MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a73a6ad6bba38d4ecb83ec7d4c3869afa3888597f362033dd50e9c4e0ca37835. 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



RedLineStealer


Vendor detections: 18


Intelligence 18 IOCs YARA 10 File information Comments

SHA256 hash: a73a6ad6bba38d4ecb83ec7d4c3869afa3888597f362033dd50e9c4e0ca37835
SHA3-384 hash: 47d31b402d7887b39f4ec2230632b144f2f960e9b7c874a4cf82e933252c988171661b8e5d8d9e89165e4a2ac213be12
SHA1 hash: cdcae06501413499e97d3d3deb16e9e479be7e35
MD5 hash: c522d9d33449816046f9edd5f714a9ab
humanhash: wyoming-johnny-music-venus
File name:Mv Star Suzanna-2.pdf.scr
Download: download sample
Signature RedLineStealer
File size:1'168'896 bytes
First seen:2025-04-03 03:43:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:wu6J33O0c+JY5UZ+XC0kGso6FajvsU0qI691fzMIZWY:6u0c++OCvkGs9FajEUU69RMlY
TLSH T18745CF2273DDC360CB769173BF69B7016EBF78614630B85B2F980D7DA860161262D7A3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe RedLineStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
564
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
MvStarSuzanna-2.pdf.scr.exe
Verdict:
Malicious activity
Analysis date:
2025-04-03 03:51:16 UTC
Tags:
stealer evasion ultravnc rmm-tool agenttesla exfiltration ftp netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
underscore autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint fingerprint keylogger lolbin masquerade microsoft_visual_cc netsh packed packed packer_detected schtasks wmic
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-04-03 03:44:10 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_036 agenttesla unc_loader_001
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
trojan external_ip_lookup
YARA:
SUSP_Imphash_Mar23_3
Unpacked files
SH256 hash:
a73a6ad6bba38d4ecb83ec7d4c3869afa3888597f362033dd50e9c4e0ca37835
MD5 hash:
c522d9d33449816046f9edd5f714a9ab
SHA1 hash:
cdcae06501413499e97d3d3deb16e9e479be7e35
SH256 hash:
b4beb8bd0504d3f88ad8eaf4c7999e4d04715a6ecb5c42dffbe6f45e3e979b69
MD5 hash:
de7fec79171144267cde9692d83f59e1
SHA1 hash:
df4e35bfa9023750286e1cf9de6f9c348849f8da
Detections:
win_samsam_auto SUSP_OBF_NET_Reactor_Native_Stub_Jan24 MAL_Malware_Imphash_Mar23_1 MetaStealer_NET_Reactor_packer MALWARE_Win_RedLine
SH256 hash:
d754fd3e33081ad1a0c1dc680e6edf6e9a2de6dc90c59ce9006f4b37a807c5b5
MD5 hash:
0ff62473c0b44ce8cdb51ab84938283a
SHA1 hash:
b3e7caee55212d005c20ce14599f71d212968f74
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID MALWARE_Win_AgentTeslaV2
SH256 hash:
fb0b75f628574693a9e04b35e8f37ac8f9673e11343f11037740aa9b8151179c
MD5 hash:
f8eb12c5834504a21a4538464b6c0380
SHA1 hash:
ca49c5a25e5adb4272bc18271320e708a7be9a6f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 RedLine_Campaign_June2021 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID MALWARE_Win_AgentTeslaV2
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:NET
Author:malware-lu
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_samsam_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

RedLineStealer

Executable exe a73a6ad6bba38d4ecb83ec7d4c3869afa3888597f362033dd50e9c4e0ca37835

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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