MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3007600575cca1f62f21c4698361fd33be002ea61c64ea82ca03afee1e0081b. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3007600575cca1f62f21c4698361fd33be002ea61c64ea82ca03afee1e0081b
SHA3-384 hash: 62c94213a45d69f5c24dc4ea55c2303b3e9c2fc7f6500c81568a344cc0b41250d14889e7e2a33442f5b2db368b97f2be
SHA1 hash: 57aefb8c575b104417fcde52abdd44b797ea0ab5
MD5 hash: 249377ee8b5b4be7b650082422db87d2
humanhash: hawaii-oscar-king-harry
File name:PO_10032885_Mahler-Besse_2_21_2020_1204OscillatingVC.xlsm
Download: download sample
Signature AgentTesla
Create hunting rule
File size:142'615 bytes
First seen:2020-07-24 10:45:38 UTC
Last seen:2020-07-26 11:32:40 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:Vaq75/5BOG4kgGkmlWADTvu4+P697QV/P3v/Oh06aACV:Vaql/qGNJkmMGu697QV/Pf2m6aACV
TLSH 0ED3F282B75AF1CFE5D287B1A083A7E733D696989D05C956A043F27C2C74C231B1BE85
Reporter abuse_ch
Tags:AgentTesla xlsm


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.etudiant.univ-mayotte.fr
Sending IP: 193.54.33.153
From: Elise VILLE <e.ville@mahler-beslse.com>
Subject: PO_10032885_Mahler-Besse_2_21_2020_1204
Attachment: PO_10032885_Mahler-Besse_2_21_2020_1204OscillatingVC.xlsm

AgentTesla payload URL:
http://www.agarca.donaines.pt//templates/beez3/VazBBV.exe

AgentTesla SMTP exfil server:
mail.fsicibd.com:587

Intelligence

File Origin
# of uploads :
3
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.AutoTriggerEvilMrFantasyM1.20200716.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.AutoTriggerEvilMrFantasyM3.20200721.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Running batch commands by exploiting the app vulnerability
Launching a file downloaded from the Internet
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/397260
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250859 Sample: PO_10032885_Mahler-Besse_2_... Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->70 72 9 other signatures 2->72 9 EXCEL.EXE 503 60 2->9         started        13 BisquitBANK.exe 2->13         started        15 BisquitBANK.exe 2->15         started        process3 file4 44 ~$PO_10032885_Mahl...4OscillatingVC.xlsm, data 9->44 dropped 82 Document exploit detected (process start blacklist hit) 9->82 17 cmd.exe 1 9->17         started        20 conhost.exe 13->20         started        22 conhost.exe 15->22         started        signatures5 process6 signatures7 62 Suspicious powershell command line found 17->62 64 Tries to download and execute files (via powershell) 17->64 24 powershell.exe 15 17 17->24         started        29 conhost.exe 17->29         started        process8 dnsIp9 52 www.agarca.donaines.pt 188.93.230.35, 49726, 80 CLARANET-ASClaraNETLTDGB Portugal 24->52 46 C:\Users\user\AppData\Local\Temp\OneWe.exe, PE32 24->46 dropped 84 Powershell drops PE file 24->84 31 OneWe.exe 3 24->31         started        file10 signatures11 process12 file13 48 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 31->48 dropped 54 Multi AV Scanner detection for dropped file 31->54 56 Machine Learning detection for dropped file 31->56 58 Writes to foreign memory regions 31->58 60 2 other signatures 31->60 35 AddInProcess32.exe 2 12 31->35         started        40 WerFault.exe 31->40         started        signatures14 process15 dnsIp16 50 mail.fsicibd.com 203.188.252.35, 49729, 49730, 587 ISN-AS-APISNInternetServiceProviderBD Bangladesh 35->50 42 C:\Users\user\AppData\...\BisquitBANK.exe, PE32 35->42 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 35->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->76 78 Tries to steal Mail credentials (via file access) 35->78 80 6 other signatures 35->80 file17 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f3007600575cca1f62f21c4698361fd33be002ea61c64ea82ca03afee1e0081b/
Threat name:
Script-Macro.Downloader.Amphitryon
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 10:47:04 UTC
AV detection:
11 of 48 (22.92%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mahmacxltfb6yxsdrdjqnq72m56aaxkmhde5kbmua5p5ypabanq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/200724-3rgq5yq65n/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Office loads VBA resources, possible macro or embedded object present
Program crash
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Executes dropped EXE
Blacklisted process makes network request
Process spawned unexpected child process
Process spawned unexpected child process
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/f3007600575cca1f62f21c4698361fd33be002ea61c64ea82ca03afee1e0081b

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

Excel file xlsm f3007600575cca1f62f21c4698361fd33be002ea61c64ea82ca03afee1e0081b

(this sample)

AgentTesla

Executable exe f71aec94caa4c0cd0aecd0efdc1e66b55ad85c13f4d125914fe14804e1bf54f5

  
URLhaus
https://urlhaus.abuse.ch/url/418754/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f71aec94caa4c0cd0aecd0efdc1e66b55ad85c13f4d125914fe14804e1bf54f5
  
Dropping
MD5 6728e83545ea749e33ad6e83f90b6ba6

Comments