MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5815161e3c8b1d5ef1d3279c5f77b5a5942231a62aed50c78bec977f93ec189. 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: 18


Intelligence 18 IOCs YARA 15 File information Comments

SHA256 hash: f5815161e3c8b1d5ef1d3279c5f77b5a5942231a62aed50c78bec977f93ec189
SHA3-384 hash: b1e38d2c1527d1e8f85257967f6e8e765a2c2f7d4b58a45ef61e5c8d24d940b1aaacd8c6251cf30852f37be9f3920c44
SHA1 hash: c68c0796da2667a94f4c239dac269b600180b6df
MD5 hash: 6c997bfed4d039656a75a8258b6ba3e9
humanhash: asparagus-oxygen-earth-winter
File name:rPurchaseOrder_NO89318393.exe
Download: download sample
Signature AgentTesla
File size:1'212'416 bytes
First seen:2024-02-20 12:31:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:1qDEvCTbMWu7rQYlBQcBiT6rprG8ateCC1Vdh1BxWNjd:1TvC/MTQYxsWR7atehd/b
TLSH T1F545BF027782F023FFA795324BD6E262967D6F150523A51F03A83C7ABD704609B7DA63
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon cca6a2a6a6a292c4 (3 x AgentTesla, 2 x BluStealer)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
367
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Purchase Order_NO89318393.eml
Verdict:
Malicious activity
Analysis date:
2024-02-19 10:09:13 UTC
Tags:
stealer agenttesla

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
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit bladabindi fingerprint keylogger lokibot lolbin masquerade packed shell32 threat
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
Binary is likely a compiled AutoIt script file
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-19 01:33:40 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Program crash
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
95b7a93f250835a091a2174aad4555004c625d69619709834fe152a36397b86f
MD5 hash:
cf9ecc73e0714dfc042310ce0546632c
SHA1 hash:
5dd19244f4dfc292157148df981a1343d4a5b80c
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_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
f5815161e3c8b1d5ef1d3279c5f77b5a5942231a62aed50c78bec977f93ec189
MD5 hash:
6c997bfed4d039656a75a8258b6ba3e9
SHA1 hash:
c68c0796da2667a94f4c239dac269b600180b6df
Detections:
AutoIT_Compiled
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Malspam

AgentTesla

Executable exe f5815161e3c8b1d5ef1d3279c5f77b5a5942231a62aed50c78bec977f93ec189

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments