MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35. 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



Amadey


Vendor detections: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35
SHA3-384 hash: 0fcf53c05701eac594843e8985573d1839bd541819ceacbbf2adb10526f61b899fc0a219b4edbcd4f1be375ebd9ee1c2
SHA1 hash: b8ef3bb7575139fd6997379415d7119e452b5fc4
MD5 hash: c6aabb27450f1a9939a417e86bf53217
humanhash: high-monkey-kentucky-echo
File name:c6aabb27450f1a9939a417e86bf53217.dll
Download: download sample
Signature Amadey
File size:1'281'024 bytes
First seen:2024-12-13 06:46:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f175edea93fa7a76a78004d12de2235 (13 x Amadey)
ssdeep 24576:BO//kL3TtMhQsnoXyajMK8fCZEqcAxQBuLv8YPKpTG:z3pMhQzRM3MfcAxHv8t
TLSH T1DD556C0BA36141BCD4BBE1789A175A46F775704603709AEB07E446A63F13FE1AEBE310
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:Amadey dll exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
365
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
1bbc3bff13812c25d47cd84bca3da2dc.exe
Verdict:
Malicious activity
Analysis date:
2024-12-13 00:37:05 UTC
Tags:
payload loader stealer metastealer redline amadey botnet python crypto-regex rdp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus lien sage zusy
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto fingerprint hacktool lolbin makecab masquerade microsoft_visual_cc netsh stealer
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:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Capture Wi-Fi password
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal WLAN passwords
Tries to steal Instant Messenger accounts or passwords
Uses netsh to modify the Windows network and firewall settings
Yara detected Amadeys stealer DLL
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1574267 Sample: hoPazBDFG9.exe Startdate: 13/12/2024 Architecture: WINDOWS Score: 100 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Antivirus detection for URL or domain 2->60 62 6 other signatures 2->62 9 loaddll64.exe 1 2->9         started        process3 process4 11 rundll32.exe 25 9->11         started        14 rundll32.exe 28 9->14         started        17 cmd.exe 1 9->17         started        19 3 other processes 9->19 dnsIp5 72 System process connects to network (likely due to code injection or exploit) 11->72 74 Tries to steal Instant Messenger accounts or passwords 11->74 76 Tries to harvest and steal ftp login credentials 11->76 78 Tries to harvest and steal browser information (history, passwords, etc) 11->78 21 powershell.exe 11->21         started        24 netsh.exe 2 11->24         started        52 185.81.68.147, 49710, 49711, 49714 KLNOPT-ASFI Finland 14->52 54 185.81.68.148, 49712, 49713, 49715 KLNOPT-ASFI Finland 14->54 80 Uses netsh to modify the Windows network and firewall settings 14->80 82 Tries to harvest and steal WLAN passwords 14->82 26 powershell.exe 14->26         started        28 netsh.exe 2 14->28         started        30 rundll32.exe 20 17->30         started        signatures6 process7 signatures8 32 conhost.exe 21->32         started        34 conhost.exe 24->34         started        64 Loading BitLocker PowerShell Module 26->64 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        66 Tries to steal Instant Messenger accounts or passwords 30->66 68 Tries to harvest and steal WLAN passwords 30->68 40 powershell.exe 26 30->40         started        44 netsh.exe 2 30->44         started        process9 file10 50 C:\Users\user\...\246122658369_Desktop.zip, Zip 40->50 dropped 70 Loading BitLocker PowerShell Module 40->70 46 conhost.exe 40->46         started        48 conhost.exe 44->48         started        signatures11 process12
Threat name:
Win64.Infostealer.Tinba
Status:
Malicious
First seen:
2024-12-12 12:04:23 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey botnet:0f3be6 credential_access discovery execution persistence privilege_escalation spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Reads WinSCP keys stored on the system
Reads local data of messenger clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Blocklisted process makes network request
Malware Config
C2 Extraction:
http://185.81.68.147
http://185.81.68.148
Verdict:
Malicious
Tags:
dll amadey stealer Win.Keylogger.Zusy-10017136-0
YARA:
StealerDLL_Amadey StealerDLL_Amadey
Unpacked files
SH256 hash:
b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35
MD5 hash:
c6aabb27450f1a9939a417e86bf53217
SHA1 hash:
b8ef3bb7575139fd6997379415d7119e452b5fc4
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:StealerDLL_Amadey
Author:NDA0E
Description:Detects Amadey's Stealer DLL

File information


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

Web download

Amadey

Executable exe b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35

(this sample)

  
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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetSidSubAuthorityCount
ADVAPI32.dll::GetSidSubAuthority
DP_APIUses DP APICRYPT32.dll::CryptUnprotectData
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetSidIdentifierAuthority
SHELL_APIManipulates System ShellSHELL32.dll::SHFileOperationA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileMappingW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameA
ADVAPI32.dll::LookupAccountNameA
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptSetProperty
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExA

Comments