MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4a49ab94a3bc704c6eb3394df82ebae6e04dd139a765db41db66e65457b0673. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4a49ab94a3bc704c6eb3394df82ebae6e04dd139a765db41db66e65457b0673
SHA3-384 hash: efe959c0303da9e090f34811bddfbf563d718dad8915128bfa05136d825cbe083367baadd89b83b4a7ec551d65a4b84e
SHA1 hash: abeb646efcb893c29d5e26c01d3cc8b6013b6b22
MD5 hash: f27fed1c7cb331f04fdcfecedc899c7d
humanhash: maine-montana-october-venus
File name:GEA_5556789
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'415'680 bytes
First seen:2020-06-16 05:43:32 UTC
Last seen:2020-06-16 21:28:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:xAHnh+eWsN3skA4RV1Hom2KXMmHae+aBETf3MVltoh8eX2gbf9f2qRdj5:Ih+ZkldoPK8Yae+aBEAltohTXjNPH
Threatray 11'468 similar samples on MalwareBazaar
TLSH A665CE0273D1C036FFABA2739B6AB64546BC78254123852F13981DB9BD701B2277E763
Reporter abuse_ch
Tags:AgentTesla GEA_5556789


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pdlc34160.ciberserver.com
Sending IP: 176.221.34.160
From: Miss. Marie Palmero <opr6.ae@absaco.com>
Subject: DELIVERY ORDER
Attachment: GEA_5556789.zip (contains "GEA_5556789")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10609/
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Occamy
Create hunting rule
Status:
Malicious
First seen:
2020-06-16 05:45:06 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
29 of 31 (93.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wssjvokkhpdqjrxlgokn7axlvzxajxittj3f3na5wzxgkrl3azzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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9a2467d92dd6c5e322439643e05041f151b6bf6e9c8c410f96fe6ab969ea8882
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AgentTesla
+ 11'458 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/201109-76wrp75dmn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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

zip 4c9b2ac9186158cddca77ae58b415445491079f3721b1126f2f7d30a32913e80

AgentTesla

Executable exe b4a49ab94a3bc704c6eb3394df82ebae6e04dd139a765db41db66e65457b0673

(this sample)

  
Dropped by
MD5 890fd7baad5fcc9ff7e72e3aa39ae070
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4c9b2ac9186158cddca77ae58b415445491079f3721b1126f2f7d30a32913e80
Cape
Cape
https://www.capesandbox.com/analysis/10609/

Comments