stealc | 856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363

Analysis

max time kernel
112s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2024 22:16

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General

Target

856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe
Size

308KB
MD5

66bbed42cae06235280770421730efe0
SHA1

61e90fe2ae74fd18fb27c9c9859ca7e05d0efb42
SHA256

856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363
SHA512

6fd7fbfa9f2cb1a2af053bcdc1f9f16e1e853a1c04014955540b4d0dabbb0d313d0dd23c74df1fd89f1c09554dda4153eb5850b9c541fb4f0cb2914171280508
SSDEEP

3072:6DeGTEjXp+rn2eC+Z8GXW0b8jO88jgc7qc6150say5gfsq4uFEt/wWF9ffPkkZcl:7grctQbsO88y50st5OD7EZ1Zyl

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.76

Attributes

url_path
/8681490a59ad0e34.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4172 4028 WerFault.exe 856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe

pid	pid_target	process	target process
4172	4028	WerFault.exe	856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe

pid	process
4028	856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe
4028	856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe

C:\Users\Admin\AppData\Local\Temp\856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe
"C:\Users\Admin\AppData\Local\Temp\856bde816457bf38e182e2846df7c76e472e415c064f2698f4407733418e0363.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 1316
2⤵
- Program crash
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4028 -ip 4028
1⤵
PID:2956

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4028-1-0x0000000001CC0000-0x0000000001DC0000-memory.dmp

Filesize
1024KB

Download
memory/4028-2-0x0000000001B30000-0x0000000001B57000-memory.dmp

Filesize
156KB

Download
memory/4028-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4028-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4028-5-0x0000000001CC0000-0x0000000001DC0000-memory.dmp

Filesize
1024KB

Download
memory/4028-6-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4028-9-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4028-11-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4028-13-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download