MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64. 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 3 File information Comments
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SHA256 hash: b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64
SHA3-384 hash: eec59682c3e45230825006851b4209609ad21d1b16ca9a5fca463cc34abe8239432686e042cb86d73ee4053e164a6822
SHA1 hash: c99d5bcfc3f1a43545105060f10e1671c8c1d4ef
MD5 hash: d5e48485ddb7e9d71d38020956df924e
humanhash: stream-robin-asparagus-batman
File name:Revised_Proforma Invoice.7z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:540'263 bytes
First seen:2023-03-14 00:51:21 UTC
Last seen:Never
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 12288:murH29pyhtHnT9MJM+TMw4+Xew3XQ+g6F++Akw9wIS:mX9pwHpoMsF3u6uPRS
TLSH T1BDB423F7FD5D00A64FFEBDAD56295B0B00161892020E6F7E176F891C99380ABFAD3446
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Reporter cocaman
Tags:7z AgentTesla INVOICE payment


Avatar
cocaman
Malicious email (T1566.001)
From: ""CS3" <cs3@astraco.com.my>" (likely spoofed)
Received: "from astraco.com.my (unknown [103.125.190.179]) "
Date: "13 Mar 2023 12:21:07 -0700"
Subject: "[EXTERNAL]: Confirm revised proforma invoice to proceed with payment ASAP"
Attachment: "Revised_Proforma Invoice.7z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
File Archive Information

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

File name:Revised_Proforma Invoice.exe
File size:822'784 bytes
SHA256 hash: b46224c411113f678ebc8248a753ea79291df2ba219bcef5c97cf0cdacfa16f3
MD5 hash: cea6e509bbcc22b0a60b513b3b4cd418
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.24184.7zHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/640fc53378e958de5349f199/reports/7dfd239a-8232-4f3e-b15e-0e997e2c0395/overview
Verdict:
Suspicious
Labled as:
Mal/Drod7zip
Link:
https://www.hybrid-analysis.com/sample/b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-14 00:52:08 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
12 of 39 (30.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xb2gnkgutb76jxs7uatb6v2vuhl4rnpbvbhxdvw7wxcshgxorzsa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230314-f7qanafg4y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
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/b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64

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:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:pe_imphash
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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.

Malspam

AgentTesla

7z b87466a8d4987fe4de5fa0261f5755a1d7c8b5e1a84f71d6dfb5c5239aee8e64

(this sample)

AgentTesla

Executable exe b46224c411113f678ebc8248a753ea79291df2ba219bcef5c97cf0cdacfa16f3

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b46224c411113f678ebc8248a753ea79291df2ba219bcef5c97cf0cdacfa16f3
  
Dropping
MD5 cea6e509bbcc22b0a60b513b3b4cd418

Comments