MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d
SHA3-384 hash: e5dfddc2c5a17c8f32dc7ddc5a5108a28ca4494fc130eecb32e93ee7b81b41d327a5b07ebe219a447b881dcd1fd9afba
SHA1 hash: 891eb45d3c52f186cd2cfb03997b996c4535bf26
MD5 hash: a7af58fe0da7ef19da6ad1ce8376597e
humanhash: network-beryllium-uniform-cup
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'780'224 bytes
First seen:2024-12-09 15:11:54 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 24576:SYMBiKhAuQJH3KiS7zJSjJLKC244vGov/wYeGD1Sj/I2sjYDalYvYMObGLzTxrnn:5yvQFKJ7CLl24fjxY9yndrnzj
TLSH T1A58533E21CA7F193C80B1636C594BBF88D6BC72C83FB40941D5C652E46A6BB461CFC96
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:185-215-113-16 185-215-113-209 exe Stealc


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
349
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-09 15:19:07 UTC
Tags:
stealer stealc loader themida
Link:
https://app.any.run/tasks/d1c54df9-e190-4550-b46d-a7584acc2cb8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.22954.8936.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675708c84a662cb526570bf9
Tags:
autorun cobalt spam lien
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/675708c693eb4cd48a9e3cb6/reports/6776b582-939a-4f77-ab77-6aeadcb0742a/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d
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/d3d84dc3-b8f7-4ee5-8e9a-b18fdf5442f3
Result
Threat name:
Amadey, AsyncRAT, Credential Flusher, Lu
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1571683
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Connects to many ports of the same IP (likely port scanning)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies windows update settings
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
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
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 AsyncRAT
Yara detected Credential Flusher
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1571683 Sample: file.exe Startdate: 09/12/2024 Architecture: WINDOWS Score: 100 90 core-span.gl.at.ply.gg 2->90 92 youtube.com 2->92 94 21 other IPs or domains 2->94 120 Suricata IDS alerts for network traffic 2->120 122 Found malware configuration 2->122 124 Malicious sample detected (through community Yara rule) 2->124 126 20 other signatures 2->126 9 skotes.exe 4 32 2->9         started        13 file.exe 36 2->13         started        16 754f5bfd26.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 110 185.215.113.43, 49990, 49996, 80 WHOLESALECONNECTIONSNL Portugal 9->110 112 31.41.244.11, 50002, 80 AEROEXPRESS-ASRU Russian Federation 9->112 162 Creates multiple autostart registry keys 9->162 164 Hides threads from debuggers 9->164 166 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->166 20 bd5d0f25e2.exe 9->20         started        23 9Qk4n8B.exe 9->23         started        26 754f5bfd26.exe 9->26         started        36 3 other processes 9->36 114 185.215.113.16, 49856, 80 WHOLESALECONNECTIONSNL Portugal 13->114 116 185.215.113.206, 49714, 49772, 49818 WHOLESALECONNECTIONSNL Portugal 13->116 118 127.0.0.1 unknown unknown 13->118 76 C:\Users\user\Documents\HCAKFBGCBF.exe, PE32 13->76 dropped 78 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->78 dropped 80 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->80 dropped 82 11 other files (7 malicious) 13->82 dropped 168 Detected unpacking (changes PE section rights) 13->168 170 Attempt to bypass Chrome Application-Bound Encryption 13->170 172 Drops PE files to the document folder of the user 13->172 184 6 other signatures 13->184 28 cmd.exe 1 13->28         started        30 msedge.exe 2 10 13->30         started        32 chrome.exe 13->32         started        174 Query firmware table information (likely to detect VMs) 16->174 176 Found many strings related to Crypto-Wallets (likely being stolen) 16->176 178 Tries to harvest and steal ftp login credentials 16->178 180 Binary is likely a compiled AutoIt script file 18->180 182 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->182 34 firefox.exe 18->34         started        38 7 other processes 18->38 file6 signatures7 process8 dnsIp9 128 Detected unpacking (changes PE section rights) 20->128 130 Tries to detect sandboxes and other dynamic analysis tools (window names) 20->130 132 Modifies windows update settings 20->132 148 4 other signatures 20->148 96 45.200.148.155 Africa-on-Cloud-ASZA Seychelles 23->96 98 ip-api.com 208.95.112.1 TUT-ASUS United States 23->98 134 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 23->134 136 Protects its processes via BreakOnTermination flag 23->136 138 Creates multiple autostart registry keys 23->138 140 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->140 100 atten-supporse.biz 104.21.16.9 CLOUDFLARENETUS United States 26->100 142 Query firmware table information (likely to detect VMs) 26->142 150 2 other signatures 26->150 40 HCAKFBGCBF.exe 4 28->40         started        44 conhost.exe 28->44         started        144 Monitors registry run keys for changes 30->144 46 msedge.exe 30->46         started        102 192.168.2.6, 443, 49706, 49707 unknown unknown 32->102 104 239.255.255.250 unknown Reserved 32->104 48 chrome.exe 32->48         started        108 5 other IPs or domains 34->108 55 2 other processes 34->55 106 80.82.65.70 INT-NETWORKSC Netherlands 36->106 146 Binary is likely a compiled AutoIt script file 36->146 152 2 other signatures 36->152 51 taskkill.exe 36->51         started        53 taskkill.exe 36->53         started        57 4 other processes 36->57 59 5 other processes 38->59 signatures10 process11 dnsIp12 74 C:\Users\user\AppData\Local\...\skotes.exe, PE32 40->74 dropped 154 Detected unpacking (changes PE section rights) 40->154 156 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 40->156 158 Tries to evade debugger and weak emulator (self modifying code) 40->158 160 4 other signatures 40->160 61 skotes.exe 40->61         started        84 www.google.com 172.217.21.36, 443, 49742, 49743 GOOGLEUS United States 48->84 86 plus.l.google.com 48->86 88 apis.google.com 48->88 64 conhost.exe 51->64         started        66 conhost.exe 53->66         started        68 conhost.exe 57->68         started        70 conhost.exe 57->70         started        72 conhost.exe 57->72         started        file13 signatures14 process15 signatures16 186 Antivirus detection for dropped file 61->186 188 Detected unpacking (changes PE section rights) 61->188 190 Machine Learning detection for dropped file 61->190 192 5 other signatures 61->192
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d/
Threat name:
Win32.Ransomware.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-12-09 15:13:24 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xczjq3zgrrv2kpvdbv2qbewaujxh72gn7n2kh7z35fitvuc3ofwq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:gcleaner family:lumma family:stealc family:xworm botnet:9c9aa5 botnet:stok credential_access discovery evasion execution loader persistence pyinstaller rat spyware stealer trojan
Link:
https://tria.ge/reports/241209-sk614s1rcx/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Detects Pyinstaller
Enumerates physical storage devices
Program crash
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
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Drops startup file
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
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Detect Xworm Payload
GCleaner
Gcleaner family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Xworm
Xworm 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
45.200.148.155:5050
Verdict:
Suspicious
Tags:
Stealer Stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/15f038a9-f8ef-484f-9144-8c2a74a7e586
Unpacked files
SH256 hash:
b9a9787b439959ad4f46585adbd08abb1958d2384640bfe7893f9f0760051d6e
MD5 hash:
d630157166c36d76c1d325754e3a82ac
SHA1 hash:
abc30a0ebf7689428e5f674514e158b6d0f7905b
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/8bf73b08-4585-4883-a514-a56abf1d7cc7/
SH256 hash:
b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d
MD5 hash:
a7af58fe0da7ef19da6ad1ce8376597e
SHA1 hash:
891eb45d3c52f186cd2cfb03997b996c4535bf26
Link:
https://www.unpac.me/results/8bf73b08-4585-4883-a514-a56abf1d7cc7/
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8b2986f268c/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/b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d

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 b8b2986f268c6ba53ea30d750092c0a26e7fe8cdfb74a3ff3be9513ad05b716d

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3338053/
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/
  
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