MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb836c2076849816bd40df9bb0650ab562508020fd896f446260de7c09ba3e01. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: cb836c2076849816bd40df9bb0650ab562508020fd896f446260de7c09ba3e01
SHA3-384 hash: 16cfbaf9f8fb6f6da09c7e5faed092d4165acf14d81d78dc94d21a3f21a68ba60811313515bb83bc533ea40562259417
SHA1 hash: 4e35c3c551d33d50880847e75793f75fc2dfe1b3
MD5 hash: f4ff5eccd7a4ce73538e7aeb624e8027
humanhash: leopard-stairway-sodium-connecticut
File name:SecuriteInfo.com.Win32.PWSX-gen.15726.27453
Download: download sample
Signature AgentTesla
File size:565'248 bytes
First seen:2023-08-17 03:28:00 UTC
Last seen:2023-08-17 06:01:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lAzNzHDl+CNriKIVxfp442zqc7tXXPNiN+xvJ5pXzl2y9:mRrk/4DvZPg+Xjl2M
Threatray 1'137 similar samples on MalwareBazaar
TLSH T184C4026072791F2DD97E87F20961A58403F26AAB3971E30D8D91A4DA10ADF801FC1F6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.15726.27453
Verdict:
Malicious activity
Analysis date:
2023-08-17 03:29:38 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
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 potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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 Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292553 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 8 other signatures 2->55 7 SecuriteInfo.com.Win32.PWSX-gen.15726.27453.exe 7 2->7         started        11 kVhDbfnpPpj.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\kVhDbfnpPpj.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp6E48.tmp, XML 7->37 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Adds a directory exclusion to Windows Defender 7->63 13 SecuriteInfo.com.Win32.PWSX-gen.15726.27453.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 23 kVhDbfnpPpj.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 39 api4.ipify.org 173.231.16.76, 443, 49704 WEBNXUS United States 13->39 41 api.telegram.org 149.154.167.220, 443, 49708, 49718 TELEGRAMRU United Kingdom 13->41 43 api.ipify.org 13->43 69 Installs a global keyboard hook 13->69 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        45 104.237.62.211, 443, 49711 WEBNXUS United States 23->45 47 api.ipify.org 23->47 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->71 73 Tries to steal Mail credentials (via file / registry access) 23->73 75 Tries to harvest and steal browser information (history, passwords, etc) 23->75 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-17 01:08:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 36 (52.78%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
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/bot6218661448:AAE56j1G_sDP2KPqrx-I_VQVC0Gs5jEVWv8/
Unpacked files
SH256 hash:
388c384a158bee6905838b1065250db72122205456535834ce990725ec6f2a88
MD5 hash:
f5659bd08746a1214c17c4e3f6ffc733
SHA1 hash:
e79591cd58b0e2b4b3d3509ec6e28ba81312554f
SH256 hash:
9073b0bd9077e6cadb11a6226f245a587762f8b74e689fff14b90a7c7d7ea184
MD5 hash:
aad8f6382e8083b879d3a3d6261ff3e1
SHA1 hash:
d12be488b24de0b60bab6efb613c060e3aa66e41
Detections:
AgentTeslaXorStringsNet
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
SH256 hash:
cb836c2076849816bd40df9bb0650ab562508020fd896f446260de7c09ba3e01
MD5 hash:
f4ff5eccd7a4ce73538e7aeb624e8027
SHA1 hash:
4e35c3c551d33d50880847e75793f75fc2dfe1b3
Malware family:
AgentTesla.v4
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:NET
Author:malware-lu
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.

Comments