MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3
SHA3-384 hash: f39f6a4cff7deb527f3a9b94dfdb6efb07f73b52a494f940cc5b6339c16bb7f2bfc59f17c3f0fb27a171ee12a4cfb7c2
SHA1 hash: 976c00d839ed541b3f8d284f36c842d626798bfa
MD5 hash: d3376e802bba19b0cc672487428c27e1
humanhash: lemon-sodium-cat-quebec
File name:Presupuesto+Pago_realizados_03-09-2023.Pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:653'824 bytes
First seen:2023-10-05 09:22:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:LF8zS55mFzjst6+jRT0iApBNJNWyhHKJUNVAlmzGFM5TUucy86QEG1h4byvx:xf55qvsIqROD0ydB66tfaLvx
TLSH T11DD412ACB2ED1733CF5C09F6182369804B785A77B493F2D14C9A16CE52DBBC09563A4B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.68.28145.21691.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/772a3ab7-69fc-4f9d-b3aa-3caa74f8ab1e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320151
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320151 Sample: Presupuesto+Pago_realizados... Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 25 discordapp.com 2->25 29 Found malware configuration 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 9 other signatures 2->35 8 Presupuesto+Pago_realizados_03-09-2023.Pdf.exe 4 2->8         started        signatures3 process4 signatures5 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->37 39 Adds a directory exclusion to Windows Defender 8->39 41 Injects a PE file into a foreign processes 8->41 11 Presupuesto+Pago_realizados_03-09-2023.Pdf.exe 15 2 8->11         started        15 powershell.exe 21 8->15         started        17 Presupuesto+Pago_realizados_03-09-2023.Pdf.exe 8->17         started        19 Presupuesto+Pago_realizados_03-09-2023.Pdf.exe 8->19         started        process6 dnsIp7 27 discordapp.com 162.159.133.233, 443, 49684 CLOUDFLARENETUS United States 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file / registry access) 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 21 WerFault.exe 21 16 11->21         started        23 conhost.exe 15->23         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-04 07:53:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q53c3zmmuljletysnrlwp4klo3yez6ny5hjrp4zf74jr7q7irpbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231005-lcf2dsbh55/
Behaviour
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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discordapp.com/api/webhooks/1150611970358255616/TcoC3JrTki0Xd-EXOGznvPK0OsuJm9IeeUEQvrN7JXow_2oGDOWPWLU8gGbdLwevrDns
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/a100e724-a6b2-4a17-90f9-8e6f0d1b1630/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/a100e724-a6b2-4a17-90f9-8e6f0d1b1630/
SH256 hash:
d6c68f727e8bbdef6b9ba8c117827c090c6953e4e9ad2af0fd703fa233c9f512
MD5 hash:
0b5e007e278c42ebfc209faed9d9851d
SHA1 hash:
8ea0cfec0e743fbd584f9caf135bd9cf8a775f4f
Link:
https://www.unpac.me/results/a100e724-a6b2-4a17-90f9-8e6f0d1b1630/
SH256 hash:
3f55c83ffcdcffc4d309dacd97c11505fe5e3a72c25c65078e3a3913becabd69
MD5 hash:
420676f3640d088b31ab6e5dea3a337d
SHA1 hash:
0d8c8963f4be6c8c09f541140d88bd7996792d5d
Link:
https://www.unpac.me/results/a100e724-a6b2-4a17-90f9-8e6f0d1b1630/
SH256 hash:
87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3
MD5 hash:
d3376e802bba19b0cc672487428c27e1
SHA1 hash:
976c00d839ed541b3f8d284f36c842d626798bfa
Link:
https://www.unpac.me/results/a100e724-a6b2-4a17-90f9-8e6f0d1b1630/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87762de58ca2/report/overview.html
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/87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3

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_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_bytecodes_sep_2023
Create hunting rule
Author:Matthew @embee_research

File information

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

Malspam

AgentTesla

Executable exe 87762de58ca2d2b24f126c5767f14b76f04cf9b8e9d317f325ff131fc3e88bc3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments