MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042
SHA3-384 hash: 3bd3fe53080530706e36cbd90ed7d6568c9ed266dcb3bda4d4f27848bb7219476bf4583be540c2a9260e18cf04836e65
SHA1 hash: d606c6240afcf6a8ed74df4406b51987c310559c
MD5 hash: defdf92be6053f805b80ffcf7850f3e3
humanhash: kansas-network-arizona-mirror
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'786'880 bytes
First seen:2024-12-07 17:24:08 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 49152:2ws6ayMsc8xJW79bKk8AN3K98PUxzP8+rGP:2ws6ayMmTymLs2xb82
TLSH T13885338B0C751E52C3CB9F769097234394EFB88A47DE212FEC3205B1311965E6D22BDA
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


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
423
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-07 17:26:02 UTC
Tags:
lumma stealer themida loader stealc
Link:
https://app.any.run/tasks/f6ec446b-d594-4f14-893b-fd57c6166562

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.4943.7860.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675484f068b6ff1217088973
Tags:
vmdetect autoit gumen 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:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/675484ef8f548406d2d3e2cd/reports/4a4d6e0b-6428-4c77-8a9e-b99d51f94ceb/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042
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:
Malicious
Link:
https://analyze.intezer.com/analyses/eb784a6e-1030-48d4-ac16-bc2244af924c
Result
Threat name:
Amadey, CredGrabber, LummaC Stealer, Med
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1570689
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious Ping/Del Command Combination
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)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Amadeys stealer DLL
Yara detected CredGrabber
Yara detected LummaC Stealer
Yara detected Meduza Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1570689 Sample: file.exe Startdate: 07/12/2024 Architecture: WINDOWS Score: 100 83 atten-supporse.biz 2->83 85 api.ipify.org 2->85 113 Suricata IDS alerts for network traffic 2->113 115 Found malware configuration 2->115 117 Antivirus detection for URL or domain 2->117 119 19 other signatures 2->119 10 skotes.exe 2 25 2->10         started        15 file.exe 36 2->15         started        17 bbbef9e2c3.exe 2->17         started        19 msedge.exe 9 2->19         started        signatures3 process4 dnsIp5 103 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 10->103 105 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 10->105 65 C:\Users\user\AppData\...\c679ee9018.exe, PE32 10->65 dropped 67 C:\Users\user\AppData\...\2a79a10743.exe, PE32 10->67 dropped 69 C:\Users\user\AppData\...\bbbef9e2c3.exe, PE32 10->69 dropped 77 5 other malicious files 10->77 dropped 171 Creates multiple autostart registry keys 10->171 173 Hides threads from debuggers 10->173 175 Tries to detect sandboxes / dynamic malware analysis system (registry check) 10->175 21 bbbef9e2c3.exe 10->21         started        25 Ed7zZr4.exe 10->25         started        27 2a79a10743.exe 10->27         started        29 c679ee9018.exe 10->29         started        107 185.215.113.206, 49699, 49740, 49786 WHOLESALECONNECTIONSNL Portugal 15->107 109 185.215.113.16, 49831, 80 WHOLESALECONNECTIONSNL Portugal 15->109 111 127.0.0.1 unknown unknown 15->111 71 C:\Users\user\DocumentsBFBKFBGII.exe, PE32 15->71 dropped 73 C:\Users\user\AppData\...\softokn3[1].dll, PE32 15->73 dropped 75 C:\Users\user\AppData\Local\...\random[1].exe, PE32 15->75 dropped 79 11 other files (7 malicious) 15->79 dropped 177 Detected unpacking (changes PE section rights) 15->177 179 Attempt to bypass Chrome Application-Bound Encryption 15->179 181 Drops PE files to the document folder of the user 15->181 185 8 other signatures 15->185 31 cmd.exe 1 15->31         started        33 msedge.exe 2 11 15->33         started        35 chrome.exe 15->35         started        183 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 17->183 37 msedge.exe 19->37         started        file6 signatures7 process8 dnsIp9 87 atten-supporse.biz 104.21.16.9 CLOUDFLARENETUS United States 21->87 121 Antivirus detection for dropped file 21->121 123 Multi AV Scanner detection for dropped file 21->123 125 Detected unpacking (changes PE section rights) 21->125 143 4 other signatures 21->143 127 Machine Learning detection for dropped file 25->127 129 Modifies the context of a thread in another process (thread injection) 25->129 131 Injects a PE file into a foreign processes 25->131 39 Ed7zZr4.exe 25->39         started        133 Tries to evade debugger and weak emulator (self modifying code) 27->133 135 Hides threads from debuggers 27->135 137 Tries to detect sandboxes / dynamic malware analysis system (registry check) 27->137 139 Binary is likely a compiled AutoIt script file 29->139 43 taskkill.exe 29->43         started        45 EBFBKFBGII.exe 4 31->45         started        48 conhost.exe 31->48         started        141 Monitors registry run keys for changes 33->141 50 msedge.exe 33->50         started        89 192.168.2.7, 443, 49698, 49699 unknown unknown 35->89 91 239.255.255.250 unknown Reserved 35->91 52 chrome.exe 35->52         started        signatures10 process11 dnsIp12 93 5.252.155.28 WORLDSTREAMNL Russian Federation 39->93 95 api.ipify.org 172.67.74.152 CLOUDFLARENETUS United States 39->95 157 Tries to steal Mail credentials (via file / registry access) 39->157 159 Tries to harvest and steal browser information (history, passwords, etc) 39->159 161 Tries to harvest and steal Bitcoin Wallet information 39->161 54 cmd.exe 39->54         started        57 conhost.exe 43->57         started        81 C:\Users\user\AppData\Local\...\skotes.exe, PE32 45->81 dropped 163 Detected unpacking (changes PE section rights) 45->163 165 Tries to evade debugger and weak emulator (self modifying code) 45->165 167 Tries to detect virtualization through RDTSC time measurements 45->167 169 3 other signatures 45->169 59 skotes.exe 45->59         started        97 www.google.com 142.250.181.68, 443, 49708, 49709 GOOGLEUS United States 52->97 99 plus.l.google.com 142.250.201.14, 443, 49745 GOOGLEUS United States 52->99 101 4 other IPs or domains 52->101 file13 signatures14 process15 signatures16 145 Uses ping.exe to sleep 54->145 147 Uses ping.exe to check the status of other devices and networks 54->147 61 conhost.exe 54->61         started        63 PING.EXE 54->63         started        149 Detected unpacking (changes PE section rights) 59->149 151 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 59->151 153 Tries to evade debugger and weak emulator (self modifying code) 59->153 155 4 other signatures 59->155 process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042/
Threat name:
Win32.Ransomware.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-12-07 17:25:25 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vip2ajrold5nbib6t3rn2rdaqlrxpmpe6myx65fhb6a7qtrbobba._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:stok credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/241207-vy912asmcl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api
Verdict:
Suspicious
Tags:
Stealc Stealer
YARA:
n/a
Link:
https://app.threat.zone/submission/880d521f-04a2-4438-a884-b6f1bc04d75f
Unpacked files
SH256 hash:
a597598da4be5ed9f222cbb178b5206be287c9be4cd27be7e3e00cb9c9c6c707
MD5 hash:
5b6a632b97ef269b5beaa23ec411f8e6
SHA1 hash:
744648f3a51814563e053b4d1e54c90760899782
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/5a833585-a2c3-443d-872c-6bfddacbcee2/
SH256 hash:
aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042
MD5 hash:
defdf92be6053f805b80ffcf7850f3e3
SHA1 hash:
d606c6240afcf6a8ed74df4406b51987c310559c
Link:
https://www.unpac.me/results/5a833585-a2c3-443d-872c-6bfddacbcee2/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa1fa0262e58/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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)

File information

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

Web download

Stealc

Executable exe aa1fa0262e58fad0a03e9ee2dd446082e377b1e4f3317f74a70f81f84e217042

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

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