stealc | 76b73bd1533ce48cd2cf55316e62b3869e920992c4d7673339f9c5eefa7d922a

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 06:26

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General

Target

76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe
Size

311KB
MD5

d8f0480ffd9a82c2532b6be3fbee1a76
SHA1

c72dc3cab1dc67c8039e7acabef9776fb244d74a
SHA256

76b73bd1533ce48cd2cf55316e62b3869e920992c4d7673339f9c5eefa7d922a
SHA512

13daf8bf9853043ad1913f45b634ac4d7b59d9320101e5b30ce9407ec1ca15fa1a990e67409cf9d3aeab10107a6e8ead6e79f55fee718a844a38556817c92116
SSDEEP

3072:iFqVGEq2prYKers2Hnq+nzwwgcw6KSLv3yR9uZZjCAi619HE/0JI7JZjODE:9RbtDt61byzuXjJ1xEYOODE

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.62

Attributes

url_path
/902e53a07830e030.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

2928 1320 WerFault.exe 76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe

pid	pid_target	process	target process
2928	1320	WerFault.exe	76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.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:

76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe

pid process

1320 76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe
1320 76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe

pid	process
1320	76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe
1320	76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe

C:\Users\Admin\AppData\Local\Temp\76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe
"C:\Users\Admin\AppData\Local\Temp\76b73bd1533ce48cd2cf55316e62b3869e920992c4d76.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1328
2⤵
- Program crash
PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1320 -ip 1320
1⤵
PID:1640

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/1320-2-0x0000000003640000-0x0000000003667000-memory.dmp

Filesize
156KB

Download
memory/1320-1-0x0000000001A40000-0x0000000001B40000-memory.dmp

Filesize
1024KB

Download
memory/1320-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1320-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1320-5-0x0000000001A40000-0x0000000001B40000-memory.dmp

Filesize
1024KB

Download
memory/1320-7-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1320-9-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1320-11-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1320-13-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download