3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c

General

Target

3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
Size

97KB
MD5

c8ac54af2d63524a527838ef2685b2e2
SHA1

391ea69e8377bdc364c5564cb2918a4f0e6abe51
SHA256

3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c
SHA512

1800f16572601722f998312b3b3eda443caf6e10e7de1cd8f0e9a6b03f0197932348217110b8cfb79e244ca0a5296b84566beccd883b638e083dc09c29ff42ad

Score

10^/10

persistence suricata upx

Malware Config

Signatures

suricata: ET MALWARE Observed GandCrab Domain (gandcrab .bit)
suricata: ET MALWARE Observed GandCrab Domain (gandcrab .bit)
suricata

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/384-55-0x000000000F3C0000-0x000000000F3DB000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\nmtusrfwgjb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe"	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

Enumerates connected drives 3 TTPs 22 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:

3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

description	ioc	process
File opened (read-only)	\??\S:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\T:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\X:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\A:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\H:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\I:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\L:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\O:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\Q:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\V:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\W:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\B:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\F:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\G:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\K:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\N:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\P:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\R:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\U:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\E:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\M:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
File opened (read-only)	\??\J:	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.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:

3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

pid	process
384	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
384	3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe

C:\Users\Admin\AppData\Local\Temp\3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe
"C:\Users\Admin\AppData\Local\Temp\3fb9f8f49e9baa63e0a4e089e81ff7a0248b36242127b404b3350def3379d69c.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/384-54-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/384-55-0x000000000F3C0000-0x000000000F3DB000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads