MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88425a85c72ab6b674612a789b1946b3c3a1cb0dc4baa65e16e9c2f3725221d. 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

SHA256 hash: b88425a85c72ab6b674612a789b1946b3c3a1cb0dc4baa65e16e9c2f3725221d
SHA3-384 hash: 40ff1d4b33a9e9bb05381958961a1084a5b2ab27d336a46cbd1eaf52c4ebdcdb398cda5d1e6d887088bc12969b123059
SHA1 hash: 51d27cce4c93fec014d9bd501fe8cfda72b64305
MD5 hash: 6de40364436ae2851113ddd37a229f5c
humanhash: hotel-georgia-west-bakerloo
File name:file
Download: download sample
Signature Stealc
File size:1'795'072 bytes
First seen:2024-11-27 14:49:17 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:HhiJo/50On/ns+p/uymNhJcByO1wzX44EbY2hpKFFnX3Gr:Hhi6R0OnkQGyaSB92zXLPnH
TLSH T1598533AB07B0C3B5DBED43B4AEB5D0B54A449128D3317CDC989628782F91316DEEE136
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 :
397
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1dcc039596d3f58e24e1d12ee64d51eb569f157689c3cb6ada3c2e932d314719
Verdict:
Malicious activity
Analysis date:
2024-11-27 14:50:45 UTC
Tags:
lumma stealer themida loader stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus small spam hype
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
Result
Threat name:
Amadey, Nymaim, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
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
Potentially malicious time measurement code found
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1563927 Sample: file.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 74 home.twentykm20sr.top 2->74 102 Suricata IDS alerts for network traffic 2->102 104 Found malware configuration 2->104 106 Malicious sample detected (through community Yara rule) 2->106 108 13 other signatures 2->108 9 file.exe 37 2->9         started        14 skotes.exe 2->14         started        16 skotes.exe 2->16         started        18 msedge.exe 115 632 2->18         started        signatures3 process4 dnsIp5 76 185.215.113.206, 49701, 49738, 49777 WHOLESALECONNECTIONSNL Portugal 9->76 78 185.215.113.16, 49907, 80 WHOLESALECONNECTIONSNL Portugal 9->78 80 127.0.0.1 unknown unknown 9->80 56 C:\Users\user\DocumentsBGDBAKFCFH.exe, PE32 9->56 dropped 58 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->58 dropped 60 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->60 dropped 68 11 other files (3 malicious) 9->68 dropped 142 Detected unpacking (changes PE section rights) 9->142 144 Attempt to bypass Chrome Application-Bound Encryption 9->144 146 Drops PE files to the document folder of the user 9->146 154 9 other signatures 9->154 20 cmd.exe 9->20         started        22 msedge.exe 2 11 9->22         started        25 chrome.exe 9->25         started        82 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->82 84 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 14->84 62 C:\Users\user\AppData\...\a01b32dfa9.exe, PE32 14->62 dropped 64 C:\Users\user\AppData\...\d4a6d0bce7.exe, PE32 14->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\unik.exe, PE32 14->66 dropped 70 3 other files (2 malicious) 14->70 dropped 148 Hides threads from debuggers 14->148 150 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->150 152 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->152 28 d4a6d0bce7.exe 14->28         started        30 unik.exe 14->30         started        86 192.168.2.9 unknown unknown 18->86 32 msedge.exe 18->32         started        34 msedge.exe 18->34         started        36 msedge.exe 18->36         started        38 msedge.exe 18->38         started        file6 signatures7 process8 dnsIp9 40 DocumentsBGDBAKFCFH.exe 20->40         started        44 conhost.exe 20->44         started        118 Monitors registry run keys for changes 22->118 46 msedge.exe 22->46         started        88 192.168.2.7, 443, 49700, 49701 unknown unknown 25->88 90 239.255.255.250 unknown Reserved 25->90 48 chrome.exe 25->48         started        92 httpbin.org 18.213.123.165 AMAZON-AESUS United States 28->92 120 Multi AV Scanner detection for dropped file 28->120 122 Detected unpacking (changes PE section rights) 28->122 124 Tries to detect sandboxes and other dynamic analysis tools (window names) 28->124 132 2 other signatures 28->132 94 185.156.72.65 ITDELUXE-ASRU Russian Federation 30->94 126 Tries to evade debugger and weak emulator (self modifying code) 30->126 128 Hides threads from debuggers 30->128 130 Tries to detect sandboxes / dynamic malware analysis system (registry check) 30->130 96 sb.scorecardresearch.com 18.161.69.117, 443, 49813 MIT-GATEWAYSUS United States 32->96 98 104.208.16.90, 443, 49873, 49915 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 32->98 100 25 other IPs or domains 32->100 signatures10 process11 dnsIp12 54 C:\Users\user\AppData\Local\...\skotes.exe, PE32 40->54 dropped 134 Detected unpacking (changes PE section rights) 40->134 136 Tries to evade debugger and weak emulator (self modifying code) 40->136 138 Tries to detect virtualization through RDTSC time measurements 40->138 140 4 other signatures 40->140 51 skotes.exe 40->51         started        72 www.google.com 142.250.181.100, 443, 49723, 49724 GOOGLEUS United States 48->72 file13 signatures14 process15 signatures16 110 Detected unpacking (changes PE section rights) 51->110 112 Tries to evade debugger and weak emulator (self modifying code) 51->112 114 Hides threads from debuggers 51->114 116 2 other signatures 51->116
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-11-27 14:50:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:mars discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
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://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5866c39e618b9e084198c3beac08d151c982deebc61d695f512bae8bf1b4628b
MD5 hash:
d612f8470dd149946d6d512dcfa44e1d
SHA1 hash:
cd8401708889b47d29ca20ad7fcaf47fe20d5c5c
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
b88425a85c72ab6b674612a789b1946b3c3a1cb0dc4baa65e16e9c2f3725221d
MD5 hash:
6de40364436ae2851113ddd37a229f5c
SHA1 hash:
51d27cce4c93fec014d9bd501fe8cfda72b64305
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
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 b88425a85c72ab6b674612a789b1946b3c3a1cb0dc4baa65e16e9c2f3725221d

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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