MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b46f4f5fd9390616b9b5ebda6fac32ca446e2eb93960d3f3f70659bd33d2f76. 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: 3b46f4f5fd9390616b9b5ebda6fac32ca446e2eb93960d3f3f70659bd33d2f76
SHA3-384 hash: 0e0d7c3b9ddd5dffa55509007d83a7588df7164210c83d2dda82831c6e028d35afca0c11387be3dc6747afea415f15ab
SHA1 hash: 145710606b01bed46c57973f7b12c66846b37e4d
MD5 hash: ccd20d6410991fdb3ec21129313266f3
humanhash: twenty-nuts-tennis-apart
File name:BL293425176_OOLU2034251761.xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:809'984 bytes
First seen:2022-05-27 18:55:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:x9fpKRfBV1zxvivFyf0dR0atBMhVFAYjH1YEI2yUHzHBU510TELj2BOjAm:x9xKfVBxUyJEYVFxW2yd51YG++3
Threatray 17'769 similar samples on MalwareBazaar
TLSH T1D205E02872A35E13C45847FAC0D7E51003B15453E836E6D72FC7EADA1A4ABE28EC9747
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 8f43484c4c4a418f (10 x AgentTesla, 1 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
448
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
BL293425176_OOLU2034251761.xls.exe
Verdict:
Malicious activity
Analysis date:
2022-05-27 18:57:30 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/31f0d1e0-47f6-4a1f-b091-99fad6ce1f2b

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/275093/
Detection(s):
Win.Dropper.Nanocore-9831995-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe nanocore obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62911ede206e0816184196b8/reports/26172063-376d-46fc-ae61-c5c05bc206e1/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/79fc2d4d-60a0-4809-b1e4-fc6ff17b73a9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1002898
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Creates autostart registry keys with suspicious names
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 an obfuscated file name to hide its real file extension (double extension)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635391 Sample: BL293425176_OOLU2034251761.... Startdate: 27/05/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected AgentTesla 2->60 62 8 other signatures 2->62 7 BL293425176_OOLU2034251761.xls.exe 4 2->7         started        11 adbe.exe 4 2->11         started        13 adbe.exe 2->13         started        process3 file4 38 C:\...\BL293425176_OOLU2034251761.xls.exe.log, ASCII 7->38 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 68 Adds a directory exclusion to Windows Defender 7->68 15 BL293425176_OOLU2034251761.xls.exe 17 5 7->15         started        20 powershell.exe 25 7->20         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Injects a PE file into a foreign processes 11->74 22 adbe.exe 11->22         started        24 powershell.exe 11->24         started        26 powershell.exe 13->26         started        signatures5 process6 dnsIp7 40 api.telegram.org 149.154.167.220, 443, 49776, 49794 TELEGRAMRU United Kingdom 15->40 34 C:\Users\user\AppData\Roaming\adbe\adbe.exe, PE32 15->34 dropped 36 C:\Users\user\...\adbe.exe:Zone.Identifier, ASCII 15->36 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 Creates autostart registry keys with suspicious names 15->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->48 28 conhost.exe 20->28         started        50 Tries to harvest and steal ftp login credentials 22->50 52 Tries to harvest and steal browser information (history, passwords, etc) 22->52 54 Installs a global keyboard hook 22->54 30 conhost.exe 24->30         started        32 conhost.exe 26->32         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b46f4f5fd9390616b9b5ebda6fac32ca446e2eb93960d3f3f70659bd33d2f76/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-27 15:25:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
200a8761ad54a3eeb3039a37d654f3be76efcdd5a51b1f6f9f4b9584dc998e1e
AgentTesla
54d48500414b67ed625499d5d6e77230e4e460622d96d5d333a32aea4573ca9e
AgentTesla
649c53c98fe14bf0f88d62d2968bcc7674962ab0b44884614f707941284ee7ef
AgentTesla
86f7d6824e26de3b443252084400ace86c647ae384be9642179577fd86283ccb
AgentTesla
9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
AgentTesla
fe581076f8a8cd90b93b2bca8fde7fa8008c2c1c0962fc0282f785354fcda4a4
AgentTesla
+ 17'759 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/220527-xlbzkschhl/
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
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/bot5387803474:AAGKkrkF06EpzXuF3_Dcx_a3AqBPH5D7Zis/sendDocument
Unpacked files
SH256 hash:
50fb3ef5007dc94efc8bd523d1b6b495b1b6ecb5569b57880078edcbcd83375c
MD5 hash:
eff6059c7221ae29d77af0708b43a482
SHA1 hash:
68a27b0df0554da5d76ce554c55fb692e58ad022
Link:
https://www.unpac.me/results/6e0a2000-9514-4ea6-8a78-b126a37eefbe/
SH256 hash:
742bfb49cf3904931ce87b810106611867a6b4b7a8d69f308e21d9d221365b3d
MD5 hash:
81cf021b05eebb622775151dc87f2aa1
SHA1 hash:
480c103ac6e66fe00b488d286832dc89eee088a6
Link:
https://www.unpac.me/results/6e0a2000-9514-4ea6-8a78-b126a37eefbe/
SH256 hash:
7f8afdd1b7281e49533e22a000466233f4187aeb6335f78018a623f9e119046c
MD5 hash:
2516507790301ac3d52896937685a9c4
SHA1 hash:
187dd2b22c7fcd7b9765db8191cbc3886b22652f
Link:
https://www.unpac.me/results/6e0a2000-9514-4ea6-8a78-b126a37eefbe/
SH256 hash:
3b46f4f5fd9390616b9b5ebda6fac32ca446e2eb93960d3f3f70659bd33d2f76
MD5 hash:
ccd20d6410991fdb3ec21129313266f3
SHA1 hash:
145710606b01bed46c57973f7b12c66846b37e4d
Link:
https://www.unpac.me/results/6e0a2000-9514-4ea6-8a78-b126a37eefbe/
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/3b46f4f5fd9390616b9b5ebda6fac32ca446e2eb93960d3f3f70659bd33d2f76

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
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/275093/

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