MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments 1
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SHA256 hash: 43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4
SHA3-384 hash: cf084a388a0e0037c748dfcd21760c78b93db99ec0de2e4b704d94ce96eddbad74f1cccb5c3950368f8e43a5d9cd060b
SHA1 hash: 2d5753cb4b20e5ce6822ef8b96f8cbb38b2b393a
MD5 hash: 370e9decc41c2ed09ec8f40262b9e2f9
humanhash: april-delaware-bravo-purple
File name:370e9decc41c2ed09ec8f40262b9e2f9
Download: download sample
Signature Stealc
Create hunting rule
File size:2'462'720 bytes
First seen:2024-06-27 17:24:22 UTC
Last seen:2024-06-27 19:25:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:cZGGkSVrgjsoj+RZWnxzsGF0AX6FRFuZgqb8RN6cI6u4sQYITeZH:gkSiZjxnxz756FPuZgO8Rs6sQPKZH
TLSH T12DB53360AD41BE4BE7F750F82BB9E85D7555BB021237A91F0062B8BC931216C93D8C9F
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)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4.exe
Verdict:
Malicious activity
Analysis date:
2024-06-27 17:26:40 UTC
Tags:
stealer stealc loader amadey botnet themida
Link:
https://app.any.run/tasks/5773c600-13bf-45f7-883d-fe8f92d0c6b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667da0b5c6541e8c570019ecwin10vpnfull_triage
Tags:
Execution Generic Infostealer Network Stealth Trojan Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/667da078f49c41a31f134808/reports/623c14c6-f227-4a58-badd-ec0dd5e4b503/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4
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:
Malicious
Link:
https://analyze.intezer.com/analyses/474a9f5f-3857-4b67-aede-42500703c37b
Result
Threat name:
Amadey, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1463763
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Snort IDS alert 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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1463763 Sample: ukuWaeRgPR.exe Startdate: 27/06/2024 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Found malware configuration 2->65 67 Antivirus detection for URL or domain 2->67 69 15 other signatures 2->69 8 ukuWaeRgPR.exe 37 2->8         started        13 explorti.exe 16 2->13         started        15 explorti.exe 2->15         started        process3 dnsIp4 49 85.28.47.4, 49705, 49723, 80 GES-ASRU Russian Federation 8->49 51 77.91.77.81, 49706, 49721, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 8->51 37 C:\Users\user\AppData\...HDHDHIECG.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->41 dropped 47 11 other files (7 malicious) 8->47 dropped 87 Detected unpacking (changes PE section rights) 8->87 89 Tries to steal Mail credentials (via file / registry access) 8->89 91 Found many strings related to Crypto-Wallets (likely being stolen) 8->91 99 4 other signatures 8->99 17 cmd.exe 1 8->17         started        19 cmd.exe 2 8->19         started        53 77.91.77.82, 49720, 49722, 49724 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 13->53 43 C:\Users\user\AppData\...\a3b2c9311b.exe, PE32 13->43 dropped 45 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->45 dropped 93 Hides threads from debuggers 13->93 95 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->95 97 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->97 21 a3b2c9311b.exe 12 13->21         started        file5 signatures6 process7 signatures8 24 EHDHDHIECG.exe 4 17->24         started        28 conhost.exe 17->28         started        30 conhost.exe 19->30         started        71 Antivirus detection for dropped file 21->71 73 Multi AV Scanner detection for dropped file 21->73 75 Detected unpacking (changes PE section rights) 21->75 77 2 other signatures 21->77 process9 file10 35 C:\Users\user\AppData\Local\...\explorti.exe, PE32 24->35 dropped 79 Antivirus detection for dropped file 24->79 81 Detected unpacking (changes PE section rights) 24->81 83 Machine Learning detection for dropped file 24->83 85 5 other signatures 24->85 32 explorti.exe 24->32         started        signatures11 process12 signatures13 55 Antivirus detection for dropped file 32->55 57 Detected unpacking (changes PE section rights) 32->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 32->59 61 5 other signatures 32->61
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-06-27 16:34:28 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iplrp5vkfinorpxvngix63glllp5ro4wkekbs3ghcxjq4nksnc2a._file
Verdict:
unknown
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:default discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240627-vy912a1hka/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
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
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.4
http://77.91.77.82
Unpacked files
SH256 hash:
43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4
MD5 hash:
370e9decc41c2ed09ec8f40262b9e2f9
SHA1 hash:
2d5753cb4b20e5ce6822ef8b96f8cbb38b2b393a
Link:
https://www.unpac.me/results/a9f13a0f-41aa-4c5c-a4fe-6126800615eb/
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/43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe 43d717f6aa2a1ae8bef569917f6ccb5adfd8bb965114196cc715d30e355268b4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2907046/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/

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
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

Comments


Avatar
zbet commented on 2024-06-27 17:24:23 UTC

url : hxxp://77.91.77.82/stealc/random.exe