MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81679bb2a1280098be160fd28e5481187466d2b73013782655d2ac342f6f58cf. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81679bb2a1280098be160fd28e5481187466d2b73013782655d2ac342f6f58cf
SHA3-384 hash: 99f03b12c8c72101b81571d809f0e93552b06ad2a10dc89843ff219ae040c3f82cb936b85fcb74484bd2fcd416876cf6
SHA1 hash: eefc2fbf78557e28749e6c2de2adfda7f9985d8b
MD5 hash: 985cf1498c20b3112b2dfebaea99a51a
humanhash: thirteen-early-artist-six
File name:4097508E2-2-1C358609BA01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:503'296 bytes
First seen:2020-10-16 12:41:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd0ccfffe29beda9bfd332e673d3d4c7 (3 x AgentTesla, 2 x Matiex, 1 x Formbook)
ssdeep 12288:UTN2Ol/ZLRazIklxK5M3UpF3OjXP6o7lUNTeKYn8q9n5DVyjzbYaL/ntUKYnN0x:UTN2Oh1PWkpMjX0YaTrYNW
TLSH 9DB4AF21F2489CF5E023153544F6F831046BBA7A2B2F484F2BA9376D8972792517BE4F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.57.209
From: emendez@farwestcorrosion.com
Subject: PURCHASE ORDER ( INVOICE) URGENT!!!
Attachment: 4097508E2-2-1C358609BA01.rar (contains "4097508E2-2-1C358609BA01.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71976/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/493616
Signature
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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: MSBuild connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81679bb2a1280098be160fd28e5481187466d2b73013782655d2ac342f6f58cf/
Threat name:
Win32.Hacktool.Mimikatz
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 06:18:32 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qftzxmvbfaajrpqwb7ji4vebdb2gnuvxgajxqjsv2kwdil3pldhq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/201016-q5gy3a5kls/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
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:
960d715918ca9d279409f672e53569110daefe62014de3bfc958d19b033391b7
MD5 hash:
3413035867cb3b3bc4e37f5736d525eb
SHA1 hash:
1e0eb9319c68799aaabc6a9d011c2adafe00eb0e
Link:
https://www.unpac.me/results/13d1dd9e-45cb-4663-bd32-b86a3d8c214f/
SH256 hash:
81679bb2a1280098be160fd28e5481187466d2b73013782655d2ac342f6f58cf
MD5 hash:
985cf1498c20b3112b2dfebaea99a51a
SHA1 hash:
eefc2fbf78557e28749e6c2de2adfda7f9985d8b
Link:
https://www.unpac.me/results/13d1dd9e-45cb-4663-bd32-b86a3d8c214f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81679bb2a1280098be160fd28e5481187466d2b73013782655d2ac342f6f58cf

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
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

zip ba021f2ec3f1607992e8e2cad71f24be3ef6ea6bd2f4837ca05b74f7bc1943ef

AgentTesla

Executable exe 81679bb2a1280098be160fd28e5481187466d2b73013782655d2ac342f6f58cf

(this sample)

  
Dropped by
MD5 c85a063341a32d63dc33e8f406194914
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71976/
  
Dropped by
SHA256 ba021f2ec3f1607992e8e2cad71f24be3ef6ea6bd2f4837ca05b74f7bc1943ef

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