MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710
SHA3-384 hash: ae237a020a01af9aaaa6a1d021d22a849e6241bddf8444a7c88fcf221b6e43d74d61ed475dda0511b2179b150f859239
SHA1 hash: 816bf9e8be28c18f5659916490b7b1353e664d57
MD5 hash: dab2049284beb271b35b386b6bcfd61b
humanhash: stairway-table-neptune-bacon
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'817'088 bytes
First seen:2024-12-02 10:46:22 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 49152:2/w+fbDF+9ozzNd9H5wM9CDi5oYvyQrFKQf:H+fbp+Ozx/mQrH
TLSH T1108533540D056CB4FDCA02F1A7F7C60BBC971A01A8CAE6B637486D25E9333C530669BB
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 :
412
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-02 10:48:28 UTC
Tags:
lumma themida loader stealer stealc amadey botnet gcleaner
Link:
https://app.any.run/tasks/a0528c19-3955-4bbf-82f1-f1ca7423b817

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed.198.3627.14754.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674d91abe64d1c722d7b4c65
Tags:
autorun autoit spam lien
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/674d9028ae6f4170773f44d3/reports/42f6035f-ddbd-46e4-a4e1-2155a3f75bbc/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/be8ff7f5-e1ee-4b3a-a001-d3a0916947f1
Result
Threat name:
Amadey, Nymaim, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566534
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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 (process name or module or function)
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)
Yara detected Amadeys stealer DLL
Yara detected Nymaim
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: 1566534 Sample: file.exe Startdate: 02/12/2024 Architecture: WINDOWS Score: 100 64 92.63.197.221 NOVOGARA-ASNL Russian Federation 2->64 66 time.windows.com 2->66 68 httpbin.org 2->68 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 Malicious sample detected (through community Yara rule) 2->98 100 15 other signatures 2->100 9 file.exe 36 2->9         started        14 skotes.exe 19 2->14         started        16 msedge.exe 9 2->16         started        signatures3 process4 dnsIp5 76 185.215.113.206, 49712, 49761, 49783 WHOLESALECONNECTIONSNL Portugal 9->76 78 185.215.113.16, 49784, 80 WHOLESALECONNECTIONSNL Portugal 9->78 80 127.0.0.1 unknown unknown 9->80 48 C:\Users\user\Documents\DBKFHJEBAA.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->50 dropped 52 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->52 dropped 62 11 other files (7 malicious) 9->62 dropped 118 Detected unpacking (changes PE section rights) 9->118 120 Attempt to bypass Chrome Application-Bound Encryption 9->120 122 Drops PE files to the document folder of the user 9->122 130 8 other signatures 9->130 18 cmd.exe 1 9->18         started        20 msedge.exe 2 11 9->20         started        23 chrome.exe 9->23         started        82 185.215.113.43, 49787, 49788, 49790 WHOLESALECONNECTIONSNL Portugal 14->82 84 31.41.244.11, 49789, 49791, 80 AEROEXPRESS-ASRU Russian Federation 14->84 54 C:\Users\user\AppData\...\0f17b63fc5.exe, PE32 14->54 dropped 56 C:\Users\user\AppData\...\37981fc6b3.exe, PE32 14->56 dropped 58 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->58 dropped 60 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->60 dropped 124 Hides threads from debuggers 14->124 126 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->126 128 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->128 26 0f17b63fc5.exe 14->26         started        28 37981fc6b3.exe 14->28         started        30 msedge.exe 16->30         started        file6 signatures7 process8 dnsIp9 32 DBKFHJEBAA.exe 4 18->32         started        36 conhost.exe 18->36         started        102 Monitors registry run keys for changes 20->102 38 msedge.exe 20->38         started        70 192.168.2.7, 443, 49705, 49706 unknown unknown 23->70 72 239.255.255.250 unknown Reserved 23->72 40 chrome.exe 23->40         started        104 Antivirus detection for dropped file 26->104 106 Multi AV Scanner detection for dropped file 26->106 108 Detected unpacking (changes PE section rights) 26->108 116 4 other signatures 26->116 110 Machine Learning detection for dropped file 28->110 112 Tries to evade debugger and weak emulator (self modifying code) 28->112 114 Hides threads from debuggers 28->114 signatures10 process11 dnsIp12 46 C:\Users\user\AppData\Local\...\skotes.exe, PE32 32->46 dropped 86 Antivirus detection for dropped file 32->86 88 Detected unpacking (changes PE section rights) 32->88 90 Machine Learning detection for dropped file 32->90 92 5 other signatures 32->92 43 skotes.exe 32->43         started        74 www.google.com 142.250.181.68, 443, 49734, 49735 GOOGLEUS United States 40->74 file13 signatures14 process15 signatures16 132 Antivirus detection for dropped file 43->132 134 Detected unpacking (changes PE section rights) 43->134 136 Machine Learning detection for dropped file 43->136 138 4 other signatures 43->138
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710/
Threat name:
Win32.Infostealer.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 10:47:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4r6s77rit5j5z52jlsup46flnj6cu7llyrwrb4d57pxe6u4e4ia._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:drum credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/241202-mvh45s1maz/
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
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
Enumerates VirtualBox registry keys
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/24309331-cdd7-496d-8f25-0e2ee9375705
Unpacked files
SH256 hash:
c4e8ca89e7058dcfd012f814b27b18190cc1ba5cfff82be6ff9ef4dc60c1f14a
MD5 hash:
c9985de8e10239149a5a620a4ca3d46b
SHA1 hash:
217c70eca4014be92c406acbaa0235bc2d51bb49
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/61f847d0-78f6-41f3-a95d-7acf7e3216cd/
SH256 hash:
b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710
MD5 hash:
dab2049284beb271b35b386b6bcfd61b
SHA1 hash:
816bf9e8be28c18f5659916490b7b1353e664d57
Link:
https://www.unpac.me/results/61f847d0-78f6-41f3-a95d-7acf7e3216cd/
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/b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710

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 b723e97ff144fa9ee7ba4ae547f3c55b53e153eb5e23688783efdf727a9c2710

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/

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