MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43fb165430900357661675fd65edc666c9f96f928d6f91e979843f333e9d742c. 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: 16


Intelligence 16 IOCs YARA File information Comments

SHA256 hash: 43fb165430900357661675fd65edc666c9f96f928d6f91e979843f333e9d742c
SHA3-384 hash: 9b7a7b382f28a0ecc378fa3005647b5078dc0ddb9c8cdc17b3503880b767e79b977ce53f74bcfb3dbac8e3355583483d
SHA1 hash: 1bb28f2f1fe333bdb9148bd96e54d51de0477066
MD5 hash: 31e3b957381af1599cc673311d477601
humanhash: autumn-spaghetti-grey-artist
File name:file
Download: download sample
Signature Stealc
File size:1'800'704 bytes
First seen:2024-08-26 06:42:23 UTC
Last seen:2024-08-26 07:35:11 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:NyojRYBKk+dkwcZ4nM9sWuPISmcWFLWoSI:Nyo1YBKkekJZ59sWuPISmcW8ob
TLSH T1C185332B9D933E75D0BC0DB5EAD666ACF0712D6A7295F8226E1003504C2324FFAF9479
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://31.41.244.11/steam/random.exe

Intelligence


File Origin
# of uploads :
10
# of downloads :
416
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-26 06:44:29 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 Generic Infostealer Network Stealth Trojan
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 dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
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 dnsIp2 2 Behavior Graph ID: 1498893 Sample: file.exe Startdate: 26/08/2024 Architecture: WINDOWS Score: 100 92 us-west1.prod.sumo.prod.webservices.mozgcp.net 2->92 94 telemetry-incoming.r53-2.services.mozilla.com 2->94 96 24 other IPs or domains 2->96 120 Suricata IDS alerts for network traffic 2->120 122 Found malware configuration 2->122 124 Antivirus detection for URL or domain 2->124 126 13 other signatures 2->126 9 file.exe 37 2->9         started        14 svoutse.exe 19 2->14         started        16 msedge.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 98 185.215.113.100, 49730, 49743, 80 WHOLESALECONNECTIONSNL Portugal 9->98 100 31.41.244.11, 49737, 49740, 49742 AEROEXPRESS-ASRU Russian Federation 9->100 74 C:\Users\user\AppData\RoamingIDGIJEGHDA.exe, PE32 9->74 dropped 76 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->76 dropped 78 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->78 dropped 88 13 other files (9 malicious) 9->88 dropped 152 Detected unpacking (changes PE section rights) 9->152 154 Tries to steal Mail credentials (via file / registry access) 9->154 156 Found many strings related to Crypto-Wallets (likely being stolen) 9->156 166 6 other signatures 9->166 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        102 31.41.244.10, 49739, 49741, 49744 AEROEXPRESS-ASRU Russian Federation 14->102 80 C:\Users\user\AppData\...\598a2b702f.exe, PE32 14->80 dropped 82 C:\Users\user\AppData\...\baef7ca9a7.exe, PE32 14->82 dropped 84 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->84 dropped 86 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->86 dropped 158 Hides threads from debuggers 14->158 160 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->160 162 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->162 24 baef7ca9a7.exe 13 14->24         started        27 598a2b702f.exe 1 14->27         started        104 192.168.2.4, 138, 443, 49249 unknown unknown 16->104 106 239.255.255.250 unknown Reserved 16->106 90 2 other malicious files 16->90 dropped 164 Maps a DLL or memory area into another process 16->164 29 msedge.exe 16->29         started        32 msedge.exe 16->32         started        37 3 other processes 16->37 34 firefox.exe 18->34         started        39 2 other processes 18->39 file6 signatures7 process8 dnsIp9 41 RoamingIDGIJEGHDA.exe 4 20->41         started        45 conhost.exe 20->45         started        47 userGDHIIDAFID.exe 22->47         started        49 conhost.exe 22->49         started        128 Multi AV Scanner detection for dropped file 24->128 130 Detected unpacking (changes PE section rights) 24->130 132 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->132 136 4 other signatures 24->136 134 Binary is likely a compiled AutoIt script file 27->134 51 msedge.exe 27->51         started        53 firefox.exe 27->53         started        108 13.107.246.40, 443, 49794, 49795 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->108 110 s-part-0029.t-0009.t-msedge.net 13.107.246.57, 443, 49786 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->110 116 12 other IPs or domains 29->116 112 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49798, 49809, 49843 GOOGLEUS United States 34->112 114 push.services.mozilla.com 34.107.243.93, 443, 49867 GOOGLEUS United States 34->114 118 8 other IPs or domains 34->118 66 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 34->66 dropped 68 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 34->68 dropped 70 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 34->70 dropped 55 firefox.exe 34->55         started        57 firefox.exe 34->57         started        59 firefox.exe 34->59         started        file10 signatures11 process12 file13 72 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 41->72 dropped 138 Detected unpacking (changes PE section rights) 41->138 140 Tries to evade debugger and weak emulator (self modifying code) 41->140 142 Tries to detect virtualization through RDTSC time measurements 41->142 150 3 other signatures 41->150 61 svoutse.exe 41->61         started        144 Antivirus detection for dropped file 47->144 146 Machine Learning detection for dropped file 47->146 148 Hides threads from debuggers 47->148 64 msedge.exe 51->64         started        signatures14 process15 signatures16 168 Detected unpacking (changes PE section rights) 61->168 170 Tries to evade debugger and weak emulator (self modifying code) 61->170 172 Hides threads from debuggers 61->172 174 2 other signatures 61->174
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-08-26 06:43:13 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:stealc botnet:leva 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
Malware Config
C2 Extraction:
http://185.215.113.100
Unpacked files
SH256 hash:
20f21a2bc32f6039deffad2f92b5a4bd954045e51fd4d9bb22b5edd98c0e2bf0
MD5 hash:
b7ff6cea3e01de2bd361c8e360e524fa
SHA1 hash:
80a998da400a0fd78b9de8ee491f48ed2ece1f97
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
43fb165430900357661675fd65edc666c9f96f928d6f91e979843f333e9d742c
MD5 hash:
31e3b957381af1599cc673311d477601
SHA1 hash:
1bb28f2f1fe333bdb9148bd96e54d51de0477066
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 43fb165430900357661675fd65edc666c9f96f928d6f91e979843f333e9d742c

(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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