MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474
SHA3-384 hash: e0d9a78d0dc4dbcdd0674e0cb86da809a9f1c94f9cb0900c3b7de87515ffd65497d6015fe8a2a3d96a43296b348440fe
SHA1 hash: d2666ca91065897d79992d04a78e41331d1f0cd6
MD5 hash: 5e39df0138d8c2b4da5b748c34c50482
humanhash: nineteen-zulu-avocado-hydrogen
File name:20220826_7745553654.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:32'768 bytes
First seen:2022-08-26 06:25:10 UTC
Last seen:2022-08-31 14:01:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:xP9r7+A3eAq2jRzZDW1iwQkftgLUygxQ5kjen3h5t3//iUvstQBSdXd:99r7+O1lIzRGbCsRL3//iUEJdt
TLSH T14AE2E707F64D071CE3755679B5FBB57002A8BF53284299A8B0C1FF8E1572F8C99222DA
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0f2f0f1f271b6931 (13 x AgentTesla, 3 x StormKitty, 2 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20220826_7745553654.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-26 06:28:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8c45a19-19ad-479b-9e45-a0774ab7751f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/301301/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6308677cc9bbd99097956bc2/reports/aa0d1751-9fda-40d1-87db-c24bb106ad91/overview
Result
Verdict:
SUSPICIOUS
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/a74e249a-cdb5-4168-bc04-c86721d9d3ec
Result
Threat name:
AgentTesla, AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1058177
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690694 Sample: 20220826_7745553654.exe Startdate: 26/08/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 10 other signatures 2->74 7 20220826_7745553654.exe 16 7 2->7         started        12 Vydnzblx.exe 3 2->12         started        14 Vydnzblx.exe 14 4 2->14         started        process3 dnsIp4 50 cdn.discordapp.com 162.159.130.233, 443, 49705 CLOUDFLARENETUS United States 7->50 40 C:\Users\user\AppData\...\Vydnzblx.exe, PE32 7->40 dropped 42 C:\Users\...\Vydnzblx.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\...\20220826_7745553654.exe.log, ASCII 7->44 dropped 76 Encrypted powershell cmdline option found 7->76 16 MSBuild.exe 14 2 7->16         started        20 MSBuild.exe 7->20         started        22 powershell.exe 17 7->22         started        24 MSBuild.exe 7->24         started        52 162.159.135.233, 443, 49715 CLOUDFLARENETUS United States 12->52 26 MSBuild.exe 12->26         started        28 powershell.exe 12->28         started        54 162.159.129.233, 443, 49714 CLOUDFLARENETUS United States 14->54 78 Machine Learning detection for dropped file 14->78 30 MSBuild.exe 14->30         started        32 powershell.exe 14->32         started        file5 signatures6 process7 dnsIp8 46 api.telegram.org 149.154.167.220, 443, 49717, 49724 TELEGRAMRU United Kingdom 16->46 48 192.168.2.1 unknown unknown 16->48 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->58 34 conhost.exe 22->34         started        60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->60 62 Tries to steal Mail credentials (via file / registry access) 26->62 64 Tries to harvest and steal ftp login credentials 26->64 66 Tries to harvest and steal browser information (history, passwords, etc) 26->66 36 conhost.exe 28->36         started        38 conhost.exe 32->38         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474/
Threat name:
Win32.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-08-26 06:26:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
12 of 26 (46.15%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sp7qbcdmhxkp3ippsdei46of3n3v6zt5gp4udn2zjylvd6myer2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220826-g663fshec7/
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
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5361654451:AAHYmTepKr6-9tSiLevlFEo3EiHB22BoB8k/sendDocument
Unpacked files
SH256 hash:
93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474
MD5 hash:
5e39df0138d8c2b4da5b748c34c50482
SHA1 hash:
d2666ca91065897d79992d04a78e41331d1f0cd6
Link:
https://www.unpac.me/results/36d8328c-791f-45a1-972a-6111152d8859/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/93ff00886c3d/report/overview.html
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/93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474

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_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

AgentTesla

Executable exe 93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/301301/

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