MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66d9239944d23d3680e32ff7044a29b44ac945379cdca227ba5b51f75d252a53. 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 14 File information Comments

SHA256 hash: 66d9239944d23d3680e32ff7044a29b44ac945379cdca227ba5b51f75d252a53
SHA3-384 hash: 30183a0cf9a4d227adcd8139df1884bc09a675d5ae72b6f0efe3beb66563c1c493c467fe59133b55a0e3c4d3ee6a1770
SHA1 hash: e6e3b6d56ee0ee4d2d85bf3f65932f9968904421
MD5 hash: 82277fef18809d9e5d74ed020a6fcde2
humanhash: neptune-item-don-fish
File name:IMG_Scan-New PO #PSB-17398902, PSB-18384789.exe
Download: download sample
Signature AgentTesla
File size:678'912 bytes
First seen:2024-02-13 18:46:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:6xMVeQ5vziicCjDFP36DqTXJizXh5byEpEeyJGcAI6fho+8T5BOU:rriiTdP+EYXh9Fpo9A5fhwBOU
TLSH T12BE423257484032BC5A88BFCACF40581D37DB18126A0E7DD9EE534DC67B77839252AEB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter JAMESWT_WT
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
360
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
66d9239944d23d3680e32ff7044a29b44ac945379cdca227ba5b51f75d252a53.exe
Verdict:
Malicious activity
Analysis date:
2024-02-13 18:48:29 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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed shell32
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391644 Sample: IMG_Scan-New PO #PSB-173989... Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 47 mail.commtechtrading.com 2->47 49 commtechtrading.com 2->49 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 16 other signatures 2->61 8 lBmdStPvzxeR.exe 5 2->8         started        11 IMG_Scan-New PO #PSB-17398902, PSB-18384789.exe 7 2->11         started        signatures3 process4 file5 63 Antivirus detection for dropped file 8->63 65 Multi AV Scanner detection for dropped file 8->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->67 69 Machine Learning detection for dropped file 8->69 14 lBmdStPvzxeR.exe 8->14         started        17 schtasks.exe 8->17         started        19 lBmdStPvzxeR.exe 8->19         started        21 lBmdStPvzxeR.exe 8->21         started        43 C:\Users\user\AppData\...\lBmdStPvzxeR.exe, PE32 11->43 dropped 45 C:\Users\user\AppData\Local\...\tmpF3D3.tmp, XML 11->45 dropped 71 Adds a directory exclusion to Windows Defender 11->71 73 Injects a PE file into a foreign processes 11->73 23 IMG_Scan-New PO #PSB-17398902, PSB-18384789.exe 2 11->23         started        26 powershell.exe 23 11->26         started        28 powershell.exe 23 11->28         started        30 3 other processes 11->30 signatures6 process7 dnsIp8 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->75 77 Tries to steal Mail credentials (via file / registry access) 14->77 79 Tries to harvest and steal browser information (history, passwords, etc) 14->79 32 conhost.exe 17->32         started        51 commtechtrading.com 173.236.63.6, 49715, 49718, 587 SINGLEHOP-LLCUS United States 23->51 34 conhost.exe 26->34         started        37 conhost.exe 28->37         started        39 WmiPrvSE.exe 28->39         started        41 conhost.exe 30->41         started        signatures9 process10 signatures11 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->53
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-13 11:33:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
4f9e76a2dcfeb9f3399243bfbb2884718af6ef049e4f91e06147e922eb847797
MD5 hash:
9a65b87dc4c95fe0f6fa4b941930444a
SHA1 hash:
85eb5e28f35a8d565a78347f462c6d3d906f03d6
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:
fe28a4bd94607da0d4a77febd6f074608ee40b535422b7859c96d24d5d3a4175
MD5 hash:
f1c5a4c9313d1f4a7aefb01f2303e4c9
SHA1 hash:
4d1df4d20d2545af4b6bba126004ee3269b06f53
SH256 hash:
5bc2baf6193b3a23592c7326ce335314e6a9d7b9f89fa5b6b9f163cabf87e7b9
MD5 hash:
75488e9527b1122c8ec270ac9ae4c295
SHA1 hash:
27a6870adce15ceaec331f3b705ab09f4c5eba3b
SH256 hash:
3dff12ee9183149386bfb90aa8bb671f57201de4e1157b79dd22fea45d837562
MD5 hash:
02e3968ff81ca78205efb912d981ea81
SHA1 hash:
0846251d2774064940f11617e1b15b2eb63834aa
SH256 hash:
66d9239944d23d3680e32ff7044a29b44ac945379cdca227ba5b51f75d252a53
MD5 hash:
82277fef18809d9e5d74ed020a6fcde2
SHA1 hash:
e6e3b6d56ee0ee4d2d85bf3f65932f9968904421
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: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: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_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Comments