gandcrab | 21ece2e53ae3d0875683f0bd8b5a37c3a0be38f1128350db6d2882da2a342c34

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 23:13

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General

Target

b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
Size

97KB
MD5

b09c214f750a60185a8c2b6560cdfcbe
SHA1

8d84e553b2313ec9ff61238538aa3f1dad9d7e7f
SHA256

21ece2e53ae3d0875683f0bd8b5a37c3a0be38f1128350db6d2882da2a342c34
SHA512

7efb35928567ee30300f9a778a859181d042c03f40d3c8c5bc28dfeb5cc9aac1603b9857673424f74f27a72f351f8497593b433cd7dc23fd20334659b38a6276
SSDEEP

1536:5ZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAEMqqU+2bbbAV2/S2LNmHkD:lBounVyFHFMqqDL2/LgHkc2

Score

10^/10

gandcrab backdoor persistence ransomware upx

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4352-0-0x000000000F200000-0x000000000F21B000-memory.dmp	family_gandcrab
behavioral2/memory/4352-4-0x000000000F200000-0x000000000F21B000-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/4352-0-0x000000000F200000-0x000000000F21B000-memory.dmp upx
behavioral2/memory/4352-4-0x000000000F200000-0x000000000F21B000-memory.dmp upx

resource	yara_rule
behavioral2/memory/4352-0-0x000000000F200000-0x000000000F21B000-memory.dmp	upx
behavioral2/memory/4352-4-0x000000000F200000-0x000000000F21B000-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:

b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\gitabrlrhmp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe"	b09c214f750a60185a8c2b6560cdfcbe_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:

b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\B:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\E:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\W:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\Z:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\P:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\Q:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\R:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\A:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\H:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\I:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\N:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\O:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\S:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\T:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\V:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\U:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\X:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\G:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\J:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\K:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\L:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\M:	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
File opened (read-only)	\??\Y:	b09c214f750a60185a8c2b6560cdfcbe_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:

b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

pid	process
4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe

description	pid	process	target process
PID 4352 wrote to memory of 2328	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 2328	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 2328	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 3504	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 3504	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 3504	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 1192	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 1192	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 1192	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 756	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 756	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 756	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4020	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4020	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4020	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4308	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4308	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4308	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 2024	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 2024	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 2024	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4812	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4812	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe
PID 4352 wrote to memory of 4812	4352	b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\b09c214f750a60185a8c2b6560cdfcbe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b09c214f750a60185a8c2b6560cdfcbe_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:4352

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.coin dns1.soprodns.ru
2⤵
PID:2328

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3504

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns2.soprodns.ru
2⤵
PID:1192

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.coin dns2.soprodns.ru
2⤵
PID:756

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns2.soprodns.ru
2⤵
PID:4020

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4308

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.coin dns1.soprodns.ru
2⤵
PID:2024

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4812

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/4352-0-0x000000000F200000-0x000000000F21B000-memory.dmp

Filesize
108KB

Download
memory/4352-4-0x000000000F200000-0x000000000F21B000-memory.dmp

Filesize
108KB

Download