MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494
SHA3-384 hash: e8a645031de59eddb76af92bc1adf962e76dcd6d873a98bc3fc111d2fb0e65aa0eeac6c0d86b90f81283e8c253c9473b
SHA1 hash: 6af0f96516f3e1eb6a4d79ad4c2d3ea28e346902
MD5 hash: 5e5e00a40992d0f054ffc248dc28677e
humanhash: video-yellow-sodium-six
File name:SHIPPING DOCUMENTS (BILL-NGC#5011728784).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:180'224 bytes
First seen:2022-07-05 04:17:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:6PxcMeU0W0N25PKUDqw34Y0UIA8COW6xHkGa/KUosU0WZiXF5ACzVKbQ:6pcMiDNZlw35R/b6YKUaEP3VKM
Threatray 18'839 similar samples on MalwareBazaar
TLSH T1AA045BA15C744048FDEE4EB14A1996E72AD2EC536A61A06FD3547F52C23239CFCDA2F0
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 e194aab2b2aad421 (10 x AgentTesla, 4 x AveMariaRAT, 3 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.20118.29485.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62c3bb7cdd037e2703307f1c/reports/222efc36-50de-4f4c-b54e-a5557ef4edcc/overview
Result
Verdict:
UNKNOWN
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ed954fc-3712-44c9-bf0f-0a91e54924b0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024544
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 657039 Sample: SHIPPING DOCUMENTS (BILL-NG... Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 76 Snort IDS alert for network traffic 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 10 other signatures 2->82 7 SHIPPING DOCUMENTS (BILL-NGC#5011728784).exe 16 7 2->7         started        12 Edycllzz.exe 3 2->12         started        14 Edycllzz.exe 14 4 2->14         started        process3 dnsIp4 48 wi6oig.bn.files.1drv.com 7->48 56 2 other IPs or domains 7->56 40 C:\Users\user\AppData\...dycllzz.exe, PE32 7->40 dropped 42 C:\Users\...dycllzz.exe:Zone.Identifier, ASCII 7->42 dropped 44 SHIPPING DOCUMENTS...5011728784).exe.log, ASCII 7->44 dropped 84 Encrypted powershell cmdline option found 7->84 86 Writes to foreign memory regions 7->86 88 Allocates memory in foreign processes 7->88 16 aspnet_compiler.exe 14 6 7->16         started        20 powershell.exe 15 7->20         started        22 aspnet_compiler.exe 7->22         started        32 3 other processes 7->32 50 192.168.2.1 unknown unknown 12->50 52 wi6oig.bn.files.1drv.com 12->52 58 2 other IPs or domains 12->58 90 Injects a PE file into a foreign processes 12->90 24 aspnet_compiler.exe 12->24         started        26 powershell.exe 12->26         started        54 wi6oig.bn.files.1drv.com 14->54 60 2 other IPs or domains 14->60 92 Multi AV Scanner detection for dropped file 14->92 28 aspnet_compiler.exe 14->28         started        30 powershell.exe 14->30         started        file5 signatures6 process7 dnsIp8 46 api.telegram.org 149.154.167.220, 443, 49736, 49738 TELEGRAMRU United Kingdom 16->46 62 Installs a global keyboard hook 16->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->66 34 conhost.exe 20->34         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->68 70 Tries to steal Mail credentials (via file / registry access) 24->70 72 Tries to harvest and steal ftp login credentials 24->72 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 36 conhost.exe 26->36         started        38 conhost.exe 30->38         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-05 00:03:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6tlblu2vowgkndrzjbsvc4wvshmhue3wohftzdhq5pbwpulwiska._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1ac183df7667d8c9e96b2da9d0ffb3db9351d51d9186684bd94d22fd26e1e19e
AgentTesla
285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990
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63b747c34c71ae08653978a800692893d7ae5be122ecbaf482f7b8cff6cf3c8c
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a0baf98ce28c1245d78159191bd0fafaf80c8c6b76b5e80b43bea8874af910a9
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a9abf5bb4d461231fec3b318a772380e393aefd63c4dd049b701bd1e4b4f437c
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c0be7072ca0ea43fce4807bf70d62db6d8d8724ff836c9e706722336ecbfd1bc
AgentTesla
c5df359c7b21d6544c166cf142071d68a028f429ff47e80b8e855b9bc02decfd
AgentTesla
cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db
AgentTesla
cd4af46185777fd2e5fc2bed90454d28f54273e797afc77ae8230df60b26f3bb
AgentTesla
e4412acc9ccee3402185df5b7305d511dbb0110c5e435a4f8f5d75275832fc24
AgentTesla
+ 18'829 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/220705-ewyl8adhcl/
Behaviour
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
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5257540806:AAHfdEOucX0SGh3bzy9zivJOu6xbXCuqEE8/sendDocument
Unpacked files
SH256 hash:
f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494
MD5 hash:
5e5e00a40992d0f054ffc248dc28677e
SHA1 hash:
6af0f96516f3e1eb6a4d79ad4c2d3ea28e346902
Link:
https://www.unpac.me/results/99bea2ec-f4b0-49ee-aac9-7aec13463e08/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f4d615d35575/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
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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

Executable exe f4d615d355758ca68e3948655172d591d87a137671cb3c8cf0ebc367d1764494

(this sample)

  
Delivery method
Distributed via e-mail attachment

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