MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
SHA3-384 hash: 1459aae32b0eddefe8c49d0c39ac4a7ea9a7dd96b38fe65552153f74143686b7e0b5c256613d6738bf0b495444b8f025
SHA1 hash: 438ad17788c6c155b9bacd5649f43c09c4cdb77b
MD5 hash: 103ea4b28710ffe97ec72422b707e71d
humanhash: uncle-purple-kitten-autumn
File name:133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
Download: download sample
Signature AgentTesla
Create hunting rule
File size:243'200 bytes
First seen:2023-12-11 13:22:21 UTC
Last seen:2023-12-18 08:50:49 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 3072:2OAA0QcQHKhaKdH76VaDfbQUz2pAft5vETH7aB:XAA0QcQHKhaKdb0aDf8Uz2pAf0Tba
Threatray 3'493 similar samples on MalwareBazaar
TLSH T198340D037E48EB15E5A87E3792EF6C2413B2B0C71733C20B6F49AB6528516825D7E72D
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 :
2
# of downloads :
224
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/465129/
Detection(s):
Win.Packed.Msilperseus-9956591-0
Create hunting rule

Win.Packed.Generic-10003641-0
Create hunting rule

Win.Packed.Generic-10011753-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Creating a window
Setting a keyboard event handler
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm control evasive fingerprint hacktool hook keylogger lolbin phishing remote replace stealer
Link:
https://www.filescan.io/uploads/65770dcbda3178d99ce1685a/reports/dcfc778c-618e-4cb6-a9ce-37eda9c58e32/overview
Verdict:
Malicious
Labled as:
Dacic.64A56CA5.A.Generic
Link:
https://www.hybrid-analysis.com/sample/133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98165086-31dc-467c-a568-5de3acf57d59
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1360108
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-12-11 14:28:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cm7m65o6t7po2juny5dk7r7mdlrpckhcbdcb26zxwun7o2cd762a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0326c4ad07721087e1233d322222f2b787e19f9e795cf6c46d36f6e69d482826
AgentTesla
133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
AgentTesla
3f0b8cf01f75b4a227b38b31f39f3d64ae9a552c64fd66e50077b96bda280b52
AgentTesla
4addfc44ac782f7f180bae561f244800c583e7fb113b7875fc34819badfe0d3e
AgentTesla
9805cd71abcb329f3de9145eb2be4b2f08a5b90ef450f3cad5bf9a31c2fa6668
AgentTesla
afa51f3ed1e632fb81a829606a5fb23f6e4197b70d4c27f23a8ca6ccbaa0ddd7
AgentTesla
+ 3'483 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231211-qnfxzsfegr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
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:
133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
MD5 hash:
103ea4b28710ffe97ec72422b707e71d
SHA1 hash:
438ad17788c6c155b9bacd5649f43c09c4cdb77b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/c7663fdb-f1c9-46dc-a798-9d854fe1f964/
Parent samples :
133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4
ff35d25496862b10860706136636b1001bd46f42856bd75fb4f8c32ca2fa05c0
e5ba53de1a80eda27337da32ad9bf522473c542fc42a434fff3fc843cbdf88ed
b091bf4326241b1053f88a1a47618fee3f87ccdce873a9bb79e653670b7e4948
8d693225be9e1f824c20f3bc2f71a9c21e87a2b32bca274580b7abad75ecacbb
7d5f3816a87af0cb1b95e4db31fd3aacfe6d47d75c9e83b5f378a6d133584248
486d2fae164dfd24b2d443ffd775d83f33136a746bded12f3e05cade26bacd24
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/133ecf75de9f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
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.

Malspam

AgentTesla

Executable exe 133ecf75de9fdeed268dc746afc7ec1ae2f128e208c41d7b37b51bf76843ffb4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/465129/

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