MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc
SHA3-384 hash: 5abbbe50933c16b50e5181be7b5603e4f56bf5092a7c5ced627b2307055b6ce6ca8bab5cabf4308fa42193e599425f79
SHA1 hash: c3c174846b45d12910a52523181874f641430285
MD5 hash: fa7927e0453a5d7480aec5bb9700ff48
humanhash: stream-hawaii-twenty-solar
File name:BLNVAIST-30-10-2023-008876678992-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:617'984 bytes
First seen:2023-11-03 18:38:02 UTC
Last seen:2023-11-03 20:14:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'829 x AgentTesla, 19'759 x Formbook, 12'295 x SnakeKeylogger)
ssdeep 12288:f481bjyye9vJSqzpvUhAGYKln9hnQym+NQ957RIomc9BJg58FOgOIHyrWw9k:f481bWyNGvK55l9pPm+Nyrd9BJbZ9Srb
Threatray 1'639 similar samples on MalwareBazaar
TLSH T1C3D41204BABD1B16D6BE87F155A0151C03BA79EBA08AE74C1CC180EF16B2F848F91F17
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
395
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65453e112546bd423f109532/reports/122c4b40-04ad-4d6f-a065-fa893ac20b51/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/876fac43-4be3-4bc8-a9e2-934a0ae0d3e2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336878
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2023-11-03 18:39:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zxltd4pe3fbqvsk5dax2g6myqgft2u5eq4cl6e5lh3uq3vgyg6a._file
Verdict:
malicious
Similar samples:
2ca4f5d8e19fc16c8b54be87f6a14a444ebdb29153ad7e7da19bed33b972e090
AgentTesla
4a41e0418949914320454262970d1c878a37b2c01b48a7e92047f536771bf6f9
AgentTesla
50b88683802c5f014b997ad7f1599837263ca270afd5e5dafe84e3e96da289d3
AgentTesla
ad01f89f8f0f94e6e16b4891bfded48a1debaa0397a9e43511a64170f6b32f55
AgentTesla
f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc
AgentTesla
fc5733c919c6b89fbd76fd032e2f671b0be88474c3416764641b1d7f8428e57e
AgentTesla
+ 1'629 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/231103-w93xjagd81/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
223b56ee55bf4eb34bad74815ce5f0d0b91740615423bfe2db1700a1d8d85d34
MD5 hash:
ed13c6d0e16821ad9c87ced40157a12f
SHA1 hash:
fa5b75db5ffe3831f659a9edc94381a62c455511
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/8d1ebf78-ac82-4c65-9f9a-cc5a53e79d4e/
Parent samples :
2ca4f5d8e19fc16c8b54be87f6a14a444ebdb29153ad7e7da19bed33b972e090
f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc
b8896f83c476a5ed9b16d119b9d585e7f38a736330dde02a791dc299ebb64606
e0366c03f423955a7895635a56e418c8982d421bb40b9649ad9e1f2b2f891be7
f192e4ce01f2b61f9af29d96d4a18e3f2d5d347ff1f5766d4c1f8df52e74b67b
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/8d1ebf78-ac82-4c65-9f9a-cc5a53e79d4e/
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
Link:
https://www.unpac.me/results/8d1ebf78-ac82-4c65-9f9a-cc5a53e79d4e/
SH256 hash:
88a507d18c98ff8196def4f086556c025b8c31358dfa371b6b674a47c6485930
MD5 hash:
eaeaf40e46ba91028753c0e618505297
SHA1 hash:
38af9b0ec468e44ecb6f4cb05935cea2f9cebb64
Link:
https://www.unpac.me/results/8d1ebf78-ac82-4c65-9f9a-cc5a53e79d4e/
SH256 hash:
f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc
MD5 hash:
fa7927e0453a5d7480aec5bb9700ff48
SHA1 hash:
c3c174846b45d12910a52523181874f641430285
Link:
https://www.unpac.me/results/8d1ebf78-ac82-4c65-9f9a-cc5a53e79d4e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f66eb98f8f26/report/overview.html
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/f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe f66eb98f8f26ca18564ae8c17d1bccc40c59ea9d243825f89d59f7486ea6c1bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments