MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9a4b3dd04bcd1272af8f79ac89061ee5b6a5ea98878ec36db1e419afafa9a47. 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: 9


Intelligence 9 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9a4b3dd04bcd1272af8f79ac89061ee5b6a5ea98878ec36db1e419afafa9a47
SHA3-384 hash: 3b38af546cd4b4c4a5a337282f39b6cfe9d24db3910c1940c1edb619d8924d99cb48c65e1fbdf5369049b31807698495
SHA1 hash: e73dd946351d09e5bf42bae4415407aba0eba6e7
MD5 hash: 4f98eaaee97a0f71461255306be7cb9d
humanhash: eleven-item-vermont-seventeen
File name:SHIPMENT DOCUMENT.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:541'848 bytes
First seen:2025-02-20 09:28:11 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:w1NAmIIXWulTSInPVwv8okz5VnY7Qzzex99nLfL:wRrmUzPXokg0zexLnLfL
TLSH T1FBB42325EDED0385AAD9D476DF4E95E8A8195800C3B7DBCE235837F4B0FA9E4C6449C0
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Kathy Donald <Estancgentradingou@outlook.com>" (likely spoofed)
Received: "from outlook.com (unknown [45.144.212.136]) "
Date: "20 Feb 2025 09:27:37 -0800"
Subject: "RE: SHIPMENT DOCUMENT"
Attachment: "SHIPMENT DOCUMENT.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:SHIPMENT DOCUMENT.exe
File size:1'037'312 bytes
SHA256 hash: fb4d247c79061e234d6659921626249598990adb9d0c7c1109a029812cbeaea5
MD5 hash: 99aae81b2685d1fcbe762a2403bbb780
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b6f496a0fd713c335c0a3f
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive fingerprint fingerprint keylogger lolbin masquerade microsoft_visual_cc obfuscated packed packed packer_detected regedit
Link:
https://www.filescan.io/uploads/67b7486962765a79bd9f9de1/reports/c30b4dd0-f680-4637-9e36-5533137435cf/overview
Verdict:
Malicious
Labled as:
Ransom.Wacatac
Link:
https://www.hybrid-analysis.com/sample/b9a4b3dd04bcd1272af8f79ac89061ee5b6a5ea98878ec36db1e419afafa9a47
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9a4b3dd04bcd1272af8f79ac89061ee5b6a5ea98878ec36db1e419afafa9a47/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-02-20 03:00:44 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgslhxiextisokxy66nmredb5znwuxvjrb4oynw3dzazv6x2tjdq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250220-mgqbassnhy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
AgentTesla
Agenttesla family
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/b9a4b3dd04bcd1272af8f79ac89061ee5b6a5ea98878ec36db1e419afafa9a47

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
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
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

AgentTesla

rar b9a4b3dd04bcd1272af8f79ac89061ee5b6a5ea98878ec36db1e419afafa9a47

(this sample)

AgentTesla

Executable exe fb4d247c79061e234d6659921626249598990adb9d0c7c1109a029812cbeaea5

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 fb4d247c79061e234d6659921626249598990adb9d0c7c1109a029812cbeaea5
  
Dropping
AgentTesla
  
Dropping
MD5 99aae81b2685d1fcbe762a2403bbb780

Comments