MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f1b2cef6cc9ac8943bd32edd80c5e83c6d42999e0fc15eefcdb933b7d8ae304. 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



MarsStealer


Vendor detections: 16


Intelligence 16 IOCs YARA File information Comments

SHA256 hash: 0f1b2cef6cc9ac8943bd32edd80c5e83c6d42999e0fc15eefcdb933b7d8ae304
SHA3-384 hash: 1b0130a46faa236ff4a8da312ec95482e553e6a3ce75e485484bd1792c86f69e357fb5a217c3dd6e4e1e3bacb383d5af
SHA1 hash: 2569ca966a29bb970da505ccc044da56fe5699bf
MD5 hash: 58689a3c4b2c9dc190b39660aafdf542
humanhash: grey-cola-finch-november
File name:file
Download: download sample
Signature MarsStealer
File size:1'804'288 bytes
First seen:2024-08-27 06:20:09 UTC
Last seen:2024-08-27 07:36:47 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:BUmTGdFdBt/t7VWNkb37IVOCjYgjfPCVx7+bwA3xhnXNgdSWv:OmTGdPBtl7VLAUUYgc4X3x9dgdR
TLSH T1E68533ADEFCB3768E58ED6F26311B22C66A8BC5B2CDBD084CE6341394316D49346D439
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 MarsStealer


Avatar
Bitsight
url: http://31.41.244.11/steam/random.exe

Intelligence


File Origin
# of uploads :
8
# of downloads :
362
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-27 06:23:18 UTC
Tags:
stealer stealc loader themida amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Infostealer Network Stealth Trojan Crypt
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
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.
Result
Threat name:
Amadey, 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 dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Suspicious File Creation In Uncommon AppData 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 (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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1499579 Sample: file.exe Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 96 Multi AV Scanner detection for domain / URL 2->96 98 Suricata IDS alerts for network traffic 2->98 100 Found malware configuration 2->100 102 14 other signatures 2->102 8 file.exe 38 2->8         started        13 svoutse.exe 19 2->13         started        15 svoutse.exe 2->15         started        17 3 other processes 2->17 process3 dnsIp4 72 185.215.113.100, 49710, 49725, 80 WHOLESALECONNECTIONSNL Portugal 8->72 74 31.41.244.11, 49717, 49722, 49724 AEROEXPRESS-ASRU Russian Federation 8->74 56 C:\Users\user\AppData\RoamingECAFHIIJJE.exe, PE32 8->56 dropped 58 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->58 dropped 60 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->60 dropped 70 12 other files (8 malicious) 8->70 dropped 128 Detected unpacking (changes PE section rights) 8->128 130 Tries to steal Mail credentials (via file / registry access) 8->130 132 Found many strings related to Crypto-Wallets (likely being stolen) 8->132 142 6 other signatures 8->142 19 cmd.exe 1 8->19         started        21 cmd.exe 1 8->21         started        76 31.41.244.10, 49721, 49723, 49726 AEROEXPRESS-ASRU Russian Federation 13->76 62 C:\Users\user\AppData\...\dce7a66e9b.exe, PE32 13->62 dropped 64 C:\Users\user\AppData\...\fa2aa7c07f.exe, PE32 13->64 dropped 66 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->66 dropped 68 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->68 dropped 134 Hides threads from debuggers 13->134 136 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->136 138 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->138 23 fa2aa7c07f.exe 13 13->23         started        26 dce7a66e9b.exe 13->26         started        78 192.168.2.6, 443, 49704, 49705 unknown unknown 17->78 80 239.255.255.250 unknown Reserved 17->80 140 Maps a DLL or memory area into another process 17->140 28 msedge.exe 17->28         started        31 msedge.exe 17->31         started        33 msedge.exe 17->33         started        35 6 other processes 17->35 file5 signatures6 process7 dnsIp8 37 RoamingECAFHIIJJE.exe 4 19->37         started        41 conhost.exe 19->41         started        43 userIEGCBFHJDH.exe 21->43         started        45 conhost.exe 21->45         started        118 Multi AV Scanner detection for dropped file 23->118 120 Detected unpacking (changes PE section rights) 23->120 122 Tries to detect sandboxes and other dynamic analysis tools (window names) 23->122 126 4 other signatures 23->126 124 Binary is likely a compiled AutoIt script file 26->124 47 msedge.exe 26->47         started        82 s-part-0029.t-0009.t-msedge.net 13.107.246.57, 443, 49749, 49763 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->82 84 142.250.80.68, 443, 49771 GOOGLEUS United States 28->84 86 5 other IPs or domains 28->86 signatures9 process10 file11 54 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 37->54 dropped 104 Detected unpacking (changes PE section rights) 37->104 106 Tries to evade debugger and weak emulator (self modifying code) 37->106 108 Tries to detect virtualization through RDTSC time measurements 37->108 116 2 other signatures 37->116 49 svoutse.exe 37->49         started        110 Antivirus detection for dropped file 43->110 112 Machine Learning detection for dropped file 43->112 114 Hides threads from debuggers 43->114 52 msedge.exe 47->52         started        signatures12 process13 signatures14 88 Detected unpacking (changes PE section rights) 49->88 90 Tries to evade debugger and weak emulator (self modifying code) 49->90 92 Hides threads from debuggers 49->92 94 2 other signatures 49->94
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-08-27 06:21:06 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:stealc botnet:c7817d botnet:leva credential_access discovery evasion spyware stealer trojan
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
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
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://185.215.113.100
http://31.41.244.10
Unpacked files
SH256 hash:
e938eb70ba7368424ed48f31ebdd27e9e2a82584b0e7da5dfc30001b7e3a944d
MD5 hash:
947b435163de1e8883046f36ffa596a4
SHA1 hash:
6f6a22620b4262e42d3a14babc35b5f506dd4f39
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
0f1b2cef6cc9ac8943bd32edd80c5e83c6d42999e0fc15eefcdb933b7d8ae304
MD5 hash:
58689a3c4b2c9dc190b39660aafdf542
SHA1 hash:
2569ca966a29bb970da505ccc044da56fe5699bf
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

MarsStealer

Executable exe 0f1b2cef6cc9ac8943bd32edd80c5e83c6d42999e0fc15eefcdb933b7d8ae304

(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

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