MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164
SHA3-384 hash: 55f8fb765fdffe6b45a28315d927d54a76f432876fffd0ab7c257de7d999aa82a12e36915dab3e5a9c3aabcd7ee99fe9
SHA1 hash: 2e554e23ec9ae2bb023b1e78a9d0b426480e58eb
MD5 hash: 93cc0dff629b545186fc85eefc26bed7
humanhash: foxtrot-spring-equal-cold
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'826'304 bytes
First seen:2024-12-04 05:08:57 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 24576:/MhOf+dQb5PaCB1EfwWoEG2mxr9OSHdkoFD8lQAb/x4xDZIkLef46cI8prIQVxVy:kSse/Bmf7oEsqynAbp4TI7OI8prIcVB
TLSH T1688533916F62BD34E52DCA7B5DB2E19853F4A20A8031BF36BD06C2D00B2BC8F6D75546
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 :
426
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-04 05:09:28 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/3aff4420-9513-43e0-846d-48998a21ba5d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21734.10628.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674fe546bc8c6beb30758777
Tags:
vmdetect autorun autoit 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/674fe3f1af970b1e4182615e/reports/50f9ef0b-6596-4a05-b7ed-ebba22dbb8a1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ae6a55ab-bfb0-4af0-add4-3a7b53f5e7c4
Result
Threat name:
Amadey, Credential Flusher, Cryptbot, Lu
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1568011
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
Leaks process information
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 Credential Flusher
Yara detected Cryptbot
Yara detected LummaC Stealer
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: 1568011 Sample: file.exe Startdate: 04/12/2024 Architecture: WINDOWS Score: 100 96 youtube.com 2->96 98 youtube-ui.l.google.com 2->98 100 31 other IPs or domains 2->100 134 Suricata IDS alerts for network traffic 2->134 136 Found malware configuration 2->136 138 Malicious sample detected (through community Yara rule) 2->138 140 21 other signatures 2->140 9 skotes.exe 3 37 2->9         started        14 file.exe 36 2->14         started        16 113eccfa62.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 116 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->116 118 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 9->118 76 C:\Users\user\AppData\...\af85556c81.exe, PE32 9->76 dropped 78 C:\Users\user\AppData\...\6d8414da14.exe, PE32 9->78 dropped 80 C:\Users\user\AppData\...\2a2623051a.exe, PE32 9->80 dropped 88 11 other malicious files 9->88 dropped 176 Creates multiple autostart registry keys 9->176 178 Hides threads from debuggers 9->178 180 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->180 20 113eccfa62.exe 9->20         started        24 9a42c2d36a.exe 5 2 9->24         started        26 57656e96af.exe 9->26         started        35 4 other processes 9->35 120 185.215.113.206, 49730, 49749, 80 WHOLESALECONNECTIONSNL Portugal 14->120 122 185.215.113.16, 49761, 80 WHOLESALECONNECTIONSNL Portugal 14->122 124 127.0.0.1 unknown unknown 14->124 82 C:\Users\user\Documents\DAFCAAEGDB.exe, PE32 14->82 dropped 84 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->84 dropped 86 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->86 dropped 90 12 other files (8 malicious) 14->90 dropped 182 Detected unpacking (changes PE section rights) 14->182 184 Attempt to bypass Chrome Application-Bound Encryption 14->184 186 Drops PE files to the document folder of the user 14->186 194 6 other signatures 14->194 29 cmd.exe 1 14->29         started        31 chrome.exe 14->31         started        188 Tries to harvest and steal browser information (history, passwords, etc) 16->188 190 Tries to steal Crypto Currency Wallets 16->190 192 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->192 33 firefox.exe 18->33         started        file6 signatures7 process8 dnsIp9 102 atten-supporse.biz 172.67.165.166 CLOUDFLARENETUS United States 20->102 142 Multi AV Scanner detection for dropped file 20->142 144 Detected unpacking (changes PE section rights) 20->144 146 Tries to harvest and steal ftp login credentials 20->146 166 2 other signatures 20->166 104 home.fvtekx5vs.top 34.17.28.197 ATGS-MMD-ASUS United States 24->104 114 2 other IPs or domains 24->114 148 Antivirus detection for dropped file 24->148 150 Machine Learning detection for dropped file 24->150 152 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 24->152 37 chrome.exe 24->37         started        106 92.63.197.221 NOVOGARA-ASNL Russian Federation 26->106 92 C:\Users\user\...\Bunifu_UI_v1.5.3.dll, PE32 26->92 dropped 94 C:\Users\user\AppData\Local\...\dll[1], PE32 26->94 dropped 154 Tries to evade debugger and weak emulator (self modifying code) 26->154 156 Hides threads from debuggers 26->156 158 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->158 39 DAFCAAEGDB.exe 4 29->39         started        43 conhost.exe 29->43         started        108 192.168.2.4, 443, 49723, 49730 unknown unknown 31->108 110 239.255.255.250 unknown Reserved 31->110 45 chrome.exe 31->45         started        48 firefox.exe 33->48         started        112 dare-curbys.biz 172.67.181.44 CLOUDFLARENETUS United States 35->112 160 Binary is likely a compiled AutoIt script file 35->160 162 Tries to detect sandboxes and other dynamic analysis tools (window names) 35->162 164 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 35->164 50 taskkill.exe 35->50         started        52 taskkill.exe 35->52         started        54 taskkill.exe 35->54         started        56 3 other processes 35->56 file10 signatures11 process12 dnsIp13 58 chrome.exe 37->58         started        74 C:\Users\user\AppData\Local\...\skotes.exe, PE32 39->74 dropped 168 Detected unpacking (changes PE section rights) 39->168 170 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 39->170 172 Tries to evade debugger and weak emulator (self modifying code) 39->172 174 5 other signatures 39->174 61 skotes.exe 39->61         started        128 www.google.com 142.250.181.100, 443, 49732, 49735 GOOGLEUS United States 45->128 130 plus.l.google.com 172.217.17.78, 443, 49753 GOOGLEUS United States 45->130 132 4 other IPs or domains 45->132 64 conhost.exe 50->64         started        66 conhost.exe 52->66         started        68 conhost.exe 54->68         started        70 conhost.exe 56->70         started        72 conhost.exe 56->72         started        file14 signatures15 process16 dnsIp17 126 www.google.com 58->126 196 Detected unpacking (changes PE section rights) 61->196 198 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 61->198 200 Tries to evade debugger and weak emulator (self modifying code) 61->200 202 3 other signatures 61->202 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-12-04 05:09:12 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xccdft2kfmr43mz5volcjhrv5ycsvigwshsjf7rbmp5j2cpaqfsa._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/241204-fs459symgk/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Modifies system certificate store
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:
Stealc Stealer
YARA:
n/a
Link:
https://app.threat.zone/submission/f46e45d7-5f5e-4d27-9425-29e07233a1f3
Unpacked files
SH256 hash:
2dfbae15295da77113d041c266af45455abcd4608d2f537269c6ca2d73118bed
MD5 hash:
9462f423844ca7035bd7ad9be4b5ef29
SHA1 hash:
fd86cdd15a1731375a220c6a1e29179a98275a1a
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/f727d8fc-94f9-4a51-9e4e-10ff178a653c/
SH256 hash:
b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164
MD5 hash:
93cc0dff629b545186fc85eefc26bed7
SHA1 hash:
2e554e23ec9ae2bb023b1e78a9d0b426480e58eb
Link:
https://www.unpac.me/results/f727d8fc-94f9-4a51-9e4e-10ff178a653c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b88432cf4a2b/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/b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164

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

Executable exe b88432cf4a2b23cdb33dab96249e35ee052aa0d691e492fe2163fa9d09e08164

(this sample)

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