MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa2bcbff57b3c111ea69b6f47cb4f39c4111b124ef97e3ee00347a175f67e93d. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: fa2bcbff57b3c111ea69b6f47cb4f39c4111b124ef97e3ee00347a175f67e93d
SHA3-384 hash: 82d5c12cb7b86b2f10ab49868f40736edbf640561018a530d29c073090fc59bb95f7da5a509e0023ccf9ed757c654706
SHA1 hash: 48eb77d24f1ea34c118363f68ce3d3c5309d46b5
MD5 hash: 0fd6789aa677f96432f04f4b81d4f99f
humanhash: speaker-iowa-pizza-quebec
File name:形式邀请6721_pdf.exe
Download: download sample
Signature AgentTesla
File size:988'160 bytes
First seen:2020-10-06 06:13:23 UTC
Last seen:2020-10-06 07:23:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:qNMvPOPgO/KZ0AbBj3aUBezvLSFP7cPgNVQT8YiOcNrj58M:qW3OYO/KZ0AbBjqgSmFjcPgjQYYiVp9
Threatray 336 similar samples on MalwareBazaar
TLSH 8425AE50E244CCA4FC1D9B7198368C341267BE3EEDB5A00E7E6DF2296BB32C15866D17
Reporter abuse_ch
Tags:AgentTesla CHN exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: egytrac.net
Sending IP: 45.137.22.108
From: Andy (尹家文) Wan <eelghayesh@egytrac.net>
Subject: 回复:回复:Proforma invoice
Attachment: 形式邀请6721_pdf.gz (contains "形式邀请6721_pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 293658 Sample: #U5f62#U5f0f#U9080#U8bf7672... Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 26 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->26 28 Found malware configuration 2->28 30 Antivirus detection for dropped file 2->30 32 9 other signatures 2->32 7 #U5f62#U5f0f#U9080#U8bf76721_pdf.exe 7 2->7         started        process3 file4 18 C:\Users\user\AppData\...\rxkBQdhpvE.exe, PE32 7->18 dropped 20 C:\Users\...\rxkBQdhpvE.exe:Zone.Identifier, ASCII 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmpA069.tmp, XML 7->22 dropped 24 #U5f62#U5f0f#U9080#U8bf76721_pdf.exe.log, ASCII 7->24 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->34 36 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->36 38 Injects a PE file into a foreign processes 7->38 11 #U5f62#U5f0f#U9080#U8bf76721_pdf.exe 2 7->11         started        14 schtasks.exe 1 7->14         started        signatures5 process6 signatures7 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->40 42 Tries to steal Mail credentials (via file access) 11->42 44 Tries to harvest and steal ftp login credentials 11->44 46 Tries to harvest and steal browser information (history, passwords, etc) 11->46 16 conhost.exe 14->16         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-06 04:21:39 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
fa2bcbff57b3c111ea69b6f47cb4f39c4111b124ef97e3ee00347a175f67e93d
MD5 hash:
0fd6789aa677f96432f04f4b81d4f99f
SHA1 hash:
48eb77d24f1ea34c118363f68ce3d3c5309d46b5
SH256 hash:
a3f239a252408430fe270d0b3a09798e22fdf49a97d1e2abb58ca8bd6f7f1059
MD5 hash:
043fcf2c516228438631981884e37340
SHA1 hash:
5308c6ce07d1f1de228edc64f50f11d77ba16ff3
SH256 hash:
c53a4a1dd998eb99451580b8cedbea19426ee9973652270ef1469f0462a13b56
MD5 hash:
752bb06d92f2fe69ab4c869b4898355d
SHA1 hash:
cea875345cb1458f2644903dcfb17260d609a001
SH256 hash:
054659e04bc8fa452ae3ff30863df0eac29a0f23ca2780c019e6c3f606996378
MD5 hash:
6c025c95f0027da68c95a05b3251fcc5
SHA1 hash:
1d87eb4087acc7e6e565c4ea053bec4f0e4ec6e7
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
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: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 fa2bcbff57b3c111ea69b6f47cb4f39c4111b124ef97e3ee00347a175f67e93d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments