MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31e250c067e640fc77f9aa27e95c8e2c7811239bc4e0743942099a53d2331538. 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 File information Comments

SHA256 hash: 31e250c067e640fc77f9aa27e95c8e2c7811239bc4e0743942099a53d2331538
SHA3-384 hash: fd0ae7e848b8d2c4cbfde561b574f7ad838fa8f8331281f6c491f0ffa1aa2e316a4d27252e0db6ac22fda3cf569f3ee5
SHA1 hash: 91af2510e4fb899e24dd7f16749c4f949c671c1d
MD5 hash: e856531e19c346e547485cdd8e3fed71
humanhash: low-berlin-red-foxtrot
File name:file
Download: download sample
Signature Stealc
File size:1'775'104 bytes
First seen:2024-11-14 04:01:56 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 24576:Mkn7zDHfrerpfhiRU52oS6jcSnncrp+6AoTOSDEntUvheZ4KmogMAVtvCGeXVj:d7f/i1PS86AgvDctUvMZ43aAOZV
TLSH T19985332718366328CD45CBBC3D1BA3F3AFB8855DC6A92D4E707986343DA7E5658C0827
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 :
442
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-14 04:03:28 UTC
Tags:
lumma stealer loader themida stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun spam lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
PureCrypter, LummaC, Amadey, LummaC Stea
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
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
Creates multiple autostart registry keys
Detected PureCrypter Trojan
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Drops PE files to the startup folder
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
Loading BitLocker PowerShell Module
LummaC encrypted strings found
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies windows update settings
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
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1555562 Sample: file.exe Startdate: 14/11/2024 Architecture: WINDOWS Score: 100 146 Found malware configuration 2->146 148 Antivirus detection for URL or domain 2->148 150 Antivirus / Scanner detection for submitted sample 2->150 152 14 other signatures 2->152 10 skotes.exe 2->10         started        15 file.exe 37 2->15         started        17 5400c2287e.exe 2->17         started        19 3 other processes 2->19 process3 dnsIp4 136 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 10->136 138 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 10->138 84 C:\Users\user\AppData\...\03519739d0.exe, PE32 10->84 dropped 86 C:\Users\user\AppData\...\985af1ef37.exe, PE32 10->86 dropped 88 C:\Users\user\AppData\...\bd895cb8a6.exe, PE32 10->88 dropped 96 8 other malicious files 10->96 dropped 198 Creates multiple autostart registry keys 10->198 200 Hides threads from debuggers 10->200 202 Tries to detect sandboxes / dynamic malware analysis system (registry check) 10->202 21 lum250.exe 10->21         started        25 bd895cb8a6.exe 10->25         started        27 babababa.exe 10->27         started        38 5 other processes 10->38 140 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 15->140 142 185.215.113.206 WHOLESALECONNECTIONSNL Portugal 15->142 144 127.0.0.1 unknown unknown 15->144 90 C:\Users\user\DocumentsCBFBGCGIJK.exe, PE32 15->90 dropped 92 C:\Users\user\AppData\...\softokn3[1].dll, PE32 15->92 dropped 94 C:\Users\user\AppData\Local\...\random[1].exe, PE32 15->94 dropped 98 11 other files (3 malicious) 15->98 dropped 204 Detected unpacking (changes PE section rights) 15->204 206 Attempt to bypass Chrome Application-Bound Encryption 15->206 208 Drops PE files to the document folder of the user 15->208 218 8 other signatures 15->218 30 cmd.exe 15->30         started        32 msedge.exe 2 10 15->32         started        34 chrome.exe 15->34         started        210 Query firmware table information (likely to detect VMs) 17->210 212 Tries to steal Crypto Currency Wallets 17->212 214 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 17->214 216 Maps a DLL or memory area into another process 19->216 36 msedge.exe 19->36         started        40 6 other processes 19->40 file5 signatures6 process7 dnsIp8 114 172.67.174.133 CLOUDFLARENETUS United States 21->114 158 Multi AV Scanner detection for dropped file 21->158 160 Detected unpacking (changes PE section rights) 21->160 162 Query firmware table information (likely to detect VMs) 21->162 178 6 other signatures 21->178 164 Modifies windows update settings 25->164 166 Disables Windows Defender Tamper protection 25->166 168 Tries to evade debugger and weak emulator (self modifying code) 25->168 180 2 other signatures 25->180 100 C:\Users\user\...\decrypted_executable.exe, PE32+ 27->100 dropped 42 cmd.exe 27->42         started        45 conhost.exe 27->45         started        47 DocumentsCBFBGCGIJK.exe 30->47         started        50 conhost.exe 30->50         started        170 Monitors registry run keys for changes 32->170 52 msedge.exe 32->52         started        122 2 other IPs or domains 34->122 54 chrome.exe 34->54         started        116 13.107.21.237 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->116 118 13.107.21.239 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->118 124 29 other IPs or domains 36->124 102 C:\Users\user\AppData\Local\...\Cookies, SQLite 36->102 dropped 172 Tries to detect sandboxes and other dynamic analysis tools (window names) 38->172 174 Tries to harvest and steal ftp login credentials 38->174 176 Tries to harvest and steal browser information (history, passwords, etc) 38->176 57 chrome.exe 38->57         started        120 20.42.73.27 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 40->120 126 2 other IPs or domains 40->126 file9 signatures10 process11 dnsIp12 186 Suspicious powershell command line found 42->186 188 Adds a directory exclusion to Windows Defender 42->188 59 decrypted_executable.exe 42->59         started        106 C:\Users\user\AppData\Local\...\skotes.exe, PE32 47->106 dropped 190 Detected unpacking (changes PE section rights) 47->190 192 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 47->192 194 Tries to evade debugger and weak emulator (self modifying code) 47->194 196 4 other signatures 47->196 63 skotes.exe 47->63         started        128 142.250.185.138 GOOGLEUS United States 54->128 130 142.250.185.142 GOOGLEUS United States 54->130 132 8 other IPs or domains 54->132 65 chrome.exe 57->65         started        file13 signatures14 process15 dnsIp16 104 C:\Users\user\AppData\Local\Temp\...\D5DB.bat, ASCII 59->104 dropped 220 Multi AV Scanner detection for dropped file 59->220 68 cmd.exe 59->68         started        222 Detected unpacking (changes PE section rights) 63->222 224 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 63->224 226 Tries to evade debugger and weak emulator (self modifying code) 63->226 228 3 other signatures 63->228 108 142.250.185.238 GOOGLEUS United States 65->108 110 142.250.186.67 GOOGLEUS United States 65->110 112 3 other IPs or domains 65->112 file17 signatures18 process19 signatures20 154 Suspicious powershell command line found 68->154 156 Adds a directory exclusion to Windows Defender 68->156 71 curl.exe 68->71         started        76 powershell.exe 68->76         started        78 conhost.exe 68->78         started        80 DataStore1.exe 68->80         started        process21 dnsIp22 134 162.159.130.233 CLOUDFLARENETUS United States 71->134 82 C:\Users\user\AppData\...\DataStore1.exe, PE32+ 71->82 dropped 182 Drops PE files to the startup folder 71->182 184 Loading BitLocker PowerShell Module 76->184 file23 signatures24
Threat name:
Win32.Trojan.Amadey
Status:
Suspicious
First seen:
2024-11-14 04:02:16 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e60f3c43b6cb6b45205b8eda1af1b594e5799578a5790db6f56c82414ea0bf05
MD5 hash:
0252c629174bf02ebe0079c8c2cd46c0
SHA1 hash:
055945d132061dc9fcc8d1a96949f058d50f881a
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
31e250c067e640fc77f9aa27e95c8e2c7811239bc4e0743942099a53d2331538
MD5 hash:
e856531e19c346e547485cdd8e3fed71
SHA1 hash:
91af2510e4fb899e24dd7f16749c4f949c671c1d
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

Stealc

Executable exe 31e250c067e640fc77f9aa27e95c8e2c7811239bc4e0743942099a53d2331538

(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