MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa3a339379ee6ce3bbd7730207cce6f1ad6f88e8c4f3ff7dc300cfe28da0a6c. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments 1

SHA256 hash: dfa3a339379ee6ce3bbd7730207cce6f1ad6f88e8c4f3ff7dc300cfe28da0a6c
SHA3-384 hash: e2f728a8670dc1f2b9563b23c84580c5f8b3ba6b097777a72cd04408d9b5e4a38adfbe6c7190f524e6aed1b388789bfe
SHA1 hash: 5dbc3e08ca03e7322c12851563b90ac014c2a03c
MD5 hash: 77033e1ede922aa0962e181122d8332a
humanhash: island-eighteen-pluto-mike
File name:77033e1ede922aa0962e181122d8332a
Download: download sample
Signature AgentTesla
File size:275'510 bytes
First seen:2023-05-08 00:11:20 UTC
Last seen:2023-05-13 22:52:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6BYXauFZMFb1MdZcybZEbKm8Itb98AE41pwTbnbwA:/YTruFmlvnLb98Q1OHwA
TLSH T19F44121067F1DA1FCD921371563F86002F68E4229E769B8F67141B4CB926BA1EA0DB73
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 96e8e0d4d4ccb2a4 (9 x Formbook, 6 x AveMariaRAT, 4 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
244
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77033e1ede922aa0962e181122d8332a
Verdict:
Malicious activity
Analysis date:
2023-05-08 00:12:22 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 file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos 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
Installs a global keyboard hook
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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 NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2023-05-05 13:45:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
dfa3a339379ee6ce3bbd7730207cce6f1ad6f88e8c4f3ff7dc300cfe28da0a6c
MD5 hash:
77033e1ede922aa0962e181122d8332a
SHA1 hash:
5dbc3e08ca03e7322c12851563b90ac014c2a03c
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

AgentTesla

Executable exe dfa3a339379ee6ce3bbd7730207cce6f1ad6f88e8c4f3ff7dc300cfe28da0a6c

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-05-08 00:11:21 UTC

url : hxxps://anincrush32.my.id/koriga2.1.exe