MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974
SHA3-384 hash: e52e1823cab1ff739c442d3ca519b55f2a7d914421eecac1daeacdb65449fd90ad2c42c510bbbcb987c6ef068160dc11
SHA1 hash: da47f06653a3bc1ac6a87b321bfec96ea0046c99
MD5 hash: 12a126af335a3bc2453be8a0849728a9
humanhash: jersey-oven-cardinal-enemy
File name:random.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:1'864'192 bytes
First seen:2025-01-29 14:44:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:UT/E1oUINCxvAuIeUQVxB0jZZZHVpOgdF8/vw:uc1dINCwejJ0jZZtVJdy
Threatray 1 similar samples on MalwareBazaar
TLSH T1C085338A4D80D0BCE097E7F06EB786DA2B9C2B188D5F01799371E4B4C275EE3539D990
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 aachum
Tags:exe Stealc


Avatar
iamaachum
185.215.113.16/steam/random.exe

Stealc Botnet: KIRA
Stealc C2: http://185.215.113.115/c4becf79229cb002.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
402
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
http://185.215.113.16/soka/random.exe
Verdict:
Malicious activity
Analysis date:
2025-01-29 13:50:33 UTC
Tags:
amadey botnet stealer loader stealc cryptbot themida lumma gcleaner evasion github purecrypter credentialflusher auto generic rat quasar remote antivm xworm autoit telegram asyncrat
Link:
https://app.any.run/tasks/ee5ab28a-0424-4631-bf8e-80836003ce04

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.28706.30837.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679a415429ae628cf42af42b
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/679a3fd91192e517bab8d6ee/reports/3f73e600-e451-4aee-8cb8-a88616cbc088/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1621113c-0213-43ea-83f0-e205f8647342
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1602225
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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:
PE
Link:
https://malprob.io/report/5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2025-01-29 14:42:36 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkuzigfvs73me7buh2addys324yrnoz4zcemydgslvrmrajgzf2a._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974
Stealc
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:kira defense_evasion discovery stealer
Link:
https://tria.ge/reports/250129-r4qb2a1mgv/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
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://185.215.113.115
Verdict:
Malicious
Tags:
stealc stealer
YARA:
n/a
Link:
https://app.threat.zone/submission/9d846f38-2902-48fe-8aeb-62902da5365f
Unpacked files
SH256 hash:
25c665b17afdb39175060b07ee5aada671dd2e97ed48313a2a3173aeef8a337c
MD5 hash:
175f02a653a3ca21bd428eafa2c20420
SHA1 hash:
3313ec1a2763c13f7f7b90b7bf7e14325f817d18
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/1faee650-8504-4ca0-8af9-73c34e1ca0d2/
SH256 hash:
5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974
MD5 hash:
12a126af335a3bc2453be8a0849728a9
SHA1 hash:
da47f06653a3bc1ac6a87b321bfec96ea0046c99
Link:
https://www.unpac.me/results/1faee650-8504-4ca0-8af9-73c34e1ca0d2/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5aa99418b597/report/overview.html
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/5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Stealc
Create hunting rule
Author:kevoreilly
Description:Stealc Payload
Rule name:Stealer_Stealc
Create hunting rule
Author:Still
Description:attempts to match instructions/strings found in Stealc
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
Rule name:Windows_Generic_Threat_2bba6bae
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe 5aa99418b597f6c27c343e8031e25bd73116bb3cc888cc0cd25d62c88126c974

(this sample)

  
Link
https://tria.ge/250129-rg47nszqdy
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3337922/
  
URLhaus
https://urlhaus.abuse.ch/url/3338053/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments