MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1def028a8d3a11f2e0069cf1b22f68ee8ef54d6c05d4e7f90f1a4966579fd8ab. 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 14 File information Comments

SHA256 hash: 1def028a8d3a11f2e0069cf1b22f68ee8ef54d6c05d4e7f90f1a4966579fd8ab
SHA3-384 hash: 0d1a6edcd33140f20d15d8ac2303588e7f43f315d8daf520b3782b629dfbae9eb623275bfb55cdda94d56cd9a0c10150
SHA1 hash: b804661a691eb878b0db7543075517060c6a5f46
MD5 hash: 90b4ad46b3594fa543bbd36586c07940
humanhash: cup-mockingbird-muppet-maine
File name:1def028a8d3a11f2e0069cf1b22f68ee8ef54d6c05d4e7f90f1a4966579fd8ab
Download: download sample
Signature AgentTesla
File size:854'536 bytes
First seen:2025-04-08 08:33:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'481 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:5E2iNczJ+Wnqn++r46Mtj2Nd02+ryfU5C/zh+DcZgbcLu7GF/kR:21qzM0tj2NV+eMczhiIgY2GFa
Threatray 1 similar samples on MalwareBazaar
TLSH T13305EF48E5C4E9CEC63A16F00D71F7701EA82D9AA800CEDA1FD97D9BB976A105C7C14E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 00e8e8eccce0e800 (1 x Formbook, 1 x SnakeKeylogger, 1 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
350
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
18263ce92d923dada7c9f1533687ee8fe1fa6f1fcca27358ee3c064a7c431640
Verdict:
Malicious activity
Analysis date:
2025-03-26 12:53:01 UTC
Tags:
arch-exec stealer exfiltration smtp ultravnc rmm-tool agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature obfuscated packed packed packer_detected signed vbnet
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
Win32.Hacktool.Mimikatz
Status:
Malicious
First seen:
2025-03-26 12:53:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
18 of 24 (75.00%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
unc_loader_037 agenttesla
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
1def028a8d3a11f2e0069cf1b22f68ee8ef54d6c05d4e7f90f1a4966579fd8ab
MD5 hash:
90b4ad46b3594fa543bbd36586c07940
SHA1 hash:
b804661a691eb878b0db7543075517060c6a5f46
SH256 hash:
8ede82dad7d33c605dad149b89e850ded7cd201c07148fead22226d1e476712a
MD5 hash:
87947a3f59f82118b8ff1571e5491d25
SHA1 hash:
01dabfafb490b7353a593be59ca3a62bbd3f0db1
Detections:
AgentTesla INDICATOR_EXE_Packed_GEN01 win_agent_tesla_bytecodes_sep_2023
SH256 hash:
43c8ea7294c9e3daae1b2286a7ccff055d86c0d35b82e34abd40ea10703a7a8a
MD5 hash:
f1e6fad31210212302a096a12ab4e736
SHA1 hash:
276e29d9adff940cd81f1ba33aa32a5cb28d20d7
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
565225a8561134b4966c139430b4d6945eedd45444d8435a48c6e7f41f7f7e30
MD5 hash:
3aebca61c665584c799acf55900cb26e
SHA1 hash:
3717a4f60d2822dfd8effda5490c93e7ccb38ebc
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV4
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:win_agent_tesla_bytecodes_sep_2023
Author:Matthew @embee_research

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments