stealc | 0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/04/2024, 18:16

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General

Target

0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe
Size

312KB
MD5

afaa459466d793e35de7cda402ddc8c7
SHA1

5d949a34f1d946ad556fa50ab93f36a817f5a867
SHA256

0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1
SHA512

7ed39c4a099f6110a9aa6433e83bf3b1c053a5ea16c66cc84e7b993730be6f57fe4a8730348a4e45cf3bd390d48e92416d77054db82cca607b5742c4f7bb757a
SSDEEP

6144:OOUPx7YkrkRNaq7uae2X3bvmpGEWFE+ZBd:OJPJYEkRhRrRd

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

pid	pid_target	Process	procid_target
2288	4484	WerFault.exe	93

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4484	0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe
4484	0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe

C:\Users\Admin\AppData\Local\Temp\0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe
"C:\Users\Admin\AppData\Local\Temp\0404556be24578fac28128825388236d6bf93bfe58c21aabaf7f5a8c92a66aa1.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 1092
  2⤵
  - Program crash
  PID:2288

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3592 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4484 -ip 4484
1⤵
PID:5044

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/4484-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp

Filesize
1024KB

Download
memory/4484-2-0x0000000001B30000-0x0000000001B57000-memory.dmp

Filesize
156KB

Download
memory/4484-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4484-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4484-6-0x0000000001CD0000-0x0000000001DD0000-memory.dmp

Filesize
1024KB

Download
memory/4484-7-0x0000000001B30000-0x0000000001B57000-memory.dmp

Filesize
156KB

Download
memory/4484-8-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4484-10-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4484-13-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4484-15-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download