MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fb717f1c75879946b99fe0bd5fb67f6511197fe47bc8e45c5ee2faf15b54592. 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 7 File information Comments

SHA256 hash: 0fb717f1c75879946b99fe0bd5fb67f6511197fe47bc8e45c5ee2faf15b54592
SHA3-384 hash: a52f5b1b2a03091408d71364a3f0e827fb247dbca102f574ed421380b2c6e2f62060a0554a43e7bb14628840ab2a5767
SHA1 hash: 9e132e14268fbf0aeb3b0fc4a241e82fe2a4274f
MD5 hash: ba4af0bc7b72b999f37dcf1a16fb43ce
humanhash: connecticut-red-bluebird-tennis
File name:Docs Confirmation.exe
Download: download sample
Signature AgentTesla
File size:519'168 bytes
First seen:2023-09-26 12:42:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/ocMYAA7ctal+4HerrPpKLekBXpm05vcWw:GDrGe0oC
Threatray 5'825 similar samples on MalwareBazaar
TLSH T106B4AE2931EB161AF436E7B30BABFC4587FEF2E5523EF51B2E92064285E1C40DA02575
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Docs Confirmation.exe
Verdict:
Malicious activity
Analysis date:
2023-09-26 12:50:45 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
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
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
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1314517 Sample: Docs_Confirmation.exe Startdate: 26/09/2023 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 11 other signatures 2->53 7 Docs_Confirmation.exe 6 2->7         started        11 RPyoEoOCyKV.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\RPyoEoOCyKV.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmpF949.tmp, XML 7->35 dropped 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Writes to foreign memory regions 7->59 61 Injects a PE file into a foreign processes 7->61 13 RegSvcs.exe 15 2 7->13         started        17 RegSvcs.exe 7->17         started        19 schtasks.exe 1 7->19         started        27 2 other processes 7->27 63 Antivirus detection for dropped file 11->63 65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 21 RegSvcs.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        25 RegSvcs.exe 11->25         started        signatures5 process6 dnsIp7 37 mail.kbakr.com 162.241.27.28, 49784, 49786, 587 UNIFIEDLAYER-AS-1US United States 13->37 39 api4.ipify.org 173.231.16.77, 443, 49783, 49785 WEBNXUS United States 13->39 41 api.ipify.org 13->41 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->69 71 May check the online IP address of the machine 17->71 29 conhost.exe 19->29         started        43 192.168.2.1 unknown unknown 21->43 45 api.ipify.org 21->45 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->73 75 Tries to steal Mail credentials (via file / registry access) 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-09-26 04:24:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 37 (59.46%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
9d6fee7c195583ac81a42ef4dfa3c115523733108045717f8daa5ebf7f4f2bdc
MD5 hash:
259d11251fdd24b08becf1fce29f97e0
SHA1 hash:
db6090bc13d8a94365d1dd78263b81343d712971
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
SH256 hash:
0fb717f1c75879946b99fe0bd5fb67f6511197fe47bc8e45c5ee2faf15b54592
MD5 hash:
ba4af0bc7b72b999f37dcf1a16fb43ce
SHA1 hash:
9e132e14268fbf0aeb3b0fc4a241e82fe2a4274f
Malware family:
AgentTesla.v4
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:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
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.

Malspam

AgentTesla

Executable exe 0fb717f1c75879946b99fe0bd5fb67f6511197fe47bc8e45c5ee2faf15b54592

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments