MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0. 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 7 File information Comments

SHA256 hash: 3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0
SHA3-384 hash: bf9592820aeb697703a52c763764a36992738ec027cac36fe9a8033f9c8f250b0a656f2770564ce93415ece8e70d6099
SHA1 hash: 0830bda9d8c4324dadef074ab53dd388f8f68d06
MD5 hash: 2821589513c6dad441459f93bf319e63
humanhash: asparagus-monkey-four-xray
File name:Ref_50102_607UU.exe
Download: download sample
Signature AgentTesla
File size:843'272 bytes
First seen:2024-10-09 06:58:27 UTC
Last seen:2024-10-10 08:04:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:J6PpN6C39UD4981ekRIvwWzrfbGUEb67yTDaWJwkl6ZzSrhVROTKmEPpBkR:DCv9oe8WfTVE4yKmwizkEPm
Threatray 2'156 similar samples on MalwareBazaar
TLSH T1ED05CF1476948F93CA7587F43872E47123FC1FAEA42AE2655DC16EEBB9A1F004950F83
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)
Magika pebin
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
399
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Ref_50102_607UU.exe
Verdict:
Malicious activity
Analysis date:
2024-10-09 07:33:32 UTC
Tags:
evasion stealer agenttesla ftp exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Powershell Lien
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature overlay packed signed
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
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, 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: 1529662 Sample: Ref_50102_607UU.exe Startdate: 09/10/2024 Architecture: WINDOWS Score: 100 46 ip-api.com 2->46 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 10 other signatures 2->56 8 Ref_50102_607UU.exe 7 2->8         started        12 wvQCFzzEN.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\wvQCFzzEN.exe, PE32 8->38 dropped 40 C:\Users\...\wvQCFzzEN.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD8B0.tmp, XML 8->42 dropped 44 C:\Users\user\...\Ref_50102_607UU.exe.log, ASCII 8->44 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->62 68 3 other signatures 8->68 14 Ref_50102_607UU.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 24 wvQCFzzEN.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 ip-api.com 208.95.112.1, 49711, 49714, 80 TUT-ASUS United States 14->48 70 Loading BitLocker PowerShell Module 18->70 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        72 Tries to steal Mail credentials (via file / registry access) 24->72 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Stealerc
Status:
Malicious
First seen:
2024-10-09 06:06:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f40f38216c97f156f354eded52aafd8786d75672b5015f5c71c2d9a7d5a614c9
MD5 hash:
d11c3f28249b76378d62adcba8bf7479
SHA1 hash:
c85adfb28f42bfc5c196239870251df6aed8cd14
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 MALWARE_Win_AgentTeslaV2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
4921d871454ad46d8625d0ffabf780558234fd20a1f5177ef6e815dabbda38c7
MD5 hash:
3ead74e89eb19f314bdd26aa586e2da2
SHA1 hash:
79bc421aa1f293971e98558ce614ed2df02c4a94
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0
MD5 hash:
2821589513c6dad441459f93bf319e63
SHA1 hash:
0830bda9d8c4324dadef074ab53dd388f8f68d06
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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 3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0

(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

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