gandcrab | 96e205c5c31526fc73e371cbaf00a2a9d933ce77099a8a9a49e58e3933f4e354

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-06-2024 11:46

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General

Target

b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
Size

97KB
MD5

b8734883befc14f669b6e8900548562e
SHA1

693efc078f5841c86ad984f22311949bf93f7991
SHA256

96e205c5c31526fc73e371cbaf00a2a9d933ce77099a8a9a49e58e3933f4e354
SHA512

9ddb15cec39c4f34036413d7744229c6cbbaf185d27a890e3f84e29b31c8228e2d57aea13fe91212e1ff3c652f1762ceaab0705d3bfe59e176a81faf7b32e4a3
SSDEEP

1536:iZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAEMqqU+2bbbAV2/S2LNmHkD:EBounVyFHFMqqDL2/LgHkc2

Score

10^/10

gandcrab backdoor persistence ransomware upx

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1524-0-0x000000000F1B0000-0x000000000F1CB000-memory.dmp	family_gandcrab
behavioral2/memory/1524-4-0x000000000F1B0000-0x000000000F1CB000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral2/memory/1524-0-0x000000000F1B0000-0x000000000F1CB000-memory.dmp upx
behavioral2/memory/1524-4-0x000000000F1B0000-0x000000000F1CB000-memory.dmp upx

resource	yara_rule
behavioral2/memory/1524-0-0x000000000F1B0000-0x000000000F1CB000-memory.dmp	upx
behavioral2/memory/1524-4-0x000000000F1B0000-0x000000000F1CB000-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:

b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\xhrxxvipfpt = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8734883befc14f669b6e8900548562e_JaffaCakes118.exe"	b8734883befc14f669b6e8900548562e_JaffaCakes118.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:

b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\E:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\K:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\L:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\N:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\O:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\Q:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\S:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\H:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\M:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\R:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\T:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\W:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\Z:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\A:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\I:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\V:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\X:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\Y:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\B:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\G:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\J:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\P:	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
File opened (read-only)	\??\U:	b8734883befc14f669b6e8900548562e_JaffaCakes118.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:

b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

pid	process
1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b8734883befc14f669b6e8900548562e_JaffaCakes118.exe

description	pid	process	target process
PID 1524 wrote to memory of 1672	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1672	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1672	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1892	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1892	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1892	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4448	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4448	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4448	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1200	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1200	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 1200	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 3572	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 3572	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 3572	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4244	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4244	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4244	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 2156	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 2156	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 2156	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4044	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4044	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe
PID 1524 wrote to memory of 4044	1524	b8734883befc14f669b6e8900548562e_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\b8734883befc14f669b6e8900548562e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8734883befc14f669b6e8900548562e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.coin dns1.soprodns.ru
2⤵
PID:1672

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1892

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns2.soprodns.ru
2⤵
PID:4448

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.coin dns2.soprodns.ru
2⤵
PID:1200

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns2.soprodns.ru
2⤵
PID:3572

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4244

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.coin dns1.soprodns.ru
2⤵
PID:2156

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4044

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/1524-0-0x000000000F1B0000-0x000000000F1CB000-memory.dmp

Filesize
108KB

Download
memory/1524-4-0x000000000F1B0000-0x000000000F1CB000-memory.dmp

Filesize
108KB

Download