MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b032521341d2f76b1fe69ead761ce67c48fd4ebc7c4ecdb4e7d81dc8b9935e1e. 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 3 File information Comments

SHA256 hash: b032521341d2f76b1fe69ead761ce67c48fd4ebc7c4ecdb4e7d81dc8b9935e1e
SHA3-384 hash: 44277c3cba5bd3a0fdca6413f136ad8308e26f20db56d29cfd09e331d3494c38eb7130aa0e10b863b744dbab81fd40ae
SHA1 hash: a823fb13683cb8b82165e3274edacbf31f13e0a6
MD5 hash: 7dcb1f913eec25bc07aced21d9c1dc5d
humanhash: social-edward-aspen-magnesium
File name:7dcb1f913eec25bc07aced21d9c1dc5d.exe
Download: download sample
Signature AgentTesla
File size:942'080 bytes
First seen:2021-04-28 05:44:38 UTC
Last seen:2021-04-28 06:01:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:Z+T/wRGP0Uvmh9cFPpDWY1h+RZdNltzKLGyIyUvx:Z+Tf5vMWFPpywYZdNl3nD
Threatray 4'257 similar samples on MalwareBazaar
TLSH 0215E0226718BF59E43DC378A5240A0893F4FA47D729DB9E7EE410CA2921F419B77723
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7dcb1f913eec25bc07aced21d9c1dc5d.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 05:48:17 UTC
Tags:
n/a

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 UDP request
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
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 398935 Sample: g6Krpd84Ja.exe Startdate: 28/04/2021 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 8 other signatures 2->61 7 g6Krpd84Ja.exe 7 2->7         started        11 kwnlbQd.exe 5 2->11         started        13 kwnlbQd.exe 4 2->13         started        process3 file4 35 C:\Users\user\AppData\...\YgPUaSVPIUkKWx.exe, PE32 7->35 dropped 37 C:\...\YgPUaSVPIUkKWx.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpF1E0.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...\g6Krpd84Ja.exe.log, ASCII 7->41 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 7->67 69 Injects a PE file into a foreign processes 7->69 15 g6Krpd84Ja.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 21 schtasks.exe 1 11->21         started        23 kwnlbQd.exe 11->23         started        25 schtasks.exe 13->25         started        27 kwnlbQd.exe 13->27         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\kwnlbQd.exe, PE32 15->43 dropped 45 C:\Users\user\...\kwnlbQd.exe:Zone.Identifier, ASCII 15->45 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->47 49 Tries to steal Mail credentials (via file access) 15->49 51 Tries to harvest and steal ftp login credentials 15->51 53 2 other signatures 15->53 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2021-04-27 19:36:14 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
b032521341d2f76b1fe69ead761ce67c48fd4ebc7c4ecdb4e7d81dc8b9935e1e
MD5 hash:
7dcb1f913eec25bc07aced21d9c1dc5d
SHA1 hash:
a823fb13683cb8b82165e3274edacbf31f13e0a6
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 b032521341d2f76b1fe69ead761ce67c48fd4ebc7c4ecdb4e7d81dc8b9935e1e

(this sample)

  
Delivery method
Distributed via web download

Comments