MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0bb7da6a48846a171b8890339eea27e059e4c690b01e441f428ad4c4a68006ad. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 0bb7da6a48846a171b8890339eea27e059e4c690b01e441f428ad4c4a68006ad
SHA3-384 hash: 2dff45cbc117180ead7c82b856ec499ae4a6d0c1b8a75ee69edf21adfb26654ada24fdde93a2044e030b988db58d2679
SHA1 hash: 73d7013fd3e05e4b149b11d968c39a64f81dc2ed
MD5 hash: df12c8e82ddc0296578d26790b32b10a
humanhash: rugby-march-california-golf
File name:INVOICE_INV970343.PDF.exe
Download: download sample
Signature AgentTesla
File size:946'688 bytes
First seen:2020-08-14 08:11:23 UTC
Last seen:2020-08-14 09:02:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:pzvooQjIhVzSaT72lbz6f8/cUJ3JMn4sb3W55LTT8v:pT/3VuPbzoUJZMnHjanAv
Threatray 10'571 similar samples on MalwareBazaar
TLSH 6B159CB1B603444DF8710736846286041726FFD6AAA1CDCAF38BF6173E7F2AA517153A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 163.com
Sending IP: 193.169.253.153
From: Joy Guo <taishan0039@163.com>
Subject: Re:RE: Contract Proforma Invoice very urgent including air tranposrtation and insurance please.
Attachment: INVOICE_INV970343.PDF.arj (contains "INVOICE_INV970343.PDF.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Suspicious Double Extension
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 access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 266944 Sample: INVOICE_INV970343.PDF.exe Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Yara detected AgentTesla 2->53 55 Sigma detected: Suspicious Double Extension 2->55 57 3 other signatures 2->57 6 INVOICE_INV970343.PDF.exe 1 5 2->6         started        10 IHrUFa.exe 2->10         started        12 gggggggggggggggg.exe 3 2->12         started        14 2 other processes 2->14 process3 file4 37 C:\Users\user\...\gggggggggggggggg.exe, PE32 6->37 dropped 39 C:\...\gggggggggggggggg.exe:Zone.Identifier, ASCII 6->39 dropped 41 C:\Users\...\INVOICE_INV970343.PDF.exe.log, ASCII 6->41 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->73 75 Creates multiple autostart registry keys 6->75 16 INVOICE_INV970343.PDF.exe 2 5 6->16         started        21 INVOICE_INV970343.PDF.exe 6->21         started        77 Machine Learning detection for dropped file 10->77 79 Injects a PE file into a foreign processes 10->79 23 IHrUFa.exe 10->23         started        25 gggggggggggggggg.exe 2 12->25         started        27 gggggggggggggggg.exe 14->27         started        29 IHrUFa.exe 14->29         started        31 IHrUFa.exe 14->31         started        signatures5 process6 dnsIp7 43 smtp.yandex.ru 77.88.21.158, 49747, 49748, 49749 YANDEXRU Russian Federation 16->43 45 smtp.yandex.com 16->45 33 C:\Users\user\AppData\Roaming\...\IHrUFa.exe, PE32 16->33 dropped 35 C:\Users\user\...\IHrUFa.exe:Zone.Identifier, ASCII 16->35 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->59 61 Tries to steal Mail credentials (via file access) 16->61 63 Creates multiple autostart registry keys 16->63 47 smtp.yandex.com 23->47 65 Tries to harvest and steal ftp login credentials 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->69 49 smtp.yandex.com 25->49 file8 signatures9
Threat name:
ByteCode-MSIL.Hacktool.SharpDAPI
Status:
Malicious
First seen:
2020-08-14 08:13:07 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 0bb7da6a48846a171b8890339eea27e059e4c690b01e441f428ad4c4a68006ad

(this sample)

  
Delivery method
Distributed via e-mail attachment

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