MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aa7a2ede1dddb0b8f00df09cb4236ba56cc111177e60e5a0fcd6f816e977cbd. 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



AgentTesla


Vendor detections: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 1aa7a2ede1dddb0b8f00df09cb4236ba56cc111177e60e5a0fcd6f816e977cbd
SHA3-384 hash: fbc3afa175046eff6861d42b733841cd7395d1172828c55d5136a316fdce123642fd46c12966cdcfec753d8fc0c4054c
SHA1 hash: 9159999473bbf9e1800a2b4e26f11a4fc2b7aaf7
MD5 hash: 9af0f0ddfe52b1da752e9f2e83c85581
humanhash: california-helium-hotel-berlin
File name:rTransaction_ReceiptCopy.exe
Download: download sample
Signature AgentTesla
File size:1'145'344 bytes
First seen:2024-07-15 13:45:14 UTC
Last seen:2024-07-24 11:47:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:IAHnh+eWsN3skA4RV1Hom2KXMmHalXT/tH1YMQq7p5:Ph+ZkldoPK8YalXTp1HQq3
TLSH T19435BE0273D1C036FFABA2739B6AF20596BC79254133952F13981DB9BD701B1227E663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
425
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1aa7a2ede1dddb0b8f00df09cb4236ba56cc111177e60e5a0fcd6f816e977cbd.exe
Verdict:
Malicious activity
Analysis date:
2024-07-15 13:50:27 UTC
Tags:
evasion snake keylogger netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
Execution Generic Network Shellcodecrypter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
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.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
PureLog Stealer, Snake Keylogger, VIP Ke
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1473578 Sample: rTransaction_ReceiptCopy.exe Startdate: 15/07/2024 Architecture: WINDOWS Score: 100 26 reallyfreegeoip.org 2->26 28 api.telegram.org 2->28 30 3 other IPs or domains 2->30 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 46 10 other signatures 2->46 8 rTransaction_ReceiptCopy.exe 4 2->8         started        signatures3 42 Tries to detect the country of the analysis system (by using the IP) 26->42 44 Uses the Telegram API (likely for C&C communication) 28->44 process4 signatures5 48 Binary is likely a compiled AutoIt script file 8->48 50 Switches to a custom stack to bypass stack traces 8->50 11 rTransaction_ReceiptCopy.exe 2 8->11         started        14 RegSvcs.exe 8->14         started        process6 signatures7 52 Binary is likely a compiled AutoIt script file 11->52 54 Writes to foreign memory regions 11->54 56 Maps a DLL or memory area into another process 11->56 16 RegSvcs.exe 15 2 11->16         started        process8 dnsIp9 20 api.telegram.org 149.154.167.220, 443, 49747 TELEGRAMRU United Kingdom 16->20 22 reallyfreegeoip.org 188.114.96.3, 443, 49731, 49732 CLOUDFLARENETUS European Union 16->22 24 2 other IPs or domains 16->24 32 Tries to steal Mail credentials (via file / registry access) 16->32 34 Tries to harvest and steal browser information (history, passwords, etc) 16->34 signatures10
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2024-07-15 00:11:30 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0f616102625a4937431fd5bafe009e7eac8b52485826d9e4508e1676635e6389
MD5 hash:
fe6d9710299bdee7271d9d00860e766d
SHA1 hash:
b58e68c75d6be1921f91c7fee89a0877c370c4e9
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1 RedLine_Campaign_June2021
SH256 hash:
261fcd76fce23a4ec76d95e2167332d8d3dc2947e761014e23d722e928897965
MD5 hash:
54a0ac2de7a843318c06d3bca0c0479b
SHA1 hash:
1d9259bd36cfed8c1c84ca7ef6b053475de8278e
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1
SH256 hash:
1af784efda8d92c1ca788f4fad2ac117250fd76528deedf67acc5efb002dc14f
MD5 hash:
862d5361a7dbf10d9e45214237dbcb30
SHA1 hash:
cb9c1ae2c6712e50dc50786ea5eac56f815a698b
Detections:
win_samsam_auto MAL_Malware_Imphash_Mar23_1
SH256 hash:
1aa7a2ede1dddb0b8f00df09cb4236ba56cc111177e60e5a0fcd6f816e977cbd
MD5 hash:
9af0f0ddfe52b1da752e9f2e83c85581
SHA1 hash:
9159999473bbf9e1800a2b4e26f11a4fc2b7aaf7
Detections:
AutoIT_Compiled SUSP_Imphash_Mar23_3
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: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

File information


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

Malspam

AgentTesla

Executable exe 1aa7a2ede1dddb0b8f00df09cb4236ba56cc111177e60e5a0fcd6f816e977cbd

(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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