MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15bee5f27c8e807fca30b704600b5f4ffa67a5fa80d51bb444c42d52c9020cef. 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 15 File information Comments

SHA256 hash: 15bee5f27c8e807fca30b704600b5f4ffa67a5fa80d51bb444c42d52c9020cef
SHA3-384 hash: 593019f27c00eac709700bc372635c428c80b289524905e84912161ebde269f435b1fd4ee71a0d72cc948294c169eb86
SHA1 hash: 0fe3cc81e2d4f294d80a8428783a72eb8cd82c6e
MD5 hash: 8a7ea7ff5e5cce2ca107a23aeb40b4e3
humanhash: pluto-delta-east-sweet
File name:rScan_IMG-PaymentSheet_TillFEBUARY2024....pdf.exe
Download: download sample
Signature AgentTesla
File size:769'536 bytes
First seen:2024-02-28 12:16:05 UTC
Last seen:2024-02-28 14:28:54 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:C8S+oGOKcbWAL9bW9ezgqZDKogif+UPJsXf4vIUeVfvGMbvk1RsXS38Mc14hhjwd:RAL9iyga+ogimUmXgRnMY1RRg8hcH
TLSH T130F4E019237CAF76E77A43F454A098504BF1211FA53EE68A0EC264CB2A71FA05F52F53
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) (4504/4/1)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
389
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
15bee5f27c8e807fca30b704600b5f4ffa67a5fa80d51bb444c42d52c9020cef.exe
Verdict:
Malicious activity
Analysis date:
2024-02-28 12:18:20 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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, PureLog Stealer
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 array initializations
Adds a directory exclusion to Windows Defender
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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 PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1400166 Sample: rScan_IMG-PaymentSheet_Till... Startdate: 28/02/2024 Architecture: WINDOWS Score: 100 44 mail.commtechtrading.com 2->44 46 commtechtrading.com 2->46 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 13 other signatures 2->56 8 rScan_IMG-PaymentSheet_TillFEBUARY2024....pdf.exe 7 2->8         started        12 WEvGPrV.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\Roaming\WEvGPrV.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9BAA.tmp, XML 8->42 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 rScan_IMG-PaymentSheet_TillFEBUARY2024....pdf.exe 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 68 Injects a PE file into a foreign processes 12->68 24 WEvGPrV.exe 12->24         started        26 schtasks.exe 12->26         started        28 WEvGPrV.exe 12->28         started        signatures6 process7 dnsIp8 48 commtechtrading.com 173.236.63.6, 587 SINGLEHOP-LLCUS United States 14->48 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->70 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 38 conhost.exe 26->38         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-28 07:10:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
Checks computer location settings
Reads WinSCP keys stored on the system
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:
32f09f307a26473dfb70a7592d2071922185c51c578102998b4972ab744c2afc
MD5 hash:
640765dd7a671c33db3d2a59f2edb05c
SHA1 hash:
fc5062fc651a0bda05f572dd5c8af38959e4f7ac
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
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:
a1641e650531f49b704a7097303941766fbbbc355e96d9a38d37ee59fcfbf803
MD5 hash:
503070be34bb3b7304901df0c718a291
SHA1 hash:
1bfcaebc578fc50415b9c56e254cf7a412bd12d8
SH256 hash:
15bee5f27c8e807fca30b704600b5f4ffa67a5fa80d51bb444c42d52c9020cef
MD5 hash:
8a7ea7ff5e5cce2ca107a23aeb40b4e3
SHA1 hash:
0fe3cc81e2d4f294d80a8428783a72eb8cd82c6e
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: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:NET
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.

Malspam

AgentTesla

Executable exe 15bee5f27c8e807fca30b704600b5f4ffa67a5fa80d51bb444c42d52c9020cef

(this sample)

  
Delivery method
Distributed via e-mail attachment

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