MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4150a9254130775146e1973ba461ffacc7d51365da70db48becba50fbfc1e39d. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 4150a9254130775146e1973ba461ffacc7d51365da70db48becba50fbfc1e39d
SHA3-384 hash: 576b89ec97cafa794286e723731208e9c4a2c7441afc7845147dcb46140965ff0ea6df4f21f0643c472b24379eef6b55
SHA1 hash: 7195dc5aeda6f7f88e32e3aab2c696959c4e42a5
MD5 hash: 8670ff57444ced9cc643f4588e41a93e
humanhash: skylark-nitrogen-high-three
File name:FACTURA_.EXE
Download: download sample
Signature AgentTesla
File size:727'552 bytes
First seen:2024-03-27 10:57:31 UTC
Last seen:2024-03-27 12:38:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (60 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:AsHzOUNUSB/o5LsI1uwajJ5yvv1l2WiqfqVR7idUfRgtdvGmavCbyBW6/:TiUmSB/o5d1ubcvpjbdWgf2W6/
TLSH T1E9F42377F2919C84E11385F831D88B73052BDE705C7B15914BA0BF9B4CBDBA8464AEE2
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)
File icon (PE):PE icon
dhash icon eccc8c94d4d8e8f4 (21 x Formbook, 15 x AgentTesla, 5 x Loki)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
331
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4150a9254130775146e1973ba461ffacc7d51365da70db48becba50fbfc1e39d.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-27 11:12:50 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
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.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Strab
Status:
Malicious
First seen:
2024-03-26 03:47:21 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
AutoIT Executable
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
33d58a904a1d6b8dc4d9f5638744af2264240753c0980a0aef1f959b445e6864
MD5 hash:
527eb213ab208227e19f3030c3b2ef1c
SHA1 hash:
b5c6f557dfdf70e4e1de37ed2941a03d89d3b33e
Detections:
AutoIT_Compiled
SH256 hash:
22877754785dcdf8b8942f2fc958b03f7ce582c0d103d3755634df16f326e635
MD5 hash:
59613aad62df676c226a00615b493608
SHA1 hash:
73975e0f61cc20949a8b46e4d9cda228f59cfd80
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 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:
a54603486f0c3d71d20200076da25a9af0f609ed3df0486652c5975753687fd9
MD5 hash:
fe3d9efd39ec235e22db47de316826d8
SHA1 hash:
2137d2765acd9a2a15bc85ae739322d0dd67da98
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 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:
4150a9254130775146e1973ba461ffacc7d51365da70db48becba50fbfc1e39d
MD5 hash:
8670ff57444ced9cc643f4588e41a93e
SHA1 hash:
7195dc5aeda6f7f88e32e3aab2c696959c4e42a5
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu

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

Comments