MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9
SHA3-384 hash: 6f1b3e4e362293217a8bb9547db3883cd542301616bbce73d3e0a6cd17268f8a88b5e3dab484a0428624e4d5f83a8e04
SHA1 hash: e711278519535632f72471283708d18311bd43d0
MD5 hash: d762674c7cd7b5ca30f5a428ef802b53
humanhash: wyoming-quebec-white-tennis
File name:INVOICE No 0024600 pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:778'752 bytes
First seen:2023-08-30 20:48:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:roVAr3QGH5hZ1gAJ8Ry947KZtCF/13ZfnmH4zl3AUhRcOJ5cOHa:roQ3H5n1gAuM947EwJhZfn24hw5y1
Threatray 818 similar samples on MalwareBazaar
TLSH T1B3F4E02876781F26E6B9C3F58434954417F966AA393FF38C8DD274EF2661F420A01B27
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
INVOICE No 0024600 pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-30 20:49:44 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/099e81b9-7073-4737-acae-f6cec68d73ea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/445384/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
explorer lolbin masquerade packed
Link:
https://www.filescan.io/uploads/64efab408d6d59beeee4f400/reports/92522936-cadf-473c-974c-9582340bb4b8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9
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/7e33a7f7-3a52-4e38-b81d-4970b00a32e7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1300691
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1300691 Sample: INVOICE_No_0024600_pdf.exe Startdate: 30/08/2023 Architecture: WINDOWS Score: 100 73 Found malware configuration 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 6 other signatures 2->79 7 INVOICE_No_0024600_pdf.exe 7 2->7         started        11 SFZiexfDFh.exe 2->11         started        13 aATUsVt.exe 2->13         started        15 aATUsVt.exe 2->15         started        process3 file4 55 C:\Users\user\AppData\...\SFZiexfDFh.exe, PE32 7->55 dropped 57 C:\Users\user\AppData\Local\...\tmp67B8.tmp, XML 7->57 dropped 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->93 95 May check the online IP address of the machine 7->95 97 Uses schtasks.exe or at.exe to add and modify task schedules 7->97 99 Adds a directory exclusion to Windows Defender 7->99 17 INVOICE_No_0024600_pdf.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        34 2 other processes 7->34 101 Multi AV Scanner detection for dropped file 11->101 103 Injects a PE file into a foreign processes 11->103 24 SFZiexfDFh.exe 11->24         started        26 schtasks.exe 11->26         started        28 aATUsVt.exe 13->28         started        30 schtasks.exe 13->30         started        32 aATUsVt.exe 15->32         started        36 3 other processes 15->36 signatures5 process6 dnsIp7 59 quartieri97italy.com.ng 104.194.10.93, 49721, 49724, 49738 RELIABLESITEUS United States 17->59 61 mail.quartieri97italy.com.ng 17->61 65 3 other IPs or domains 17->65 51 C:\Users\user\AppData\Roaming\...\aATUsVt.exe, PE32 17->51 dropped 53 C:\Users\user\...\aATUsVt.exe:Zone.Identifier, ASCII 17->53 dropped 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->81 83 Tries to steal Mail credentials (via file / registry access) 17->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->85 38 conhost.exe 22->38         started        63 mail.quartieri97italy.com.ng 24->63 67 2 other IPs or domains 24->67 87 Installs a global keyboard hook 24->87 41 conhost.exe 26->41         started        69 2 other IPs or domains 28->69 43 conhost.exe 30->43         started        71 2 other IPs or domains 32->71 89 Tries to harvest and steal browser information (history, passwords, etc) 32->89 45 conhost.exe 34->45         started        47 conhost.exe 34->47         started        49 conhost.exe 36->49         started        file8 signatures9 process10 signatures11 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->91
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-08-30 08:32:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vb6jqwry6masn2kluzlyvywlixhnuivull5cf5d6slpde7s4k6uq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 808 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230830-zlz3hsab7v/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
b7dddf80b2a95725a5572fe65c2277bbd78d3bd4477b830278086cc9cbb8ca5c
MD5 hash:
b9f7498f4e93e0a786721f0fcf16dc35
SHA1 hash:
d9525cb9161be16279b439d6631fb82113bf9f23
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/5fccccf6-dad6-45d2-ad8b-19549bcd264a/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/5fccccf6-dad6-45d2-ad8b-19549bcd264a/
SH256 hash:
2a995b5b64848a9eb8fd76a8b8092290314f8277e32dd9777514f1f743655d71
MD5 hash:
b64f9b22dbc01029545a7755d42c00e3
SHA1 hash:
b562d820f62236292a5f63a80751960cffed9e06
Link:
https://www.unpac.me/results/5fccccf6-dad6-45d2-ad8b-19549bcd264a/
SH256 hash:
68ed33211cd1f0b20219f4b77adee24c905dff7172ac5a8304bcd6f52d4bd371
MD5 hash:
93d3a63af4ed26337e1c4989b74c72fc
SHA1 hash:
a4fac817cd5b038245ee0be4ce319b2b76346706
Link:
https://www.unpac.me/results/5fccccf6-dad6-45d2-ad8b-19549bcd264a/
SH256 hash:
a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9
MD5 hash:
d762674c7cd7b5ca30f5a428ef802b53
SHA1 hash:
e711278519535632f72471283708d18311bd43d0
Link:
https://www.unpac.me/results/5fccccf6-dad6-45d2-ad8b-19549bcd264a/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a87c985a38f3/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/a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9

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

File information

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

Malspam

AgentTesla

rar 0013e90fa2fdd7f70d820123463a9ba075c29c643ae8f5dd865d6cc226db09d6

AgentTesla

Executable exe a87c985a38f30126e94ba6578ae2cb45ceda22b45afa22f47e92de327e5c57a9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 0013e90fa2fdd7f70d820123463a9ba075c29c643ae8f5dd865d6cc226db09d6
Cape
Cape
https://www.capesandbox.com/analysis/445384/
  
Dropped by
MD5 f929e6df30d8af8f6d19d0b30a85cebb

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