MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf355b1a895bb65ab02c1b446ccb192b6d44dc337dd6bdfca97fdb0c2751f28c. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf355b1a895bb65ab02c1b446ccb192b6d44dc337dd6bdfca97fdb0c2751f28c
SHA3-384 hash: 1bd187a53f68102ea88435e641cb7bcf9c0d123ec64afb5709204cb622d07fac38304ffb01f95630ce3d0f8a93e98097
SHA1 hash: 11dbadd65ddb030a9810e7097e8bde8057fe9f04
MD5 hash: 164731fa1305f4361d2b031b065a0bcd
humanhash: william-green-connecticut-arkansas
File name:164731fa1305f4361d2b031b065a0bcd.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:894'976 bytes
First seen:2022-01-22 07:50:09 UTC
Last seen:2022-01-22 10:02:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ddCS5QyXMFpQ9vu50rfYAWP0rISOg0oq6+i9vYF+2IgYrcXM4AMp9aI4eIXYcpjo:d05pQRI0rwAVrK6+i9vYF
TLSH T17E1508AD325071EFC867C972CEA81DA4EB61746B531BC207901312AEAE4DA97DF141F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
milax.tk:587

AgentTesla SMTP exfil email address:
exclusive@zytrox.cf

Intelligence

File Origin
# of uploads :
2
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
exclusive21 3.doc
Verdict:
Malicious activity
Analysis date:
2022-01-22 05:53:26 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/302d2d9a-59d6-4eca-aa65-7643daac360e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221604/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Androm.mc.2547.26716.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
csi.exe ftp.exe obfuscated packed remote.exe
Link:
https://www.filescan.io/uploads/61ebb767f81da814af988d2f/reports/936cff43-8129-453e-a334-e210808c3a2b/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/59222467-44f3-40a4-91f0-564b6d2c5459
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925586
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Found malware configuration
Machine Learning detection for sample
Modifies the hosts 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)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf355b1a895bb65ab02c1b446ccb192b6d44dc337dd6bdfca97fdb0c2751f28c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-22 06:47:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x42vwgujlo3fvmbmdncgzsyzfnwujxbtpxll37fjp7nqyj2r6kga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220122-jptrxaabf8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
25e9ae5bc47cf212d3fbeebd182ffb86e72d8491698e2b80490e0fcc219bb952
MD5 hash:
31ebad7e571d26f0760a544915cb1c2c
SHA1 hash:
a7ccac90221eed5a270965d9809a684ff7cc2e9e
Link:
https://www.unpac.me/results/e0734c2d-f43d-4df2-a13e-2e0661465ef0/
SH256 hash:
de4642e01cf0fec7161eef3eb49619b8efe837f440c589b6944019f1d38db0f0
MD5 hash:
ca027fceef62e1d20a762c764193a914
SHA1 hash:
9af2af232389b30d98b0923f41dcfd5d9a48413d
Link:
https://www.unpac.me/results/e0734c2d-f43d-4df2-a13e-2e0661465ef0/
SH256 hash:
b094430d82ea5b31510b25ffadd0810ebb8b17094319fd29e1968f93b2319cd3
MD5 hash:
ed3630f32582fef7eb4dd7a306beffd3
SHA1 hash:
87d6bb24ba7be0680d0056985af0cfcc8987bc6e
Link:
https://www.unpac.me/results/e0734c2d-f43d-4df2-a13e-2e0661465ef0/
SH256 hash:
bf355b1a895bb65ab02c1b446ccb192b6d44dc337dd6bdfca97fdb0c2751f28c
MD5 hash:
164731fa1305f4361d2b031b065a0bcd
SHA1 hash:
11dbadd65ddb030a9810e7097e8bde8057fe9f04
Link:
https://www.unpac.me/results/e0734c2d-f43d-4df2-a13e-2e0661465ef0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bf355b1a895bb65ab02c1b446ccb192b6d44dc337dd6bdfca97fdb0c2751f28c

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Web download

AgentTesla

Executable exe bf355b1a895bb65ab02c1b446ccb192b6d44dc337dd6bdfca97fdb0c2751f28c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1989811/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/221604/

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