MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b899ea1abf499ed31356bb9cbe509cc987aa5cfaa4d80db3f5e9d4618f6136f. 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

SHA256 hash: 2b899ea1abf499ed31356bb9cbe509cc987aa5cfaa4d80db3f5e9d4618f6136f
SHA3-384 hash: fb326c217f50f781f4000f5808563d9bc3e55ad6f8614796f81b612931f359c0adb766d2b89947507126b48e30f2c627
SHA1 hash: acb032b3515c44655f3344e5311fdb6b1b653e49
MD5 hash: c7aa7e4a10661dc0756f9466b95d6d6d
humanhash: queen-eleven-don-cola
File name:file
Download: download sample
Signature Stealc
File size:1'781'248 bytes
First seen:2024-11-30 17:00:00 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 49152:0D40Qfr0lccxaSJVLLv0aFVZssCBgPOHBFyXHK:ucD/cxaS3LLv0a9waGBd
TLSH T1C28533EC1C29D275CFC2E63643FBD369097C21A8B1728A23D681457932E592FB375B21
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 :
362
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ZQ7XX_file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-30 17:09:36 UTC
Tags:
stealer stealc loader themida amadey botnet remote xworm cryptbot gcleaner antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect autorun autoit spam
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected
Result
Threat name:
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)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
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 (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 Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1565746 Sample: file.exe Startdate: 30/11/2024 Architecture: WINDOWS Score: 100 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 8 other signatures 2->52 7 file.exe 33 2->7         started        process3 dnsIp4 36 185.215.113.206, 49730, 49751, 49761 WHOLESALECONNECTIONSNL Portugal 7->36 38 185.215.113.16, 49794, 80 WHOLESALECONNECTIONSNL Portugal 7->38 40 127.0.0.1 unknown unknown 7->40 22 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 7->22 dropped 24 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 7->24 dropped 26 C:\Users\user\AppData\...\mozglue[1].dll, PE32 7->26 dropped 28 5 other files (none is malicious) 7->28 dropped 54 Detected unpacking (changes PE section rights) 7->54 56 Attempt to bypass Chrome Application-Bound Encryption 7->56 58 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->58 60 9 other signatures 7->60 12 chrome.exe 7->12         started        15 cmd.exe 2 7->15         started        file5 signatures6 process7 dnsIp8 42 192.168.2.4, 138, 443, 49498 unknown unknown 12->42 44 239.255.255.250 unknown Reserved 12->44 17 chrome.exe 12->17         started        20 conhost.exe 15->20         started        process9 dnsIp10 30 plus.l.google.com 172.217.17.78, 443, 49755 GOOGLEUS United States 17->30 32 www.google.com 172.217.21.36, 443, 49734, 49735 GOOGLEUS United States 17->32 34 2 other IPs or domains 17->34
Threat name:
Win32.Ransomware.Crysis
Status:
Malicious
First seen:
2024-11-30 17:00:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:drum 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:
Stealc Stealer
YARA:
n/a
Unpacked files
SH256 hash:
2d6bb2d3337ed17e91f221b8f87cc5f3fad65b5ca9068aeca221721c5fae881d
MD5 hash:
e2efd5b1857590e41582fc6a971f1539
SHA1 hash:
a702ee8cb043ae62df79e1a0fd949586547f2c2a
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
2b899ea1abf499ed31356bb9cbe509cc987aa5cfaa4d80db3f5e9d4618f6136f
MD5 hash:
c7aa7e4a10661dc0756f9466b95d6d6d
SHA1 hash:
acb032b3515c44655f3344e5311fdb6b1b653e49
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)
Rule name:vmdetect
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 2b899ea1abf499ed31356bb9cbe509cc987aa5cfaa4d80db3f5e9d4618f6136f

(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