MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64f6234fcb7a9764e373e2b9ddec82b352f50c83622de9e76afebd45a0143080. 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: 7


Intelligence 7 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64f6234fcb7a9764e373e2b9ddec82b352f50c83622de9e76afebd45a0143080
SHA3-384 hash: 4e33a178773b840a1cd085476c4b7cf0b7179ab9e99e1344e99e7ac1d8fb98fce62164ebbe0f735b6eb34bee575d0fc0
SHA1 hash: cef4f2c8eee28af128bd6e9334d85fec39f72e0e
MD5 hash: b97cacc4dfc55ce2cdbeb25c6da0ff6c
humanhash: romeo-snake-jersey-item
File name:Bank confirmation.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'282'594 bytes
First seen:2025-02-03 08:14:02 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 24576:VYoCcnEvEuxOmaVLAF1aK9Ciiilso8y6C5wWDm0eZp2:VhDEvjxPoLAF1a0gjyl5wWjeO
TLSH T14355334F7A28779AF0FD28550CDC01E9367F91A0E9887790BA284777B81F64D6132B4E
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: "hui.yang@vaconn.com.cn" (likely spoofed)
Received: "from vaconn.com.cn (216-151-184-245.lon.as62651.net [216.151.184.245]) "
Date: "02 Feb 2025 20:16:22 -0800"
Subject: "Confirmation of bank details"
Attachment: "Bank confirmation.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
CH CH
File Archive Information

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

File name:Bank confirmation.exe
File size:1'565'840 bytes
SHA256 hash: 207836d40a534374a426bfb3eda7d988a77b2d8312b122644be1ff6659ecb59d
MD5 hash: 83eb2258efe00288e35466c56e62c332
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a07ad82dcee78dd81927ca
Tags:
smartassembly injection autorun packed
Gathering data
Verdict:
Suspicious
Labled as:
Mal/RarMal
Link:
https://www.hybrid-analysis.com/sample/64f6234fcb7a9764e373e2b9ddec82b352f50c83622de9e76afebd45a0143080
Result
Verdict:
UNKNOWN
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/64f6234fcb7a9764e373e2b9ddec82b352f50c83622de9e76afebd45a0143080/
Threat name:
ByteCode-MSIL.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2025-02-03 06:34:23 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mt3cgt6lpklwjy3t4k4533ecwnjpkdedmiw6tz3k726uliaugcaa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250203-lh8zcsxlev/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
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/64f6234fcb7a9764e373e2b9ddec82b352f50c83622de9e76afebd45a0143080

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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 64f6234fcb7a9764e373e2b9ddec82b352f50c83622de9e76afebd45a0143080

(this sample)

AgentTesla

Executable exe 207836d40a534374a426bfb3eda7d988a77b2d8312b122644be1ff6659ecb59d

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 207836d40a534374a426bfb3eda7d988a77b2d8312b122644be1ff6659ecb59d
  
Dropping
AgentTesla
  
Dropping
MD5 83eb2258efe00288e35466c56e62c332

Comments