MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f40cdee2712cc21e0f0f35983524f8b1e94cf29e666e1039deac3f5ec9cf3e3. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 5f40cdee2712cc21e0f0f35983524f8b1e94cf29e666e1039deac3f5ec9cf3e3
SHA3-384 hash: 7bf8f9c02c5711f0347b9bbd1f61ae1cee3ac80251d55837066de00afbf843889f669a5c70a8f8faa49d963680f56e36
SHA1 hash: 8aeddcc3dda3c303aa3222147ca1e194660ceae5
MD5 hash: 348ccc28bb8c5ccadf1ad4857108d350
humanhash: two-pip-autumn-carolina
File name:file.exe
Download: download sample
Signature AgentTesla
File size:724'992 bytes
First seen:2023-09-29 11:32:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:bctAckjlV6x2xjvct/gIoxrbLY3DGkPhAmszwzYZTvrPPTvDLiw/9g:OkWQBigIocDGkizwMZbjTvDLiM
Threatray 1'555 similar samples on MalwareBazaar
TLSH T1A8F402066BA51281F5BB67345AB2013153F3BA05CA39CF6D48CC50CC5BFB690FA94BA7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
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)
File icon (PE):PE icon
dhash icon 229878f8b4f031c4 (24 x AgentTesla, 5 x Loki, 4 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-09-29 12:03:48 UTC
Tags:
agenttesla stealer

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316541 Sample: file.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 8 other signatures 2->53 7 file.exe 7 2->7         started        11 oehTtBxv.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\oehTtBxv.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp632F.tmp, XML 7->33 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 May check the online IP address of the machine 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 file.exe 15 2 7->13         started        17 powershell.exe 20 7->17         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 67 Injects a PE file into a foreign processes 11->67 21 oehTtBxv.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 wrklearning.com 110.4.45.184, 49788, 49790, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 13->35 37 mail.wrklearning.com 13->37 45 2 other IPs or domains 13->45 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        39 mail.wrklearning.com 21->39 41 192.168.2.1 unknown unknown 21->41 43 api.ipify.org 21->43 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->69 71 Tries to steal Mail credentials (via file / registry access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2023-09-29 08:59:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
11 of 36 (30.56%)
Threat level:
  1/5
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
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
0d66c7716ab774df80a1ceda7ff8afdea6f98c9a3ed84080cbc79e57b503ae21
MD5 hash:
a5d6ea6dbb5d7f0ded46aaf5bc00d32a
SHA1 hash:
efdd70b275b149053b44dfa2abeddcf930246d5e
SH256 hash:
5ab11a933c95891b62f1ba94f38cdf01ded8f19061946601670c430d084dd007
MD5 hash:
24e1d07ed94115e19deac95b30c3af96
SHA1 hash:
bb6c15b4d1cbc2b3307a58af6d0c3d5ec6ce4e09
SH256 hash:
bc6e1487bee00a8fd2b639ee4e60867d7e409bd3cb6be1451f5ddbce26340766
MD5 hash:
fe233bfa89c7e26811c45fec198f7937
SHA1 hash:
6f0af0f155b841786f43b01e0c1c033aa277cdbd
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
5f40cdee2712cc21e0f0f35983524f8b1e94cf29e666e1039deac3f5ec9cf3e3
MD5 hash:
348ccc28bb8c5ccadf1ad4857108d350
SHA1 hash:
8aeddcc3dda3c303aa3222147ca1e194660ceae5
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:NETexecutableMicrosoft
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.

Malspam

AgentTesla

Executable exe 5f40cdee2712cc21e0f0f35983524f8b1e94cf29e666e1039deac3f5ec9cf3e3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments