MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95a8238b2958dc1c5a20051c6e8952ac1a68c359aa348b9e4506d9b7e0d4a55d. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: 95a8238b2958dc1c5a20051c6e8952ac1a68c359aa348b9e4506d9b7e0d4a55d
SHA3-384 hash: f2be0b842ca4dc41639c9ab6d8cefc9e9ae875de0a7960330e9ed4de79c6b552f198e1d79821b616be885186c7f5e3dc
SHA1 hash: a91c7137fccc1e04fb996a81323cd78222c859c5
MD5 hash: 2f223cf6183101dc6c8f855ee3e1d264
humanhash: ceiling-lion-india-triple
File name:dekont.exe
Download: download sample
Signature AgentTesla
File size:464'400 bytes
First seen:2023-01-20 09:09:13 UTC
Last seen:2023-01-26 06:17:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:GYzZZZZZZZZZZZZZZZZZZZZZZZZZZZZWpppppppppppppppppppdf/EzOLhkMLTI:GYzZZZZZZZZZZZZZZZZZZZZZZZZZZZZd
Threatray 23'050 similar samples on MalwareBazaar
TLSH T1FCA48B3863F0A392C07906B217E6C4756EE06F24CDE1D707E2B46614B752DD93E8AA1F
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 74e4f4d4d4d8ccd4 (1 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
194
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-01-20 09:12:30 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 process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for the window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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:
babar 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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Contains functionality to detect sleep reduction / modifications
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 788129 Sample: dekont.exe Startdate: 20/01/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 4 other signatures 2->55 7 dekont.exe 19 2->7         started        10 fklachdgbakd.exe 1 2->10         started        13 fklachdgbakd.exe 1 2->13         started        process3 file4 33 C:\Users\user\AppData\Local\...\bjrbknice.exe, PE32 7->33 dropped 15 bjrbknice.exe 1 3 7->15         started        57 Multi AV Scanner detection for dropped file 10->57 59 Contains functionality to detect sleep reduction / modifications 10->59 19 WerFault.exe 4 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10 13->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\...\fklachdgbakd.exe, PE32 15->35 dropped 41 Multi AV Scanner detection for dropped file 15->41 43 Detected unpacking (changes PE section rights) 15->43 45 Detected unpacking (overwrites its own PE header) 15->45 47 5 other signatures 15->47 27 bjrbknice.exe 17 4 15->27         started        31 conhost.exe 15->31         started        signatures8 process9 dnsIp10 37 api.telegram.org 149.154.167.220, 443, 49698 TELEGRAMRU United Kingdom 27->37 39 192.168.2.1 unknown unknown 27->39 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->61 63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Creates multiple autostart registry keys 27->65 67 2 other signatures 27->67 signatures11
Threat name:
Win32.Trojan.GenShell
Status:
Malicious
First seen:
2023-01-20 10:08:35 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
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
Executes dropped EXE
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5932499274:AAFVgY_mSAbCu0fXfBWMuUmyk56JtTf6--Q/
Unpacked files
SH256 hash:
885b9d63d8849c7fac19b47a827acf8ce4919a0bfaaace5a0868959cbfebab63
MD5 hash:
36daae84fbaca3639697d81546a53488
SHA1 hash:
8e49a14cf1dff140d4536b3356e5a0b3e61b6fed
SH256 hash:
97dac93541ca61e3b9750ad6089e28cd717dbe4f046cd013a0a5ab22cc8a9a66
MD5 hash:
45616d5ca2f2e19433e7c99b1a3b40dc
SHA1 hash:
4873b9ef327be8f72f2809168b84d540f42834a0
SH256 hash:
8067b78ede3475a52b852fc561eee64cc194ee6e1a7af97969d109846cf7404b
MD5 hash:
2252fab4a9ddb8f2e41964c0977b886c
SHA1 hash:
a1588265db127d0e0b05d36972e3d52673bd21fe
SH256 hash:
95a8238b2958dc1c5a20051c6e8952ac1a68c359aa348b9e4506d9b7e0d4a55d
MD5 hash:
2f223cf6183101dc6c8f855ee3e1d264
SHA1 hash:
a91c7137fccc1e04fb996a81323cd78222c859c5
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
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

File information


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

Malspam

AgentTesla

Executable exe 95a8238b2958dc1c5a20051c6e8952ac1a68c359aa348b9e4506d9b7e0d4a55d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments