MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f5d6d6aa80e205d5eccf0e70c7833bb571944d320bd11ec10998a8f36f7c61d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f5d6d6aa80e205d5eccf0e70c7833bb571944d320bd11ec10998a8f36f7c61d
SHA3-384 hash: 093bb5b9cde101555fd614126b1ddde8f5d5b28d29df27e478131dc03274bc46bb0466a16caf38af56334724adf8c186
SHA1 hash: 0503fb5d31ba1e43bf6a3f4a4802ba9aa3c0028d
MD5 hash: fc887a6d9ea84591a44ba46d59c48390
humanhash: north-lima-river-music
File name:yr7xI3AzPv3TQyn.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:758'784 bytes
First seen:2021-06-08 12:46:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:M37ZBUVYtXiZM1IljeUPxEwjYvE7aE1r5CmL0chY5rhjZ1RZDI/FhwGM:yBUVYtXiZSSeUPqwjYvE791r5Cm4c+lR
Threatray 19 similar samples on MalwareBazaar
TLSH C8F4126227946F1BD23E18B50832601216F6E8067779E5EE3E8871CE3AF2F454744F6B
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/165288/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/798768
Signature
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 431164 Sample: yr7xI3AzPv3TQyn.exe Startdate: 08/06/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 yr7xI3AzPv3TQyn.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\VnFJehXi.exe, PE32 7->21 dropped 23 C:\Users\...\VnFJehXi.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp90FF.tmp, XML 7->25 dropped 27 C:\Users\user\...\yr7xI3AzPv3TQyn.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Contains functionality to register a low level keyboard hook 7->43 45 3 other signatures 7->45 11 yr7xI3AzPv3TQyn.exe 2 7->11         started        15 BackgroundTransferHost.exe 13 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 49735, 587 NAMECHEAP-NETUS United States 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 57 2 other signatures 11->57 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->55 19 conhost.exe 17->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f5d6d6aa80e205d5eccf0e70c7833bb571944d320bd11ec10998a8f36f7c61d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-08 12:46:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
63
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
1ff80cfa807700323750e18e0027ac5bff1c4f34080e27850856bedaceb13311
AgentTesla
36e187620245cb5b75301fdf06d7d3484cb6af18275f9fc268a108ebf5b1cd0a
AgentTesla
3e7f325b1d968158242e6d3dd0a9239abb95ccd6765aedad31d914b49142de88
AgentTesla
5c25ad267970d4615a31d208594a110f377433961792894913115849473f3973
AgentTesla
611c9d00fcac40b8806bea2ecc79bfc842769c360dca52b6d648e94be3ea4525
AgentTesla
7c9c7c959b70ad4269443b3e215ad05fc74d5f7e4a731211d4e1066ffc062e23
AgentTesla
859af6ec77ef0c8097877a1bcf94eaf8bcc03f8b04617abe9291ddde194aaffd
AgentTesla
9957a5950964f9e5ffbd40cafd37164ac939918f02419efbc2479221abe1f7d9
AgentTesla
a7560f0b317117d559a68de0df3186871de0bf940fcf4356ec56e697c65335a9
AgentTesla
e9a75455976eccde50b6ce4c5bdf9c938e596764a5e440ec5550f36b4e24f1fb
AgentTesla
+ 9 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210608-rpc67g3f8s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
Link:
https://www.unpac.me/results/18b4622d-eba0-4ae0-bb66-1105ab7550e0/
SH256 hash:
1f5d6d6aa80e205d5eccf0e70c7833bb571944d320bd11ec10998a8f36f7c61d
MD5 hash:
fc887a6d9ea84591a44ba46d59c48390
SHA1 hash:
0503fb5d31ba1e43bf6a3f4a4802ba9aa3c0028d
Link:
https://www.unpac.me/results/18b4622d-eba0-4ae0-bb66-1105ab7550e0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1f5d6d6aa80e205d5eccf0e70c7833bb571944d320bd11ec10998a8f36f7c61d

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/165288/

Comments