MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0. 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 14 File information Comments

SHA256 hash: 3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0
SHA3-384 hash: 380f1b8cc75ab08a8ac9a37c785886cd4fb7c8d17e7de56b872dbd60ad223759094faaaa584de654b3318bfc8c374ceb
SHA1 hash: f3ca6f75cba4394e2b52792c12bd0988673e7560
MD5 hash: d33d4e3f2ee5d8629f2deedbdbfe5199
humanhash: robert-music-batman-ceiling
File name:cargo_023354663.exe
Download: download sample
Signature AgentTesla
File size:759'296 bytes
First seen:2023-11-20 06:51:22 UTC
Last seen:2023-11-20 14:14:43 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 12288:6elc5Fqrvh3ukGR8FFkbYJeu+yk5uvlWwjFLGTe/+SSS3sOiVdiaPVm+Z:yfuvRVMcflcOCicJZ
TLSH T117F4F63C5B9ED26B9DB9C6A6CBC1C41BF340B9A7320CAEE5ACD30355931291674C523E
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 :
318
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
cargo_023354663.exe
Verdict:
Malicious activity
Analysis date:
2023-11-20 06:54:29 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: 1344967 Sample: cargo_023354663.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 57 us2.smtp.mailhostbox.com 2->57 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for dropped file 2->65 67 14 other signatures 2->67 8 cargo_023354663.exe 7 2->8         started        12 KZkzSiXud.exe 5 2->12         started        14 Micosoft Excel 2023.exe 2->14         started        16 Micosoft Excel 2023.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\Roaming\KZkzSiXud.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmpA00F.tmp, XML 8->55 dropped 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Adds a directory exclusion to Windows Defender 8->81 18 cargo_023354663.exe 1 5 8->18         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 27 KZkzSiXud.exe 4 12->27         started        29 schtasks.exe 1 12->29         started        31 Micosoft Excel 2023.exe 14->31         started        33 schtasks.exe 14->33         started        35 Micosoft Excel 2023.exe 16->35         started        37 schtasks.exe 16->37         started        signatures6 process7 dnsIp8 59 us2.smtp.mailhostbox.com 208.91.198.143, 49710, 49713, 49716 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 49 C:\Users\user\...\Micosoft Excel 2023.exe, PE32 18->49 dropped 51 Micosoft Excel 2023.exe:Zone.Identifier, ASCII 18->51 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Tries to steal Mail credentials (via file / registry access) 18->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->73 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        75 Tries to harvest and steal browser information (history, passwords, etc) 31->75 45 conhost.exe 33->45         started        47 conhost.exe 37->47         started        file9 signatures10 process11
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-18 09:41:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 37 (62.16%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
Adds Run key to start application
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
MD5 hash:
c44b18d1c80a159d8dbd5addf08c57bd
SHA1 hash:
899f94a9504ec011830549f5315166cb17d10254
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:
84307ad19a415406837cd2fe3a635f07e9244bbf059fcc697bc16c2337a84fe7
MD5 hash:
7973934d4a2dfe7dcd27f742f6e49172
SHA1 hash:
01de2cde239ddf7f2ff02ef2cc9a81ad0e6ce93c
SH256 hash:
3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0
MD5 hash:
d33d4e3f2ee5d8629f2deedbdbfe5199
SHA1 hash:
f3ca6f75cba4394e2b52792c12bd0988673e7560
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: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_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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 3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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