\M:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\O:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\Q:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\T:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\V:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\Y:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\B:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\K:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
File opened (read-only)	\??\L:	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.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:

2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

pid process

2200 2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
2200 2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

pid	process
2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe

description	pid	process	target process
PID 2200 wrote to memory of 1396	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1396	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1396	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1396	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2932	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2932	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2932	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2932	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2920	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2920	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2920	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2920	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2644	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2644	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2644	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2644	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1820	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1820	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1820	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1820	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2816	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2816	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2816	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2816	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2000	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2000	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2000	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2000	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1680	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1680	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1680	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1680	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 744	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 744	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 744	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 744	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1616	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1616	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1616	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 1616	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 908	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 908	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 908	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 908	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2252	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2252	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2252	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2252	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2388	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2388	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2388	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2388	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 844	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 844	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 844	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 844	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2964	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2964	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2964	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe
PID 2200 wrote to memory of 2964	2200	2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-20_1967cda21d6cdb6830eede4ab6077a85_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_1967cda21d6cdb6830eede4ab6077a85_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:2200

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1396

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2932

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2920

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2644

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1820

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2816

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2000

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1680

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:744

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1616

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:908

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2252

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2388

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:844

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2964

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/2200-0-0x00000000008E0000-0x00000000008FC000-memory.dmp

Filesize
112KB

Download
memory/2200-4-0x00000000008E0000-0x00000000008FC000-memory.dmp

Filesize
112KB

Download