MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8f4efff89b74b63c720cff52221a7e62dc648ac40d3b2f5ab271a1e5d78b7ab. 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 5 File information Comments

SHA256 hash: a8f4efff89b74b63c720cff52221a7e62dc648ac40d3b2f5ab271a1e5d78b7ab
SHA3-384 hash: b50bad19e79cfb9eab8c2df597d4c205addc88c125281c7558a9ccddbd10448165ff0b4d7c3a44edb833932949f65d2a
SHA1 hash: 45150f01da24eb9bb7083470c15fbf92dccafb7f
MD5 hash: 77e2a7eff380e6b378443b71247204b3
humanhash: harry-november-tennessee-pluto
File name:ΤΙΜΟΛΟΓΙΟ Doc_PRG211003417144356060.PDF.exe
Download: download sample
Signature AgentTesla
File size:632'320 bytes
First seen:2024-09-06 12:15:16 UTC
Last seen:2024-09-06 12:17:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (60 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:6sHzOUNUSB/o5LsI1uwajJ5yvv1l2kNtPmB/EaR/GrYjQ6v0Uw:tiUmSB/o5d1ubcv9GlkrYsH/
Threatray 3'503 similar samples on MalwareBazaar
TLSH T1F1D423A12181D84CE33263B9C4758EB04390B570DFD5BBBA87A0F76F6871381DD1A66B
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter NDA0E
Tags:AgentTesla exe FakePDF geo GRC

Intelligence


File Origin
# of uploads :
5
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
ΤΙΜΟΛΟΓΙΟ Doc_PRG211003417144356060.PDF.exe
Verdict:
Malicious activity
Analysis date:
2024-09-06 12:16:55 UTC
Tags:
evasion stealer agenttesla ftp exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 an HTTP GET request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
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:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found API chain indicative of sandbox detection
Found malware configuration
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension File Execution
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, 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 AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-09-02 03:58:56 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery keylogger spyware stealer trojan upx
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
AutoIT Executable
Suspicious use of SetThreadContext
Looks up external IP address via web service
UPX packed file
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f76de7e13236b109f94997a7e83436a3efa5f63726e392516ba364be5619ca22
MD5 hash:
810e7d4fc23dc3fe58dba275217d9281
SHA1 hash:
ff8a2eacbe7a18906b012b688969e171e5724c35
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 MALWARE_Win_AgentTeslaV2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
12f834fafb787396be54637440eacdfc250b547aec7085cf5034530a326a7328
MD5 hash:
e6d7b7e975db7e6cc57d86e7b11af65a
SHA1 hash:
4061250aafff2000e4979bbb4fb3289658aaceb6
Detections:
AutoIT_Compiled
SH256 hash:
a8f4efff89b74b63c720cff52221a7e62dc648ac40d3b2f5ab271a1e5d78b7ab
MD5 hash:
77e2a7eff380e6b378443b71247204b3
SHA1 hash:
45150f01da24eb9bb7083470c15fbf92dccafb7f
Malware family:
AgentTesla
Verdict:
Malicious
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:pe_detect_tls_callbacks
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_3
Author:Kevin Falcoz
Description:UPX 3.X
Rule name:upx_largefile
Author:k3nr9

File information


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

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::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

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