MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

Stealc

Vendor detections: 14

Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash:	ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f
SHA3-384 hash:	16519818c3c9351dce8b12378c3c78d65b301805f564bd6f2d2d62665824d2c95effca4591ac83c6a324f026c04f8826
SHA1 hash:	3cb2b00ebebed6ec0ecf689d70c08ae1ed62281d
MD5 hash:	3f3b901bc31f94a738385aadaf39a81a
humanhash:	colorado-friend-batman-five
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	1'747'456 bytes
First seen:	2024-12-02 12:02:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:H6kfVWq01nVXB455j9FvrjuzIWahthoeG:HrfkqWnVXuHj9FvezFahthoN
TLSH	T15185332791754209E0D92CBE5628DF012B5D1BD4D9D6AB6F00F232C8EDC4BE2BF6C196
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	Bitsight
Tags:	exe Stealc

Bitsight

url: http://185.215.113.16/steam/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

405

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-12-02 12:07:31 UTC

Tags:

loader themida lumma stealer stealc

Link:

https://app.any.run/tasks/6d191203-2ccf-43f1-8757-73c3b9b3e3bf

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.15419.23818.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=674da379e64d1c722d7b5272

Tags:

vmdetect spam

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

Running batch commands

Creating a process with a hidden window

Launching a process

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/674da1fab5c446ebe9af02f5/reports/10764821-e0ff-4716-8d6a-33a84fa8eb3f/overview

Verdict:

Malicious

Labled as:

Symmi.Generic

Link:

https://www.hybrid-analysis.com/sample/ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/93e9e410-62ec-48c3-b0ca-9b2c8b9e8d4e

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1566561

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contain functionality to detect virtual machines

Detected unpacking (changes PE section rights)

Found evasive API chain (may stop execution after checking locale)

Found malware configuration

Hides threads from debuggers

Machine Learning detection for sample

PE file contains section with special chars

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f/

Threat name:

Win32.Trojan.LummaStealer

Status:

Malicious

First seen:

2024-12-02 12:03:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vvpsnwt2vb4y7ukbkfrfifmve4pnl2izh2plkpgaskfhztdpz6hq._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:drum discovery evasion stealer

Link:

https://tria.ge/reports/241202-n7116asqbt/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Identifies Wine through registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Stealc

Stealc family

Malware Config

C2 Extraction:

http://185.215.113.206

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/19c7c651-83a2-4543-8c26-28ec187472e7

Unpacked files

SH256 hash:

e4df8528806a0633c5bf7e687932f751e859d084549a57d51ac447bfba82bb8b

MD5 hash:

2a2598601babe0cf9bee4969772af983

SHA1 hash:

bc5d849f50aff808a00c95568ba8415c4cffa2df

Detections:

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/ec32ba69-cb92-4101-bfd7-64592e645c3f/

SH256 hash:

ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f

MD5 hash:

3f3b901bc31f94a738385aadaf39a81a

SHA1 hash:

3cb2b00ebebed6ec0ecf689d70c08ae1ed62281d

Link:

https://www.unpac.me/results/ec32ba69-cb92-4101-bfd7-64592e645c3f/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

exe ad5f26da7aa8798fd1415162541595271ed5e9193e9eb53cc0928a7ccc6fcf8f

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3284801/

URLhaus

https://urlhaus.abuse.ch/url/3079150/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

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