MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26
SHA3-384 hash: c322c4bbb8611dcfe36efd5bcdf3002b18ef2a1f82613efcdc41a31d937c21e5fab52f2c7fe30d51ebe205570f3e24c4
SHA1 hash: 1977c0dbee721ebe1fb4c0424b39633995de3ed1
MD5 hash: c45abef209a00f25542fcf54c75fb900
humanhash: neptune-texas-asparagus-nevada
File name:URGENT REQUEST.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:15'952 bytes
First seen:2023-02-01 08:10:04 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 384:aQSQeOKzK369ok6uD/cP1DN6a0uzEKssY/HuZLra:aHHOKzK369ok6uEP1DXEkNra
TLSH T1F462D008C1B74755C039AF3838E4AEA2360AC8FEE167567EC61A5420CA4C7DF60D4FB6
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Chris" <sales@elite-instrument.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.186]) "
Date: "31 Jan 2023 10:44:27 +0100"
Subject: "RE: URGENT REQUEST"
Attachment: "URGENT REQUEST.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
File Archive Information

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

File name:URGENT REQUEST.exe
File size:37'888 bytes
SHA256 hash: 36ce3b9ec0b50fcc219b1f1272363b8d3542b4afc3229e0251f58d9b27fb74e1
MD5 hash: 51ff1dda770acf3947252cbecfe11182
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3147.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.DownLoaderNET.542.9485.20053.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
kryptocibule snake
Link:
https://www.filescan.io/uploads/63da1e9689bd67c10fdbf79e/reports/b8e49776-64b9-4e44-8d29-8d46f23aead9/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26
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/31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-01-31 09:33:02 UTC
File Type:
Binary (Archive)
Extracted files:
6
AV detection:
17 of 39 (43.59%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=geidue453ep4x3c6j5nwmojgalpjnhn7xiwf5kik27n33bi5t4ta._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection
Link:
https://tria.ge/reports/230201-kvfynsee3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_Archive_Phishing_Attachment_Characteristics_Jun22_1
Create hunting rule
Author:Florian Roth
Description:Detects characteristics of suspicious file names or double extensions often found in phishing mail attachments
Reference:https://twitter.com/0xtoxin/status/1540524891623014400?s=12&t=IQ0OgChk8tAIdTHaPxh0Vg

File information

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

Malspam

AgentTesla

zip 31103a139dd91fcbec5e4f5b66392602de969dbfba2c5ea90ad7dbbd851d9f26

(this sample)

AgentTesla

Executable exe 36ce3b9ec0b50fcc219b1f1272363b8d3542b4afc3229e0251f58d9b27fb74e1

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 36ce3b9ec0b50fcc219b1f1272363b8d3542b4afc3229e0251f58d9b27fb74e1
  
Dropping
AgentTesla

Comments