MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bbb170a0a60a6689cf1a361b99c7d2432c93f4b80c40251d3c577644c08bdf4. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: 5bbb170a0a60a6689cf1a361b99c7d2432c93f4b80c40251d3c577644c08bdf4
SHA3-384 hash: 21e7b81af5cfa8bf991313cc9da2038f7e09e57e03667da7a58a32539c57981d347e97a75bc57042182c8b095a51179e
SHA1 hash: c1ced2790eec990f8f52bc0a238bac85c3357920
MD5 hash: 8a85f29cc931eccae0f5e851f92008f7
humanhash: happy-stairway-neptune-arizona
File name:SecuriteInfo.com.Trojan.MSIL.NanoCore.AR.MTB.26176.19278
Download: download sample
Signature AgentTesla
File size:538'624 bytes
First seen:2022-06-20 12:32:10 UTC
Last seen:2022-06-21 13:10:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mmr5vGF3ElD+RA8JlnC01i8NhOIZk0Bc9hMZmITUmz/PjxUfN:hvg3ElD++oln0ihB
Threatray 19'313 similar samples on MalwareBazaar
TLSH T189B48D9CB22C74DEC897C27299B45C64EA60746FA71B510791630E9E9D1CB83CF268F3
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Payment due date.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-20 14:12:40 UTC
Tags:
encrypted exploit CVE-2017-11882 loader agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-20 12:33:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Unpacked files
SH256 hash:
a93f2dc3146dacda28dc7cba642b816c280ffea5931afc14271bebf06afcfd1f
MD5 hash:
0572753a5e0212ca076c50e58e821614
SHA1 hash:
31999f16ec6d301cb779609742aff0a9fb2a9509
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
5bbb170a0a60a6689cf1a361b99c7d2432c93f4b80c40251d3c577644c08bdf4
MD5 hash:
8a85f29cc931eccae0f5e851f92008f7
SHA1 hash:
c1ced2790eec990f8f52bc0a238bac85c3357920
Malware family:
AgentTesla.v3
Verdict:
Malicious
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_ab4444e9
Author:Johannes Bader
Description:detects Agent Tesla
Rule name:win_agent_tesla_v1
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.

Web download

AgentTesla

Executable exe 5bbb170a0a60a6689cf1a361b99c7d2432c93f4b80c40251d3c577644c08bdf4

(this sample)

  
Delivery method
Distributed via web download

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