MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696
SHA3-384 hash: 0df8384c800589b13f6e7e3e6f2b5b50b34efe773cd0a8822ad88b0c7d183bc071d81cdf6ba73273af61e80a36b0f270
SHA1 hash: 4438fbc600c8d013d25a8b45b757329334dfee3a
MD5 hash: d0497f3106425ac56562fdb456972cef
humanhash: eighteen-magazine-sixteen-washington
File name:FCS SAM PO # 9761.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:950'784 bytes
First seen:2024-06-14 21:14:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:515yC5XYU5DN41CJkKJmI99Qz9rkGLIY7Y1q:573JPk1CVJh99QzxkQ
TLSH T1F715DE85E58855A1DD58ABB12A32CD3152337DBDA874D59C28CE3EAB3BFB7D31021093
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)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696.exe
Verdict:
Malicious activity
Analysis date:
2024-06-14 21:15:18 UTC
Tags:
stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/b2fc04af-33b1-45d6-8b2e-ca2d5a9673ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Win.Dropper.Nanocore-10024150-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666cb45d0f85a8479dc770d9win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Heur Dexter
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
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:
packed vbnet
Link:
https://www.filescan.io/uploads/666cb2dc49a1c8306267071b/reports/47f7650f-ce68-437a-9146-8dccc0c1f182/overview
Verdict:
Malicious
Labled as:
Ransom.Loki.Generic
Link:
https://www.hybrid-analysis.com/sample/66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696
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/0e3bde77-bcb9-4585-acd2-b8b9892046ab
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1457557
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Snort IDS alert for network traffic
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1457557 Sample: FCS SAM PO # 9761.exe Startdate: 14/06/2024 Architecture: WINDOWS Score: 100 57 mail.clslk.com 2->57 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 15 other signatures 2->67 8 FCS SAM PO # 9761.exe 7 2->8         started        12 niPCCh.exe 5 2->12         started        14 boqXv.exe 2->14         started        16 boqXv.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\niPCCh.exe, PE32 8->49 dropped 51 C:\Users\user\...\niPCCh.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp63EB.tmp, XML 8->53 dropped 55 C:\Users\user\...\FCS SAM PO # 9761.exe.log, ASCII 8->55 dropped 83 Writes to foreign memory regions 8->83 85 Allocates memory in foreign processes 8->85 87 Adds a directory exclusion to Windows Defender 8->87 89 Injects a PE file into a foreign processes 8->89 18 RegSvcs.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        91 Antivirus detection for dropped file 12->91 93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 59 mail.clslk.com 50.87.253.239, 49735, 49737, 587 UNIFIEDLAYER-AS-1US United States 18->59 47 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 18->47 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 73 Loading BitLocker PowerShell Module 23->73 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->75 77 Tries to steal Mail credentials (via file / registry access) 29->77 79 Tries to harvest and steal ftp login credentials 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 45 conhost.exe 31->45         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-06-13 16:44:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
61
AV detection:
29 of 38 (76.32%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3wn3huc424ctxce5dvys4depe6mibijeb6q43rnwyi76czpg2la._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240614-z3wfnazepm/
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
Link:
https://www.unpac.me/results/b3ea6416-80e0-41fa-b6b5-86fcda8f8548/
Parent samples :
82cbe9fc57abd337a5bf0d0d478ae7fb9158987c1d7c5006b20e309c06329ae8
804aee8eba800043c912038c55c36edeb8dd761913047e99b4a5e8d8cb8ef6c4
SH256 hash:
7db1a609c99439cbf44b3eb8dd81a0a4e2607f56f89440b04625c7458a2f84e5
MD5 hash:
cbe783d9603a52dd40d97e0a036d4bd3
SHA1 hash:
9e1426fae143bffbe6669b15083091652aca7d87
Link:
https://www.unpac.me/results/b3ea6416-80e0-41fa-b6b5-86fcda8f8548/
SH256 hash:
7f572051d4fc30c337673cc0a46163ffc5ca32f15e598ce65fbf05012c1f8ef1
MD5 hash:
276478ab07d3b09e209a31260849fb9f
SHA1 hash:
79046c42b12edb791845084983c984290dac1cdb
Link:
https://www.unpac.me/results/b3ea6416-80e0-41fa-b6b5-86fcda8f8548/
SH256 hash:
3094e5f556a928f12da28c70e1eb032e356334382316ddfeac73f6ba84f11e36
MD5 hash:
a295b18a0e1e2cab73d6f085b0f15a87
SHA1 hash:
0bf386b0b05e4b3befeaa96df36fbb1cfdbb1494
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/b3ea6416-80e0-41fa-b6b5-86fcda8f8548/
Parent samples :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 hash:
66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696
MD5 hash:
d0497f3106425ac56562fdb456972cef
SHA1 hash:
4438fbc600c8d013d25a8b45b757329334dfee3a
Link:
https://www.unpac.me/results/b3ea6416-80e0-41fa-b6b5-86fcda8f8548/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66ecdd9e82e6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696

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:NET
Create hunting rule
Author:malware-lu
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 66ecdd9e82e6b829dc44e8eb897064793cc40509207d0e6e2db611ff0b2f3696

(this sample)

  
Delivery method
Distributed via e-mail attachment

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