MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 485fb7e2317374611dcdca40b75e8d3fc1d14121aaf726092ab31e26c380404b. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 485fb7e2317374611dcdca40b75e8d3fc1d14121aaf726092ab31e26c380404b
SHA3-384 hash: 3f45aa2e2b0c918bd30006c9e789a9f2d0b0dbcab7bb1731507daa8849490912db36c5290eb25aabc8f8e5b1d85084b5
SHA1 hash: 15d976025c170e13e83c1ab89a665036fbbf7e0d
MD5 hash: efa9b69512562f1d4f5be7df7687c4c5
humanhash: beryllium-alabama-alanine-utah
File name:SKMBT_3635215240549715417438.exe
Download: download sample
Signature AgentTesla
File size:1'403'904 bytes
First seen:2022-06-02 07:55:41 UTC
Last seen:2022-06-02 08:38:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/eYUzE1WFlhHYF1jw0xGdSYshcChutOXux+pefq121:/eYUzMNhxGdSphceZux+p
Threatray 17'989 similar samples on MalwareBazaar
TLSH T12755170067F91A05F6FA5F79A972A5404BB77DEA6839D34F189C60CE0FA3B408951B33
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SKMBT_3635215240549715417438.exe
Verdict:
Malicious activity
Analysis date:
2022-06-02 08:07:41 UTC
Tags:
agenttesla

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638061 Sample: SKMBT_3635215240549715417438.exe Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 10 other signatures 2->39 7 SKMBT_3635215240549715417438.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\UaxdYP.exe, PE32 7->23 dropped 25 C:\Users\user\...\UaxdYP.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpD013.tmp, XML 7->27 dropped 29 C:\...\SKMBT_3635215240549715417438.exe.log, ASCII 7->29 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 2 other signatures 7->47 11 SKMBT_3635215240549715417438.exe 15 2 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49751 TELEGRAMRU United Kingdom 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-02 03:28:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
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
Creates scheduled task(s)
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
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5361654451:AAHYmTepKr6-9tSiLevlFEo3EiHB22BoB8k/sendDocument
Unpacked files
SH256 hash:
29864117de9fe13a2cbe4f7f716cf0add957f89574959a69905a41e02ddd438a
MD5 hash:
54df861828e5be5417ed15de5c3d2b09
SHA1 hash:
ae921492e8fd07b5175ff9fa5454ba7639fb57e7
SH256 hash:
6f1f0bbd9532fc17da039de05b377c077fad652fa0caefbc551ed4cc0a8a91f7
MD5 hash:
d28601fe2fa184345ad7af9060b527b4
SHA1 hash:
76a827ae053d23e29c9dcb1299d14b60a2faa7b7
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
06b25e60dfc976b610f7e8cfaed03c76a8391df8e9f55a3f1ed2baa575c99f9b
MD5 hash:
b048f8840a154f58c85e748a8ed187c1
SHA1 hash:
0277354d7aeaf44ac7a0720004c4d51b2a8cf93e
SH256 hash:
485fb7e2317374611dcdca40b75e8d3fc1d14121aaf726092ab31e26c380404b
MD5 hash:
efa9b69512562f1d4f5be7df7687c4c5
SHA1 hash:
15d976025c170e13e83c1ab89a665036fbbf7e0d
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 485fb7e2317374611dcdca40b75e8d3fc1d14121aaf726092ab31e26c380404b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments