MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b
SHA3-384 hash: 3d7f413b921c5fcb11c6fd945d20a04ac7ed1326c6a2bc1886de88c82f76dbfad0dbf01a4d66e6b6a4ee69f89db4891f
SHA1 hash: 1fea1de0689ca00227879872fc11b09e4d9ce27a
MD5 hash: 0bfd0be112294967b5d89483a86e2a34
humanhash: michigan-six-south-london
File name:DOCUMENTS.pdf.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:602'049 bytes
First seen:2023-07-22 15:03:03 UTC
Last seen:2023-07-23 12:21:34 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:t4hT2obs8ytz3BUHqMTnsSkpItPIJxy+KooMELKY8WmIs9rsbPLyiUb1iopp4Zje:kqB8iBUH8ygJxGopE2zILbLy71iopp4c
TLSH T1C7D423176CD3BC7DE517E29CCE2922E98A3E2CC7A49E134D15F1071386BDA8428D9D39
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "tracy_lee <tracy.lee@gwctech.com>" (likely spoofed)
Received: "from gwctech.com (unknown [185.225.74.18]) "
Date: "22 Jul 2023 20:13:07 +0200"
Subject: "Re:RE: Revised Sales Contract"
Attachment: "CONTRACT.pdf.rar"

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
CH CH
File Archive Information

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

File name:DOCUMENTS.pdf.exe
File size:814'592 bytes
SHA256 hash: ddf7770047bab26cd3cc7752df568dda1b03789739ed404e3c5143bf0abba51f
MD5 hash: 4f00274ba9cf0c94c9fa92dba45881da
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/55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64bbefe342d86ce7e107d761/reports/c425e5ee-8e4f-4a73-84f2-74523a8f5df1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b
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/55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 11:41:02 UTC
File Type:
Binary (Archive)
Extracted files:
22
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxkzcdggjnkuzthyaxdc6uhjvhblktagkrlqz7j7opktdkueogfq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230722-xfrg3sbg57/
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
Looks up external IP address via web service
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/55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b

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:Dotnet_Hidden_Executables_Detect
Create hunting rule
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
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 55d5910cc64b554cccf805c62f50e9a9c2b54c0654570cfd3f73d531aa84718b

(this sample)

AgentTesla

Executable exe ddf7770047bab26cd3cc7752df568dda1b03789739ed404e3c5143bf0abba51f

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 ddf7770047bab26cd3cc7752df568dda1b03789739ed404e3c5143bf0abba51f
  
Dropping
AgentTesla
  
Dropping
MD5 4f00274ba9cf0c94c9fa92dba45881da

Comments