MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa94a5c024e6156dd957cf797e393b8ccaf125491763cb97a8fdaaa9c8803940. 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 2 File information Comments

SHA256 hash: fa94a5c024e6156dd957cf797e393b8ccaf125491763cb97a8fdaaa9c8803940
SHA3-384 hash: e598617ca72d308f5051dd0a207d248b667fed715efb29a11147902e5894a77bd130855451c048bc0d48334c665972c6
SHA1 hash: 2d78dc803eedc9058ddd8898565fde2699de75fb
MD5 hash: 0bcb54c360edfe2011c5ff9013d97c44
humanhash: pluto-six-magazine-island
File name:documents.exe
Download: download sample
Signature AgentTesla
File size:756'736 bytes
First seen:2023-07-19 13:26:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2S998yfb/WT4UkuZb5ogoO2+8zonZAh+KU4IoDm0VW0jPFbHnYPt0dAA:t9RfzW/Zb5oXdV2pgbjnVA
Threatray 965 similar samples on MalwareBazaar
TLSH T1BEF4C0E47340D0AEC8578579C9369EA3B523A55E8E1D820E2883BF4F7D2E34785174EB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
documents.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 13:31:08 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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 Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1275996 Sample: documents.exe Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 9 other signatures 2->59 7 documents.exe 7 2->7         started        11 ToNrzqOZaRduos.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\ToNrzqOZaRduos.exe, PE32 7->35 dropped 37 C:\...\ToNrzqOZaRduos.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpAB01.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...\documents.exe.log, ASCII 7->41 dropped 61 Detected unpacking (changes PE section rights) 7->61 63 Detected unpacking (overwrites its own PE header) 7->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 75 2 other signatures 7->75 13 documents.exe 15 7 7->13         started        17 powershell.exe 19 7->17         started        19 powershell.exe 20 7->19         started        25 2 other processes 7->25 67 Antivirus detection for dropped file 11->67 69 Multi AV Scanner detection for dropped file 11->69 71 May check the online IP address of the machine 11->71 73 Machine Learning detection for dropped file 11->73 21 ToNrzqOZaRduos.exe 11->21         started        23 schtasks.exe 11->23         started        signatures5 process6 dnsIp7 43 api4.ipify.org 104.237.62.211, 443, 49717 WEBNXUS United States 13->43 45 api.telegram.org 149.154.167.220, 443, 49718, 49719 TELEGRAMRU United Kingdom 13->45 47 api.ipify.org 13->47 77 Installs a global keyboard hook 13->77 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        49 173.231.16.76, 443, 49720 WEBNXUS United States 21->49 51 api.ipify.org 21->51 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->79 81 Tries to steal Mail credentials (via file / registry access) 21->81 83 Tries to harvest and steal browser information (history, passwords, etc) 21->83 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-07-18 07:21:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 25 (84.00%)
Threat level:
  2/5
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 SetWindowsHookEx
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6286742839:AAEBPY8dNKiSbc20pxOzagMixRMMK1n0Jro/
Unpacked files
SH256 hash:
e1b688544967c21a4c533d9a7344f2d0c0fc36fece1680ea32703d1426b68851
MD5 hash:
69eb2fa4cdfdfe90277f14761c90376a
SHA1 hash:
f8fa0fbc6b67277e72312d9f1ca62be21dd3a3f5
SH256 hash:
c1796a8cf6be4b31342d3ba730ee278132be920a0b0946531edfd5d3ab2415ef
MD5 hash:
594173a93a04d2b9ed53ee505a9d418b
SHA1 hash:
f2c5e775bf98475700c428dd92c2d25ee330e96b
SH256 hash:
3f68cc843eb3b2a764dc02355e2e3f97dce8f1164d6f18a4f77e850410dfc137
MD5 hash:
60126f10641986bbcefca9ed6159994b
SHA1 hash:
df584155d49b10805f1f0d81a758e98b23990815
SH256 hash:
19d80e47e9690201b870232c15cb35aface882bf726fc7db5e91a18869ec2c3e
MD5 hash:
b90891f9d7c2c1b6bc92b476ad178024
SHA1 hash:
c2c8df49d9a066176df2c5a24a7a068ffb1696d8
Detections:
AgentTeslaXorStringsNet
SH256 hash:
fa94a5c024e6156dd957cf797e393b8ccaf125491763cb97a8fdaaa9c8803940
MD5 hash:
0bcb54c360edfe2011c5ff9013d97c44
SHA1 hash:
2d78dc803eedc9058ddd8898565fde2699de75fb
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: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