1f0daca3fc222298b58d0a81333fb6875fbe1b7ab77c98d2c37c3e026a27b7d9

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2023, 13:46

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General

Target

202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
Size

70KB
MD5

4b1923e619b4a9e1f7a64358a1ac2de3
SHA1

fa50e0e19dd1dfedcf5fb23c709c60cb8f78accc
SHA256

1f0daca3fc222298b58d0a81333fb6875fbe1b7ab77c98d2c37c3e026a27b7d9
SHA512

c5b96fbfc6a4f0cf29b200a2d9682f51251ecfcc6ebfe12e04393473c57c82b1d08e474db5322d20069f6aef6223db379d114f92e39e403762ab302313c2a6de
SSDEEP

1536:GZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:1d5BJHMqqDL2/OvvdrH

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\brfewcosawc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe"	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe

Enumerates connected drives 3 TTPs 24 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

description	ioc	Process
File opened (read-only)	\??\P:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\E:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\M:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\N:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\T:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\W:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\Z:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\A:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\H:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\L:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\O:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\R:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\S:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\V:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\B:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\G:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\I:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\J:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\K:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\Q:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\U:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\X:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\F:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
File opened (read-only)	\??\Y:	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1200	2604	WerFault.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2604	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
2604	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
2604	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
2604	202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe

C:\Users\Admin\AppData\Local\Temp\202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\202305164b1923e619b4a9e1f7a64358a1ac2de3gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1288
  2⤵
  - Program crash
  PID:1200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2604 -ip 2604
1⤵
PID:2436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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