MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9eef3caa6be71a2a745055198dd0243a792b8faf6314554e050c037733c7588. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments

SHA256 hash: b9eef3caa6be71a2a745055198dd0243a792b8faf6314554e050c037733c7588
SHA3-384 hash: 7a308240667c4805d5cb235eba7b7434b31807b5dd5259364b6cfa33e6802a176a173a02a400aae632af227d6db9632e
SHA1 hash: c4460d045f4fd72315284c985a52d4a8920be6d9
MD5 hash: 876093340f92ebe042899d26086ead26
humanhash: orange-potato-october-william
File name:жалбени нацрт резервне копије_docx.exe
Download: download sample
Signature AgentTesla
File size:304'130 bytes
First seen:2023-05-19 16:05:53 UTC
Last seen:2023-05-21 18:53:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6YcQZd6WoBZij9PY59lGcwGMrarVDxcKxXr7T/pKe4/NS5r:PY2/E+9gXGq9cKxnd
Threatray 3'543 similar samples on MalwareBazaar
TLSH T15454121526D4CA67FD970F36AEBEAB636F7D251E2434438B17102B2CBC46217881D36A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
248
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
жалбени нацрт резервне копије_docx.exe
Verdict:
Malicious activity
Analysis date:
2023-05-19 16:07:06 UTC
Tags:
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 file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
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 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)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-05-17 07:01:54 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 37 (72.97%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla payload
AgentTesla
Unpacked files
SH256 hash:
9dec2cce82495ad7f502d4d722a0aa648e42e16c340adf99f3fce126e6a5c7b2
MD5 hash:
12b7cda348625391eed4ec28381e0037
SHA1 hash:
f3119b3ccf0a689abca27f54fcc88888e5925f2c
SH256 hash:
9fe1851d78c64a9a21dad4043977e90cdb8f3d5ee31f7b3496d18f68aa28ba5f
MD5 hash:
42f59f84f79b76886fef2de835cf433a
SHA1 hash:
c76868b38b0b103b58d7c2ce3e2bf1e99f87e643
SH256 hash:
b9eef3caa6be71a2a745055198dd0243a792b8faf6314554e050c037733c7588
MD5 hash:
876093340f92ebe042899d26086ead26
SHA1 hash:
c4460d045f4fd72315284c985a52d4a8920be6d9
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Author:Elastic Security
Rule name:win_agent_tesla_ab4444e9
Author:Johannes Bader
Description:detects Agent Tesla
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe b9eef3caa6be71a2a745055198dd0243a792b8faf6314554e050c037733c7588

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments