MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107
SHA3-384 hash: dfb89d7d60921822b759b583d8b4038f5c74e7a6dfb3d6a9e656ec562a9c147e2eae3ac980842ce969efd20a5e2624f5
SHA1 hash: 2ad2e47c307b34d9a593e21dfe0dba723c110b3d
MD5 hash: 8aa52be570da2efe4885957e29b89538
humanhash: lamp-grey-muppet-seven
File name:random.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:5'730'304 bytes
First seen:2025-03-22 13:25:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 98304:ZDpKjlkbVghclaJ8RhIc1pX452gw8QzbRwm5H3gzIFNM2w+1R:yxQZFzQQ/5HvX9
TLSH T18046334BE2B4A531CD20173065E767EBABB2BCC96F6A2B5F38075C44087136D3A70769
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter aachum
Tags:092155 Amadey exe Stealc


Avatar
iamaachum
http://45.93.20.28/download.php
http://185.81.68.7/download.php
http://176.113.115.7/download.php

Amadey Botnet: 092155
Amadey C2: http://176.113.115.6/Ni9kiput/index.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
472
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-03-22 12:43:23 UTC
Tags:
amadey stealer botnet lumma darkvision remote loader opendir auto themida rdp rat
Link:
https://app.any.run/tasks/15ee5010-2bb9-42fa-a7db-8b6950fe3708

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67deb06ac8a812f780e8097b
Tags:
vmdetect autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Creating a file
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Connection attempt to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm CAB explorer installer lolbin microsoft_visual_cc packed packed packer_detected rundll32 runonce sfx
Link:
https://www.filescan.io/uploads/67deba37a175d3177344dfc8/reports/66ad9f01-8da2-45fe-a7ff-a15178ef26c4/overview
Verdict:
Malicious
Labled as:
Crifi.Generic
Link:
https://www.hybrid-analysis.com/sample/a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107
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/9f2a4727-3220-44e1-b51d-c6b70060cd93
Result
Threat name:
Amadey, LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1645780
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to start a terminal service
Detected unpacking (changes PE section rights)
Found malware configuration
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
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 browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Yara detected Amadey
Yara detected Amadeys Clipper DLL
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1645780 Sample: random.exe Startdate: 22/03/2025 Architecture: WINDOWS Score: 100 47 wxayfarer.live 2->47 63 Found malware configuration 2->63 65 Antivirus detection for dropped file 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 10 other signatures 2->69 10 random.exe 1 4 2->10         started        13 rapes.exe 12 2->13         started        17 rundll32.exe 2->17         started        19 rundll32.exe 2->19         started        signatures3 process4 dnsIp5 43 C:\Users\user\AppData\Local\...behaviorgraph8U31.exe, PE32 10->43 dropped 45 C:\Users\user\AppData\Local\...\3W01C.exe, PE32 10->45 dropped 21 G8U31.exe 1 4 10->21         started        49 176.113.115.6, 80 SELECTELRU Russian Federation 13->49 91 Contains functionality to start a terminal service 13->91 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 file6 signatures7 process8 file9 37 C:\Users\user\AppData\Local\...\2S4013.exe, PE32 21->37 dropped 39 C:\Users\user\AppData\Local\...\1P27l3.exe, PE32 21->39 dropped 71 Antivirus detection for dropped file 21->71 73 Multi AV Scanner detection for dropped file 21->73 25 1P27l3.exe 4 21->25         started        29 2S4013.exe 21->29         started        signatures10 process11 dnsIp12 41 C:\Users\user\AppData\Local\...\rapes.exe, PE32 25->41 dropped 75 Antivirus detection for dropped file 25->75 77 Multi AV Scanner detection for dropped file 25->77 79 Detected unpacking (changes PE section rights) 25->79 87 6 other signatures 25->87 32 rapes.exe 25->32         started        51 176.113.115.7, 80 SELECTELRU Russian Federation 29->51 53 wxayfarer.live 104.21.112.1, 443, 49695, 49696 CLOUDFLARENETUS United States 29->53 81 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->81 83 Query firmware table information (likely to detect VMs) 29->83 85 Tries to harvest and steal ftp login credentials 29->85 89 2 other signatures 29->89 file13 signatures14 process15 signatures16 55 Antivirus detection for dropped file 32->55 57 Multi AV Scanner detection for dropped file 32->57 59 Detected unpacking (changes PE section rights) 32->59 61 6 other signatures 32->61 35 conhost.exe 32->35         started        process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107/
Threat name:
Win32.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-03-22 12:43:24 UTC
File Type:
PE (Exe)
Extracted files:
79
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzvncf4gix4unzxjxggbqhtgbx4l7b6drseleifcj427aqdmyedq._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:gcleaner family:skuld family:stealc family:xworm botnet:092155 botnet:trump agilenet bootkit defense_evasion discovery execution loader persistence privilege_escalation rat spyware stealer themida trojan upx
Link:
https://tria.ge/reports/250322-qnz1vsxmz3/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Views/modifies file attributes
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Program crash
System Location Discovery: System Language Discovery
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Enumerates processes with tasklist
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
UPX packed file
Adds Run key to start application
Checks for any installed AV software in registry
Checks installed software on the system
Checks whether UAC is enabled
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Executes dropped EXE
Identifies Wine through registry keys
Impair Defenses: Safe Mode Boot
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Drops file in Drivers directory
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Detect Xworm Payload
GCleaner
Gcleaner family
Process spawned unexpected child process
Skuld family
Skuld stealer
Stealc
Stealc family
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Xworm family
Malware Config
C2 Extraction:
http://176.113.115.6
http://45.93.20.28
https://discordapp.com/api/webhooks/1349647136895012916/qSys_fpsL_y7usKH_AyrFupSjzSsVfg2t895g2HV8Yz72asrwCIsHaqqhPtDFjz8g8_E
httpss.myvnc.com:1907
Dropper Extraction:
http://196.251.91.42/up/uploads/encryption02.jpg
Gathering data
Unpacked files
SH256 hash:
a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107
MD5 hash:
8aa52be570da2efe4885957e29b89538
SHA1 hash:
2ad2e47c307b34d9a593e21dfe0dba723c110b3d
Link:
https://www.unpac.me/results/8847bd1b-4862-4840-8236-a766db3f4bff/
SH256 hash:
28aa3e3e096c90e59fbc4227a6d2158fba93fb293744359adbf2f013bdea56b2
MD5 hash:
3501e59c743cb25d3d6f8510bcc7698c
SHA1 hash:
029d742ca06dfdd6ef6cd80a78cd285dd57efd29
Detections:
Amadey
Create hunting rule
Link:
https://www.unpac.me/results/8847bd1b-4862-4840-8236-a766db3f4bff/
SH256 hash:
c53cf0563197884e25a30fb4cd433458956feca8d592f1fa0c3d29c11d9b9f53
MD5 hash:
6333e068ce69ce717639daa1491036a5
SHA1 hash:
f2dd51dc57ba7c391f2433cd2d1670a195a0ffad
Link:
https://www.unpac.me/results/8847bd1b-4862-4840-8236-a766db3f4bff/
SH256 hash:
365be0a5ef3d25fcf562ea165348aa6c80f85766a861d3543dfcb7c676119666
MD5 hash:
fd90bba5a72e7256eee5ca550b44e186
SHA1 hash:
86a2410353abbdb2b3b159aedb1734408e0bebae
Detections:
win_stealc_a0
Create hunting rule
win_stealc_w0
Create hunting rule
stealc
Create hunting rule
Link:
https://www.unpac.me/results/8847bd1b-4862-4840-8236-a766db3f4bff/
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a66ad1178645/report/overview.html
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/a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:detect_Redline_Stealer
Create hunting rule
Author:Varp0s
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Stealc
Create hunting rule
Author:kevoreilly
Description:Stealc Payload
Rule name:Stealer_Stealc
Create hunting rule
Author:Still
Description:attempts to match instructions/strings found in Stealc
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_2bba6bae
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_generic
Create hunting rule
Author:dubfib
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107

(this sample)

  
Link
https://tria.ge/250322-pt73zswqy9
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3470471/
  
URLhaus
https://urlhaus.abuse.ch/url/3470479/

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA

Comments