MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe. 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: 15


Intelligence 15 IOCs YARA 17 File information Comments
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SHA256 hash: 4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe
SHA3-384 hash: 2d3774ea41a210702071b0cad10ecc177f78019186a5343a893f300b590f90c70578e4bb81fc7072407d27f982182fe7
SHA1 hash: c87bf6c1988179062fa05833fa807b3056374c1d
MD5 hash: 9caffcd254391a3282cb59565c19fe06
humanhash: neptune-edward-freddie-mobile
File name:SecuriteInfo.com.Win32.PWSX-gen.23026.7620
Download: download sample
Signature AgentTesla
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File size:711'680 bytes
First seen:2023-12-04 02:44:27 UTC
Last seen:2023-12-04 08:54:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:IVi20xAn87LdAIHBmw4YmiqNKLMWozBY3DQl4:Z2gh9HBR7LMXBY3DL
TLSH T101E48D027384DF21C52F15B6C8A3C6F81727AE40DD04A7DB76C5FF1A79F22AA6952483
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
325
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462210/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.23026.7620.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade monero packed
Link:
https://www.filescan.io/uploads/656d3d336d3af192267a12a4/reports/1d05efd5-bff8-4896-8ff0-196a2fade288/overview
Verdict:
Malicious
Labled as:
Ransom.Loki.Generic
Link:
https://www.hybrid-analysis.com/sample/4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f063d72a-9aa6-4405-8c41-ace4c5ad3c2f
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352848
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe/
Threat name:
Win32.Spyware.Negasteal
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Status:
Malicious
First seen:
2023-12-03 23:22:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 37 (64.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jl5jt45tjb3457xwg3b2d5fegyganxzmge2svgcs6mddd4qolo7a._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231204-c8q2ssgf87/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
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:
f22bbb2c526e46a6ab1f9ddc7f482d1f4737b3a8c0a8acfe6271bb1b27e11d86
MD5 hash:
2b286894b0b88deb9fabc30f53211072
SHA1 hash:
71b17d4acbce7ce2ea41258147df0736debbdab2
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/29ebb9d7-a150-4222-b344-8799222b8059/
SH256 hash:
4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe
MD5 hash:
9caffcd254391a3282cb59565c19fe06
SHA1 hash:
c87bf6c1988179062fa05833fa807b3056374c1d
Link:
https://www.unpac.me/results/29ebb9d7-a150-4222-b344-8799222b8059/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4afa99f3b348/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe

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:AgentTeslaV2
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Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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.

Cape
Cape
https://www.capesandbox.com/analysis/462210/

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