MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1
SHA3-384 hash: 55387469681201a546796f2a331025192bb6d50849f81fc5a8a3de0c228704070005fb689e03b8a80a6518ea3de70e4d
SHA1 hash: 8b6a65ee73902b11878046de7d08f417a01cc963
MD5 hash: 7bbe5ca30616d677f50972e71ab0e1e1
humanhash: football-three-rugby-autumn
File name:RFQ#R2100131410.pdf.tbz
Download: download sample
Signature AgentTesla
Create hunting rule
File size:647'271 bytes
First seen:2023-06-09 07:43:54 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:/PfaVFSmjyYUhMjO85CUA00+tlGUi+l31hEGVuWbmRmvFoHQVSzqt2K3a9I8X:faVFSYUCjFA0/bGURd1hHVVbmIUQVHL0
TLSH T1DFD423C5F5161C014D897F89F3DD42937676B44B92A0E2C97332AEB7065812CAF72CAE
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla QUOTATION rar RFQ tbz


Avatar
cocaman
Malicious email (T1566.001)
From: "John Rey Solijon <sales@shshenke.com.cn>" (likely spoofed)
Received: "from shshenke.com.cn (unknown [185.222.58.49]) "
Date: "6 Jun 2023 06:09:01 +0200"
Subject: "REQUEST FOR QUOTATION (RFQ REF : R2100131410)"
Attachment: "RFQ#R2100131410.pdf.tbz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
CH CH
File Archive Information

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

File name:RFQ#R2100131410.pdf.exe
File size:738'304 bytes
SHA256 hash: 2bed887fca5ae34bb249eb750e20b7542c9209a169745ad2bd9176618042f8ee
MD5 hash: 26ef9e5b08e4464b71e644ae57362b1a
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6482d842d9c56cc8fb4331a6/reports/f585fbdb-28dd-4c2e-aba2-2a28715485bb/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1
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/b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-06 02:14:47 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wexmbg7lllmoma3ehmd5wd5q4ctlqrmehjrjfkectlrnc6drtwyq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230609-j6pvaacd2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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/b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research

File information

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

Malspam

AgentTesla

rar b12ec09beb5ad8e603643b07db0fb0e0a6b845843a6292a8829ae2d178719db1

(this sample)

AgentTesla

Executable exe 2bed887fca5ae34bb249eb750e20b7542c9209a169745ad2bd9176618042f8ee

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 2bed887fca5ae34bb249eb750e20b7542c9209a169745ad2bd9176618042f8ee
  
Dropping
MD5 26ef9e5b08e4464b71e644ae57362b1a

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