MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbbec0f6437f2c3011d56af0dfa5d7d58885cf3be3d690cc17f3b8446ca589d0. 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: 18


Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash: dbbec0f6437f2c3011d56af0dfa5d7d58885cf3be3d690cc17f3b8446ca589d0
SHA3-384 hash: 246169711b2204938c612b869c9778a135ff4617d06e14f7a2a7b01eaba1615fecb5385cf43784cf0960d9a931bfd405
SHA1 hash: d8f0b7e001f3ddced675b631cd7d273331995ddd
MD5 hash: 062374dadf889baa531a6e4caada7671
humanhash: kitten-chicken-mockingbird-mexico
File name:SecuriteInfo.com.Win32.PWSX-gen.22951.7290
Download: download sample
Signature AgentTesla
File size:698'368 bytes
First seen:2024-04-16 03:22:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lHntejsKTXT2wewN+wcZ2dSkUQhaFDvlqOC:vejTj2fQdSkJalqOC
Threatray 430 similar samples on MalwareBazaar
TLSH T130E41285B3AC2F17E57D4BF44520641947B23A2B3574F28E5CD220EB19B1F80ABA1F67
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 004000c8c8004000 (6 x AgentTesla, 6 x Formbook, 4 x Neshta)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
dbbec0f6437f2c3011d56af0dfa5d7d58885cf3be3d690cc17f3b8446ca589d0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-16 03:25:38 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1426457 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 16/04/2024 Architecture: WINDOWS Score: 100 55 us2.smtp.mailhostbox.com 2->55 57 api.ipify.org 2->57 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 9 other signatures 2->69 8 SecuriteInfo.com.Win32.PWSX-gen.22951.7290.exe 7 2->8         started        12 eZplQf.exe 5 2->12         started        14 mpTrle.exe 2->14         started        16 mpTrle.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\eZplQf.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp770A.tmp, XML 8->53 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 8->83 85 Writes to foreign memory regions 8->85 87 Allocates memory in foreign processes 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        37 3 other processes 8->37 91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 95 Injects a PE file into a foreign processes 12->95 27 RegSvcs.exe 12->27         started        29 schtasks.exe 12->29         started        31 RegSvcs.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 59 us2.smtp.mailhostbox.com 208.91.199.224, 49709, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 61 api.ipify.org 104.26.12.205, 443, 49707, 49711 CLOUDFLARENETUS United States 18->61 49 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 18->49 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 73 Loading BitLocker PowerShell Module 23->73 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 25->43         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->75 77 Tries to steal Mail credentials (via file / registry access) 27->77 79 Tries to harvest and steal browser information (history, passwords, etc) 27->79 45 conhost.exe 29->45         started        81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 37->81 47 conhost.exe 37->47         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-04-16 00:02:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
2b5cc12a9e8b092bacfb15f7b555336a3df0599eb947d94db6003d072c20bb08
MD5 hash:
5bcf5f4de34b4b05b78d3220db663461
SHA1 hash:
748e51224f77eebdb4959459c86fa4cbd6cee0d2
SH256 hash:
6ced27e537e728045e154d39a4728b440e491727ed0f1ea19c59fee655d06607
MD5 hash:
8870db921d6f67942bd27739db45f399
SHA1 hash:
35ebfe209703af31bcef577b73ca04eec1d3d296
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
5a9e64482afd6406319b956396c12b8e165f2d2e95ecda530bbbcd436e52f6e2
MD5 hash:
e7cd8fd81000b26f810afc96c537be95
SHA1 hash:
2959baf46a5d0c671530fc5f2a1e34a7eed6958f
SH256 hash:
8ddf55b5aec0c23dc6c45c5217a2159f4e73d408d0ea4c4584b54f344a83cddc
MD5 hash:
10363f176c8edf88a080aca4c16f492e
SHA1 hash:
1a978b05f2046c154594c4ec8c6b70e37190c13d
SH256 hash:
dbbec0f6437f2c3011d56af0dfa5d7d58885cf3be3d690cc17f3b8446ca589d0
MD5 hash:
062374dadf889baa531a6e4caada7671
SHA1 hash:
d8f0b7e001f3ddced675b631cd7d273331995ddd
Malware family:
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 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:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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