MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15af5a9ed0c8c18a427f84340d87c3071f4b6b358ade87564989e109e8b1ecae. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15af5a9ed0c8c18a427f84340d87c3071f4b6b358ade87564989e109e8b1ecae
SHA3-384 hash: cbfdcfa5c392a8c4cb348394bf09bac571de1a74b8c4c3f07a5764c3352eef7a73dda630611ef823a713018597119a85
SHA1 hash: f153c9152d28f9ab9fe8e142dc6c73b1a1050df3
MD5 hash: f54aa43159fc019ea3cfd5572d95def2
humanhash: crazy-seventeen-mobile-diet
File name:invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'266'176 bytes
First seen:2021-01-10 07:24:44 UTC
Last seen:2021-01-10 08:43:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:D7kNEs01y1UDZNhsmqO3hurt+ss6oANNQQX5UtVAry:D0eyk74PshA7LJUt6ry
Threatray 2'108 similar samples on MalwareBazaar
TLSH BE45D09CF540B4BEF526BE7289701F70951C6C62061BE24F740B32DC597C6DA8AD3EA2
Reporter abuse_ch
Tags:AgentTesla exe Telegram


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: frf-ajf.ro
Sending IP: 89.45.174.241
From: Jsandoval <jsandoval@cascoviejo.com.mx>
Reply-To: jsandoval@cascoviejo.com.mx
Subject: Invoice Payment
Attachment: invoice.zip (contains "invoice.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-01-10 07:29:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6d7832dd-d80c-43e1-b402-583e3a6019af

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111153/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.th.31296.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/577421
Signature
.NET source code contains very large array initializations
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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 access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 337760 Sample: invoice.exe Startdate: 10/01/2021 Architecture: WINDOWS Score: 100 36 api.telegram.org 2->36 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected AgentTesla 2->54 56 Yara detected AntiVM_3 2->56 58 5 other signatures 2->58 7 invoice.exe 3 2->7         started        11 scvhosts.exe 3 2->11         started        13 scvhosts.exe 2 2->13         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\invoice.exe.log, ASCII 7->34 dropped 60 Detected unpacking (changes PE section rights) 7->60 62 Detected unpacking (overwrites its own PE header) 7->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 15 invoice.exe 17 9 7->15         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->70 20 scvhosts.exe 2 11->20         started        72 Injects a PE file into a foreign processes 13->72 22 scvhosts.exe 14 6 13->22         started        24 scvhosts.exe 13->24         started        26 scvhosts.exe 13->26         started        28 scvhosts.exe 13->28         started        signatures6 process7 dnsIp8 38 api.telegram.org 149.154.167.220, 443, 49746, 49747 TELEGRAMRU United Kingdom 15->38 30 C:\Users\user\AppData\...\scvhosts.exe, PE32 15->30 dropped 32 C:\Users\...\scvhosts.exe:Zone.Identifier, ASCII 15->32 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 46 Tries to harvest and steal ftp login credentials 22->46 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 50 Installs a global keyboard hook 22->50 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15af5a9ed0c8c18a427f84340d87c3071f4b6b358ade87564989e109e8b1ecae/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-01-10 03:03:15 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwxvvhwqzdayuqt7qq2a3b6da4puw2zvrlpiovsjrhqqt2fr5sxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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0c316b6e9b1bb80efe9a27b513c7c091cd047d5bf437b88db13f8e45a40e89d6
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499fbb163155c9ddf1ea79a16f5bb1a752af4e25bfc4ad7e482ffde471b6cde3
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53844995638262e794ee25db674e959f123975f40db830a57c7715231eeb7ce5
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7b7f6b3a38933a9d06d6315b89df48c695b7ee7e35725649572a4abd17c3496c
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9634cf79c1254f6eb68967cc89267c50513f9df930c15bdcc77bbd1fa1b5add6
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a51bd84d3facb55aaa7d351f79a6383f50b362c48a7abf373675aedd13aa9770
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dfcc5df6ea28e158b19b5168275bd140720d5cd73e3df9dab5ecb513255d21f0
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f1eda024214adb75fe2aa99abd7b2c8e8cecce443d80a0305a916bb8e03a2bf8
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fad59266b34827f994eba36a030a5abd4c552c3132801afec5fe74c787e10044
AgentTesla
+ 2'098 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210110-95r5ecakgx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
15af5a9ed0c8c18a427f84340d87c3071f4b6b358ade87564989e109e8b1ecae
MD5 hash:
f54aa43159fc019ea3cfd5572d95def2
SHA1 hash:
f153c9152d28f9ab9fe8e142dc6c73b1a1050df3
Link:
https://www.unpac.me/results/0738962b-4107-4584-a61e-ae4e6f91f535/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/0738962b-4107-4584-a61e-ae4e6f91f535/
SH256 hash:
8cc685b71db2dd392902b9109a9a192c64a4ab5abe4cfa9f1505e0b44ef87194
MD5 hash:
8db09afe54fd3a4cdfab872825f62c1e
SHA1 hash:
69052205a04ad20f831e009de4b2d8465b1489ac
Link:
https://www.unpac.me/results/0738962b-4107-4584-a61e-ae4e6f91f535/
SH256 hash:
0551ba630a7f73758365339daf6b15163375fd43e5efd6138c25ef2b5610d576
MD5 hash:
4d18014bee25d88e74f58a6cc471c05b
SHA1 hash:
d4d929486b017153e254cf4a97e6110bbb4db9fa
Link:
https://www.unpac.me/results/0738962b-4107-4584-a61e-ae4e6f91f535/
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/15af5a9ed0c8c18a427f84340d87c3071f4b6b358ade87564989e109e8b1ecae

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip ee92f4f0721a5f856c7206fecb0de9c299ab67e5ef81e9136cc7dbb70bb31077

AgentTesla

Executable exe 15af5a9ed0c8c18a427f84340d87c3071f4b6b358ade87564989e109e8b1ecae

(this sample)

  
Dropped by
MD5 96729d7b472e6bd2bdf11cb3a0167391
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ee92f4f0721a5f856c7206fecb0de9c299ab67e5ef81e9136cc7dbb70bb31077
Cape
Cape
https://www.capesandbox.com/analysis/111153/

Comments