MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa
SHA3-384 hash: b9c1bed169c76c9ef4279fd09f9d2c58a95e29a591f035d96a313c4f5ee006c57292d84b4c4670d3de2ea221bf22f54f
SHA1 hash: 9a7feaf7ddc3f084101d8708e7e2799a43a6011c
MD5 hash: 625e192b897bb77cca5f84c8c8313a38
humanhash: december-magazine-orange-hotel
File name:4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa
Download: download sample
Signature AgentTesla
Create hunting rule
File size:425'472 bytes
First seen:2023-09-06 09:59:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:z0GWSwe0wJhSe8fsgA1Zd/vk4s50lUTrusYjWSHwXe533:z0WxXBIyZd3kn50e35YOe5
TLSH T1D4946007BA468DF3D36B1BF6C5CB17004BA8DA813627DB1F394A33A637033AA9951547
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa
Verdict:
Malicious activity
Analysis date:
2023-09-06 09:58:52 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/14405977-e0c4-4594-a2eb-8128d6893f30

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/446520/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.783.21707.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% directory
Launching a process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lolbin packed replace
Link:
https://www.filescan.io/uploads/64f84da3560864d1b6761c65/reports/6687c58b-e233-4b9c-9022-6aa548a104bb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7981ffbb-e252-4638-89f1-d4a18de08d25
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1304201
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
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 steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1304201 Sample: U3gOA3w13Z.exe Startdate: 06/09/2023 Architecture: WINDOWS Score: 100 33 tse1.mm.bing.net 2->33 63 Snort IDS alert for network traffic 2->63 65 Found malware configuration 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 9 other signatures 2->69 8 wscript.exe 1 2->8         started        11 U3gOA3w13Z.exe 15 6 2->11         started        signatures3 process4 dnsIp5 75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->75 15 Uceai.exe 14 5 8->15         started        37 xkalow.ch.files.1drv.com 11->37 39 web.fe.1drv.com 11->39 41 2 other IPs or domains 11->41 29 C:\Users\user\AppData\Roaming\Uceai.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\Roaming\...\Uceai.vbs, ASCII 11->31 dropped 77 Drops VBS files to the startup folder 11->77 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->79 81 Writes to foreign memory regions 11->81 83 Injects a PE file into a foreign processes 11->83 19 MSBuild.exe 14 2 11->19         started        file6 signatures7 process8 dnsIp9 43 xkalow.ch.files.1drv.com 15->43 45 web.fe.1drv.com 15->45 49 2 other IPs or domains 15->49 51 Antivirus detection for dropped file 15->51 53 Multi AV Scanner detection for dropped file 15->53 55 Machine Learning detection for dropped file 15->55 61 3 other signatures 15->61 21 MSBuild.exe 15->21         started        25 MSBuild.exe 15->25         started        27 MSBuild.exe 15->27         started        47 discord.com 162.159.137.232, 443, 49716, 49742 CLOUDFLARENETUS United States 19->47 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->57 59 Tries to steal Mail credentials (via file / registry access) 19->59 signatures10 process11 dnsIp12 35 discord.com 21->35 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 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-24 17:36:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvn7mgii2thnw647jxefpzgenh4p5mnxxw2m2ymqy2h6l3m2x2va._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230906-l1mtvaef51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1139308925372612740/DHsNMaszG7T-h1ZAkQwGI6lJZd36TcicG2FbUZr61zo_EIXVHOBVpxqQLEmvF2NhLmGx
Unpacked files
SH256 hash:
4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa
MD5 hash:
625e192b897bb77cca5f84c8c8313a38
SHA1 hash:
9a7feaf7ddc3f084101d8708e7e2799a43a6011c
Link:
https://www.unpac.me/results/a362f3c4-fc10-47a8-9fd3-5ee7732bc578/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d5bf61908d4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4d5bf61908d4cedb7b9f4dc857e4c469f8feb1b7bdb4cd6190c68fe5ed9abeaa

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/446520/

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