MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e. 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: 61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e
SHA3-384 hash: f3c52491e734582cb8de97e57e086d2ec1f98a0b6b5ee32d6cad5eb04a55c1ee4cb5e2e0452858b779c91cbe458a4c71
SHA1 hash: 222cf4373cb4d9f05dccd3e2745a4b19cb4dd29f
MD5 hash: c17ed24e02488677c15a7f9af66a0aba
humanhash: sink-quiet-delaware-tango
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'124'800 bytes
First seen:2024-11-06 20:49:13 UTC
Last seen:2024-11-06 22:19:50 UTC
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:l+UT9u2iXY1pBSxJs/OjJcUgzQZobZo1W:l+sZiXYZSPy19o1W
TLSH T13BA5332D6C1D1356D6EEE0F482282393E817B33D6740AFF5CF593103629274B96D1B6A
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 :
29
# of downloads :
2'577
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-06 20:50:14 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/f58408e1-2e6f-4fed-b49c-c917f05f7865

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.23601.9435.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672bd68449e92a05dde39bfc
Tags:
vmdetect autorun spam lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file
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/672bd686c7967d5267a93a5f/reports/27d837b6-773d-4d07-8230-cb910ac1f5b7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e
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/43034020-df8f-470c-855c-ef3bd38485ba
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550590
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 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 sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
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 Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Amadeys stealer DLL
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: 1550590 Sample: file.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 58 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 2->58 86 Suricata IDS alerts for network traffic 2->86 88 Found malware configuration 2->88 90 Antivirus detection for URL or domain 2->90 92 11 other signatures 2->92 9 file.exe 38 2->9         started        14 skotes.exe 2->14         started        16 msedge.exe 634 2->16         started        signatures3 process4 dnsIp5 70 185.215.113.16, 49929, 80 WHOLESALECONNECTIONSNL Portugal 9->70 72 185.215.113.206, 49704, 49732, 49800 WHOLESALECONNECTIONSNL Portugal 9->72 74 127.0.0.1 unknown unknown 9->74 50 C:\Users\user\DocumentsCBGCGDBKEG.exe, PE32 9->50 dropped 52 C:\ProgramData\nss3.dll, PE32 9->52 dropped 54 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 9->54 dropped 56 12 other files (none is malicious) 9->56 dropped 104 Detected unpacking (changes PE section rights) 9->104 106 Attempt to bypass Chrome Application-Bound Encryption 9->106 108 Drops PE files to the document folder of the user 9->108 116 9 other signatures 9->116 18 cmd.exe 9->18         started        20 msedge.exe 2 10 9->20         started        23 chrome.exe 8 9->23         started        110 Hides threads from debuggers 14->110 112 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->112 114 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->114 76 192.168.2.16 unknown unknown 16->76 78 192.168.2.4 unknown unknown 16->78 26 msedge.exe 16->26         started        28 msedge.exe 16->28         started        30 msedge.exe 16->30         started        32 msedge.exe 16->32         started        file6 signatures7 process8 dnsIp9 34 DocumentsCBGCGDBKEG.exe 18->34         started        38 conhost.exe 18->38         started        102 Monitors registry run keys for changes 20->102 40 msedge.exe 20->40         started        60 192.168.2.5, 443, 49703, 49704 unknown unknown 23->60 62 239.255.255.250 unknown Reserved 23->62 42 chrome.exe 23->42         started        64 13.107.246.57, 443, 49830, 49831 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->64 66 150.171.27.10, 443, 49869, 49888 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->66 68 21 other IPs or domains 26->68 signatures10 process11 dnsIp12 48 C:\Users\user\AppData\Local\...\skotes.exe, PE32 34->48 dropped 94 Detected unpacking (changes PE section rights) 34->94 96 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 34->96 98 Tries to evade debugger and weak emulator (self modifying code) 34->98 100 4 other signatures 34->100 45 skotes.exe 34->45         started        80 www.google.com 172.217.16.196, 443, 49708, 49709 GOOGLEUS United States 42->80 82 play.google.com 172.217.23.110, 443, 49725, 49730 GOOGLEUS United States 42->82 84 2 other IPs or domains 42->84 file13 signatures14 process15 signatures16 118 Detected unpacking (changes PE section rights) 45->118 120 Tries to detect sandboxes and other dynamic analysis tools (window names) 45->120 122 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 45->122 124 4 other signatures 45->124
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-06 20:50:07 UTC
File Type:
PE (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mfidvk3oro2toyyrcvkwz6eyrfbhiii4vylmcqyidqureuzkagha._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241106-zmkn8awrcz/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
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
Link:
https://app.threat.zone/submission/26870806-da3a-457c-8f60-bdc0b7f872eb
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/e26280d9-7f86-4d64-804d-82d08569566e/
SH256 hash:
540a8eec026e18011d2367039ad6c0457afa06694ffeba2768d7e123db09fb8c
MD5 hash:
d2d8a09161c4a6cf086413e178fc88fb
SHA1 hash:
7503d542424983978bf2c666b4374314665f145b
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/e26280d9-7f86-4d64-804d-82d08569566e/
SH256 hash:
61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e
MD5 hash:
c17ed24e02488677c15a7f9af66a0aba
SHA1 hash:
222cf4373cb4d9f05dccd3e2745a4b19cb4dd29f
Link:
https://www.unpac.me/results/e26280d9-7f86-4d64-804d-82d08569566e/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/61503aab6e8b/report/overview.html
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: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 61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/

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