MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb
SHA3-384 hash: 6e631e202a1ded6d20555d952d24bb652af6475bfc61cfa0bdbfc87fb5b0405306896a1b62f49af13d7f6dff8e0c36e9
SHA1 hash: 2bc285f3a8bd60f55bd659b360b1c77eab820b5e
MD5 hash: 21e603ea77b316cce2ec68a44cd735c7
humanhash: arizona-burger-red-kentucky
File name:OUTSTANDING TILL 03-01-2023.exe
Download: download sample
Signature AgentTesla
File size:965'632 bytes
First seen:2023-01-03 17:03:19 UTC
Last seen:2023-01-03 18:30:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ziWHxYV/jqmkMD2DExj6L+lMBebblLTMGa9EDL9y3r9FibYjIaCJVbDGo:ztHxYgExj6L+lMBebbRMCD7sjIxJDv
TLSH T1BE25093CC92E1F16D07E97304D09C42697F14D7E6E25EA285EF4E8CC1BE16B29B8116E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
OUTSTANDING TILL 03-01-2023.exe
Verdict:
Malicious activity
Analysis date:
2023-01-03 17:06:00 UTC
Tags:
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
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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 very large array initializations
.NET source code contains very large strings
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped 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
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 777417 Sample: OUTSTANDING TILL 03-01-2023.exe Startdate: 03/01/2023 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Yara detected AgentTesla 2->45 47 11 other signatures 2->47 7 CDNABzJvQ.exe 5 2->7         started        10 OUTSTANDING TILL 03-01-2023.exe 6 2->10         started        process3 file4 49 Multi AV Scanner detection for dropped file 7->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 May check the online IP address of the machine 7->53 57 2 other signatures 7->57 13 CDNABzJvQ.exe 14 3 7->13         started        17 schtasks.exe 1 7->17         started        27 C:\Users\user\AppData\Roaming\CDNABzJvQ.exe, PE32 10->27 dropped 29 C:\Users\user\AppData\Local\...\tmp2F03.tmp, XML 10->29 dropped 31 C:\...\OUTSTANDING TILL 03-01-2023.exe.log, ASCII 10->31 dropped 55 Injects a PE file into a foreign processes 10->55 19 OUTSTANDING TILL 03-01-2023.exe 15 3 10->19         started        21 schtasks.exe 1 10->21         started        signatures5 process6 dnsIp7 33 api.ipify.org 13->33 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->59 61 Tries to steal Mail credentials (via file / registry access) 13->61 63 Tries to harvest and steal ftp login credentials 13->63 65 Tries to harvest and steal browser information (history, passwords, etc) 13->65 23 conhost.exe 17->23         started        35 api4.ipify.org 64.185.227.156, 443, 49696, 49698 WEBNXUS United States 19->35 37 host39.registrar-servers.com 68.65.122.214, 49697, 49699, 587 NAMECHEAP-NETUS United States 19->37 39 api.ipify.org 19->39 25 conhost.exe 21->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-01-03 17:02:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
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
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:
3680c7bdd8d067397d44553b4265e3651e93386318160c1419d0ccd5fd1b0904
MD5 hash:
0bf4e86e77ba78617cf022c9cafda1c9
SHA1 hash:
d66bc2d12ae322e11d68813fb3625bdb95c91e96
SH256 hash:
b630f0314d1ef7e2ada51479bf2a2acf00e8bed918d46e7dbf25466a6e5faae3
MD5 hash:
2a245189240d2ed4a5a401e9cfc8aaf8
SHA1 hash:
97b879f151d43efa466ea1db0e7fcfa9d1af52ee
SH256 hash:
221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb
MD5 hash:
21e603ea77b316cce2ec68a44cd735c7
SHA1 hash:
2bc285f3a8bd60f55bd659b360b1c77eab820b5e
Malware family:
AgentTesla.v3
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Author:Elastic Security

File information


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

  
Delivery method
Other

Comments