stealc | fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc

Analysis

max time kernel
111s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 21:59

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General

Target

fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe
Size

306KB
MD5

80b6ab6a94be9f1cc5326fb7eafe8bc1
SHA1

177176a6d021829b3c9c5f4c56bd1818e49c7843
SHA256

fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc
SHA512

4838e8a2288dd343a6c4594096a0241ba843f0960f5e3c223bb14c3767672131a2326f2f60cbb0d6e1100ae8c7dfe2b9e26bd2eea2e7cfcab3707686d88a58d7
SSDEEP

3072:S5OGVnqRp2PCl0kRv+nbLkOvqDbDEKEJTsTc+ZlRVpRmHEzGI7IMNU:OmIPCLwHSvQJmhpRyEy8NU

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.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

756 4528 WerFault.exe fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe

pid	pid_target	process	target process
756	4528	WerFault.exe	fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.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:

fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe

pid	process
4528	fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe
4528	fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe

C:\Users\Admin\AppData\Local\Temp\fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe
"C:\Users\Admin\AppData\Local\Temp\fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 1196
2⤵
- Program crash
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4528 -ip 4528
1⤵
PID:4608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4528-2-0x0000000001B30000-0x0000000001B57000-memory.dmp

Filesize
156KB

Download
memory/4528-1-0x0000000001BD0000-0x0000000001CD0000-memory.dmp

Filesize
1024KB

Download
memory/4528-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4528-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4528-5-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4528-6-0x0000000001BD0000-0x0000000001CD0000-memory.dmp

Filesize
1024KB

Download
memory/4528-9-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4528-11-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4528-13-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download