MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a9f3bff649e255673885bffc1808ad8a5400592407e41404ced1743b8763ee4. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a9f3bff649e255673885bffc1808ad8a5400592407e41404ced1743b8763ee4
SHA3-384 hash: 412ee0e3f0729fbfa8e256c935d1e9edcfcf9f38af9e40e72bf779fe911efc91d781bc81c03717250f4bd89927632385
SHA1 hash: c7bc5547c850c8c21079a802e9058f9fd1b83a56
MD5 hash: 6c53fc85e9ac65ba222d564a1bc31922
humanhash: uranus-four-fourteen-triple
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:654'336 bytes
First seen:2022-11-24 16:29:42 UTC
Last seen:2022-11-24 18:28:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:+SRmjI4BEpkABfUnx6sQqFuI/3xhS8Dfx0551WHG2gQVTVn:F/4skuUBQqFb3xrDfmgSUF
Threatray 22'586 similar samples on MalwareBazaar
TLSH T1A3D4E1217697AA52C37C4E35C1C2992483F1DA765233EF4A7FF8D1940D063D3AF86A4A
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence

File Origin
# of uploads :
2
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Dispatch Intimation.xls
Verdict:
Malicious activity
Analysis date:
2022-11-24 08:59:44 UTC
Tags:
macros exploit cve-2017-11882 loader agenttesla
Link:
https://app.any.run/tasks/a55f3017-1bf1-4a6b-8359-19d5a6f18aec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/338130/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24628.23177.20112.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637f9c0f090ea3f0493483b5/reports/a2d66c2a-265e-49f0-831c-87b8bd791759/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e3f9469c-42d4-4515-8d16-c43a86722f63
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120646
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 references suspicious native API functions
Injects a PE file into a foreign processes
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 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 / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753363 Sample: file.exe Startdate: 24/11/2022 Architecture: WINDOWS Score: 100 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected AgentTesla 2->32 34 6 other signatures 2->34 6 file.exe 3 2->6         started        process3 file4 20 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 6->20 dropped 36 Writes to foreign memory regions 6->36 38 Injects a PE file into a foreign processes 6->38 10 RegSvcs.exe 15 3 6->10         started        14 RegSvcs.exe 6->14         started        16 RegSvcs.exe 6->16         started        18 RegSvcs.exe 6->18         started        signatures5 process6 dnsIp7 22 host39.registrar-servers.com 68.65.122.214, 49697, 587 NAMECHEAP-NETUS United States 10->22 24 api.ipify.org.herokudns.com 54.91.59.199, 443, 49696 AMAZON-AESUS United States 10->24 26 api.ipify.org 10->26 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->40 42 Tries to steal Mail credentials (via file / registry access) 10->42 44 Tries to harvest and steal ftp login credentials 10->44 46 Tries to harvest and steal browser information (history, passwords, etc) 10->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->48 50 May check the online IP address of the machine 14->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->52 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a9f3bff649e255673885bffc1808ad8a5400592407e41404ced1743b8763ee4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 02:17:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hkptx73etysvm44ilp74daek3csuabmsib7ecqcm5uluhodwh3sa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
045ed7d677666a3036d34251e07f52281767c627818cf234524999951001c29f
AgentTesla
2f23aed523652830a5353e92574d75eb5759e676671bddd0e111f9ecff948d41
AgentTesla
4007a191bcf0d851a08b5d62c81bf2a011464c94b28bfcd477f839a5684563d8
AgentTesla
9eb4c567819158702a3e34623a7d043d48dd5e83628f2f18b46ddbf6a9c1cf43
AgentTesla
a058e4db6871ecf56adf444c908980dbfb1a6eddc2cb2eae86d86c6df6111c30
AgentTesla
aaf20b9370f24df82c97b0273f52e6bd40f90df8fb8911bb10a70d57a77e775e
AgentTesla
cf25bab7113e15292a6f44d5c643271abc9886a47dce5dd45efae4105b30ab87
AgentTesla
da26f30555398dc8af04b9e093f14fea0ad9e9a71c299a1bf5f447dd2886a5f8
AgentTesla
da3907286f538586573df79364298076e3e1605daadc7de588e57fe1544604df
AgentTesla
+ 22'576 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221124-tzs88sae6t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/553c0fda-fb3c-4b42-b676-f801f5cb49ca
Unpacked files
SH256 hash:
394eeee68b3e678d125a07d0c5f197e108db682421e7178656b11e04752a5a81
MD5 hash:
751b322e133d278c27fdfae206494120
SHA1 hash:
847b129da43fe5eaafbfac8a60101765da757e18
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/0dbdadc5-6145-4bce-ac5a-b5c5ff650051/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/0dbdadc5-6145-4bce-ac5a-b5c5ff650051/
SH256 hash:
dda83500e06bf94796d3e5f439bb3d0d13b44dd22ab00506f7ccff1b438d2129
MD5 hash:
a2de5da3fbf953040a3ad04c8ec6707c
SHA1 hash:
61eadb58e4d9d99b9cd8f5e7798f91b8a3f876fe
Link:
https://www.unpac.me/results/0dbdadc5-6145-4bce-ac5a-b5c5ff650051/
SH256 hash:
3a9f3bff649e255673885bffc1808ad8a5400592407e41404ced1743b8763ee4
MD5 hash:
6c53fc85e9ac65ba222d564a1bc31922
SHA1 hash:
c7bc5547c850c8c21079a802e9058f9fd1b83a56
Link:
https://www.unpac.me/results/0dbdadc5-6145-4bce-ac5a-b5c5ff650051/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a9f3bff649e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/3a9f3bff649e255673885bffc1808ad8a5400592407e41404ced1743b8763ee4

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.

Web download

AgentTesla

Executable exe 3a9f3bff649e255673885bffc1808ad8a5400592407e41404ced1743b8763ee4

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/338130/
  
URLhaus
https://urlhaus.abuse.ch/url/2414341/

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