MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 742993e653953f9d040439ba720e56b5757420927bfe385648f15dc98dd8c25f. 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 3 File information Comments

SHA256 hash: 742993e653953f9d040439ba720e56b5757420927bfe385648f15dc98dd8c25f
SHA3-384 hash: ba62b4fe5d327c0fd5685c109151cdc1c44df365936cdb79bed9e0ebdaa429537604620dad4a152048b33896c3a006f5
SHA1 hash: 5e5f417ff07d2cf455cabc2ace23a3ddb556ff16
MD5 hash: 4846c5a338df42f18f00c1dff599ea43
humanhash: four-burger-hamper-uncle
File name:factura.exe
Download: download sample
Signature AgentTesla
File size:624'640 bytes
First seen:2023-11-20 07:31:59 UTC
Last seen:2023-11-20 09:31:29 UTC
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:q0V7g6jJRjqgbNkvDmr/xBEdXSLNe+78AqE6oO5Kf21F8/nMx07:qYXryvDy5QCLNe+78g6o1fZye
TLSH T105D4120833EAC739D96EB77A90B143551B71A9516837E34E1FA592B93E26FC0CA81F10
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)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
factura.exe
Verdict:
Malicious activity
Analysis date:
2023-11-20 07:33:58 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
Using the Windows Management Instrumentation requests
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
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
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1344998 Sample: factura.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 40 cp5ua.hyperhost.ua 2->40 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 7 other signatures 2->50 8 factura.exe 7 2->8         started        12 ukRsqIsiYls.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\ukRsqIsiYls.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpF458.tmp, XML 8->38 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Adds a directory exclusion to Windows Defender 8->56 14 factura.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 24 ukRsqIsiYls.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 cp5ua.hyperhost.ua 91.235.128.141, 49704, 49705, 49706 ITLASUA Ukraine 14->42 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->64 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-13 05:23:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
1111dafc3dedb09240401594b345d95c8e206fbebf518032b9461508ba011f11
MD5 hash:
65986d33e4b49413f5ff9d0ecf59d5fd
SHA1 hash:
da7235375ebc6ca729b079cbc6ae2474733e3500
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
8ec5689aa596a7dabe3865fc558d0f6a2a75b661e052c6d274181dffe93b06b4
MD5 hash:
c0a84ebd42724e51ea991d1fa13389b6
SHA1 hash:
6fec18fcf051e8f0ae9dfff060351e8737cedc43
SH256 hash:
62757af7ce2dcfe188245dd26d85e233c2ded82311c600c7c8ec83c8c8a071b2
MD5 hash:
804cc8416b7db140f03d251ca3abbf00
SHA1 hash:
1a1160f7db639606a1046b555b08a43035aff960
SH256 hash:
742993e653953f9d040439ba720e56b5757420927bfe385648f15dc98dd8c25f
MD5 hash:
4846c5a338df42f18f00c1dff599ea43
SHA1 hash:
5e5f417ff07d2cf455cabc2ace23a3ddb556ff16
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.

Malspam

AgentTesla

Executable exe 742993e653953f9d040439ba720e56b5757420927bfe385648f15dc98dd8c25f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments