0a750955d0aa7b444066a2e1ae290e688d4dd534b91a7c092d67c3940e80acfd

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
02-07-2024 05:22

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General

Target

2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
Size

76KB
MD5

6a4b5ec4af2651bdf359c1fd03efb34c
SHA1

939bc458c7fd0fd7218194efab7883f13f573ef5
SHA256

0a750955d0aa7b444066a2e1ae290e688d4dd534b91a7c092d67c3940e80acfd
SHA512

ba3acd730c049b309726b63b9c87536a57d33cf35ae35648cc60b80463be0b7eba7c3771ec01ed2ba180a5b3493190f1c691200b5b18b4c1d1e9e0762ea9cdb6
SSDEEP

1536:j55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5r5:/MSjOnrmBTMqqDL2/mr3IdE8we0Avu5V

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\pkzfrvjvlay = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe"	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_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:

2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\G:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\H:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\I:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\O:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\Q:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\S:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\W:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\B:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\J:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\K:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\M:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\N:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\P:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\U:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\V:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\A:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\L:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\R:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\Y:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\E:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\X:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\Z:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
File opened (read-only)	\??\T:	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_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:

2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

pid	process
1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe

description	pid	process	target process
PID 1100 wrote to memory of 4400	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4400	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4400	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4932	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4932	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4932	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4536	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4536	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 4536	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 400	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 400	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 400	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 756	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 756	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe
PID 1100 wrote to memory of 756	1100	2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-02_6a4b5ec4af2651bdf359c1fd03efb34c_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:1100

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4400

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4932

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4536

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:400

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:756

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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