MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd
SHA3-384 hash: 6a885af1eb7c7823fa9302a6a7fc6b5b3cd582a9c0ceae574b906ee1ceb68fe593f3001e073bf33806c7ce2ba0334d72
SHA1 hash: c992f71f07ff2c30ab6509b8eb5c66412aa162b1
MD5 hash: d90a52b0a4c0cfea696afd1c9aa4102b
humanhash: ink-fourteen-papa-muppet
File name:d90a52b0a4c0cfea696afd1c9aa4102b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:949'760 bytes
First seen:2023-03-20 11:20:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:3bvcmhVDQofe+Wutyerct4UNlJYzUR8Wh8NGNKB1tRMCMTl5x++3:bFW2t1wt4c3Yzwh8DMCSlnZ3
Threatray 3 similar samples on MalwareBazaar
TLSH T1D1157C9533B19073E99A05774534A49E1E39A10BB09BF33A7A273741A20067BB77EFD0
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.spjsv.ro:26

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d90a52b0a4c0cfea696afd1c9aa4102b.exe
Verdict:
Malicious activity
Analysis date:
2023-03-20 11:21:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/68fa79c8-9e98-49d6-ae07-9f292a9fe91a

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/375884/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo packed
Link:
https://www.filescan.io/uploads/641841a23b01ade53e6fa6ed/reports/66b9cd56-61fb-4c7d-aa6a-a2224c1dd0f9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd
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/f45edeb3-fa82-4449-9a28-235912b024e4
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad.spyw
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1197933
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 830837 Sample: 02OVGHpJ8z.exe Startdate: 20/03/2023 Architecture: WINDOWS Score: 92 39 Multi AV Scanner detection for submitted file 2->39 41 Machine Learning detection for sample 2->41 6 02OVGHpJ8z.exe 3 2->6         started        10 BKEDEaL.exe 2 2->10         started        12 BKEDEaL.exe 2 2->12         started        process3 file4 19 C:\Users\user\AppData\...\02OVGHpJ8z.exe.log, ASCII 6->19 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->45 14 02OVGHpJ8z.exe 17 16 6->14         started        47 Multi AV Scanner detection for dropped file 10->47 49 Machine Learning detection for dropped file 10->49 signatures5 process6 dnsIp7 25 64.185.227.155 WEBNXUS United States 14->25 27 209.197.3.8 HIGHWINDS3US United States 14->27 29 89.43.174.45 CHROOTBucharestROMANIAEURO Romania 14->29 21 C:\Users\user\AppData\Roaming\...\BKEDEaL.exe, PE32 14->21 dropped 23 C:\Users\user\...\BKEDEaL.exe:Zone.Identifier, ASCII 14->23 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file / registry access) 14->33 35 Tries to harvest and steal browser information (history, passwords, etc) 14->35 37 2 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-20 03:44:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jn4j2x2arrdr62cwox4unlfyvuc5pq5wmabx2erwplzpdzhifp6q._file
Verdict:
malicious
Similar samples:
2ae62a904a42345e91103d004336258dcade22cdbfba99374bc04f85fb960dae
AgentTesla
6fbcada3a3dcc462ba4848000d47ee4487632488cc2e5841af7516027649d6f7
AgentTesla
aea9f3a5b0b8c4666ab439cb138d073d3458da186b4e09c02c6e7c7c10f1ee91
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230320-nf1lbafb9t/
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
Adds Run key to start application
Looks up external IP address via web service
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:
ca9291b91d6067d9293aea63d9f1e04378bea3cd2248a7a82539096d3de954f5
MD5 hash:
6b18fe6007bb0bb62bb4404e161ebac3
SHA1 hash:
b2070d363e470c9f637ba7516fb2f57f91366566
Link:
https://www.unpac.me/results/148490f2-f916-47e1-a99e-69ad27473b2a/
SH256 hash:
c028aaa4467a8f523ab3727dc87f5619435c7d858b7854a60c7d56ebae2d984e
MD5 hash:
bfa3206e3afeb6f3b619d0562aa17d5f
SHA1 hash:
786dde5d34147fd2299147abb5559a930dc6a13e
Link:
https://www.unpac.me/results/148490f2-f916-47e1-a99e-69ad27473b2a/
SH256 hash:
539c888d298e3aaf80388ddb31042da73909789f083285ddedc44c52b1158836
MD5 hash:
2f5455536fa0b8213f71f7fe560337bd
SHA1 hash:
2f99f0de813b4d947cffdaedab3ce5542109207c
Link:
https://www.unpac.me/results/148490f2-f916-47e1-a99e-69ad27473b2a/
SH256 hash:
0a6a1f414f0342a48290c4f33818bc68b0a5a3540f107ccce686546a128adcd4
MD5 hash:
ea448283a4a0b991cdbbe412f829d4d2
SHA1 hash:
cc8c65a5f1e25320e496242991bcbc61030545c2
Link:
https://www.unpac.me/results/148490f2-f916-47e1-a99e-69ad27473b2a/
SH256 hash:
9e5fcea2d9f00b7dd2e6c8c46f09e86d1e5bbbdd8096f57dc374b9b14ec9a7cf
MD5 hash:
ec1ad2ead9a77e4a0f3655671d319805
SHA1 hash:
065fc764be15568704d1e07d1b477ba4671a8f14
Link:
https://www.unpac.me/results/148490f2-f916-47e1-a99e-69ad27473b2a/
SH256 hash:
4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd
MD5 hash:
d90a52b0a4c0cfea696afd1c9aa4102b
SHA1 hash:
c992f71f07ff2c30ab6509b8eb5c66412aa162b1
Link:
https://www.unpac.me/results/148490f2-f916-47e1-a99e-69ad27473b2a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd

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 4b789d5f408c471f685675f946acb8ad05d7c3b660037d12367af2f1e4e82bfd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2346138/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/375884/

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