MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a33384b0027c321a9643ba9428d7227aa6b4401e3882f91cc93539590500411. 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 3 File information Comments

SHA256 hash: 3a33384b0027c321a9643ba9428d7227aa6b4401e3882f91cc93539590500411
SHA3-384 hash: fa8e2738364f0d1499d9037a8bc58d85dd726fe33aea1674b04e7ee5e0a8ddffdd6f4c84b60187dedf3f72901e962cff
SHA1 hash: b4dc69de92f2cf210c615e6ec506d3a1d21aa777
MD5 hash: 3461fd2c8482af651b818f61dd049e42
humanhash: salami-sierra-fruit-four
File name:recibo de pago OC456337.jpg.exe
Download: download sample
Signature AgentTesla
File size:606'720 bytes
First seen:2023-05-19 05:53:44 UTC
Last seen:2023-05-20 15:23:29 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:Cf2iNeUDMY+SnwYmTzsht19PL3MyE+q8IZroJWURe/hN2dVzXYt:Cf1AUDX+RFshbJ8yE+iFoJWEeZN2dxY
Threatray 3'865 similar samples on MalwareBazaar
TLSH T153D4123BA49D8F16C8AF0BFA68D23C0653B5595AB131C69D0DCF21EE2675BB40512EC3
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)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.corpsa.net:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
235
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
recibo de pago OC456337.jpg.exe
Verdict:
Malicious activity
Analysis date:
2023-05-19 05:56:00 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-04-13 21:13:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
3b0b3a57b01135ba7ff1b7d22bec002774240a24958999e0c8562053ef0f5203
MD5 hash:
84e487045e9f3ec92eb49e95f6bf010d
SHA1 hash:
cf7e630f966db50942f1a935eee80e19e7200aa7
SH256 hash:
1947149b795c1a2685bfec0def803bdd403070dd1d2a7ee6d4ae58b6e4d845ca
MD5 hash:
8fc0ba27e4b839bdeadc5f5d1f720aad
SHA1 hash:
b4d6c1bdaf99311d778454325d42346d31855fff
Detections:
AgentTeslaXorStringsNet
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
SH256 hash:
f074b2c09142fa55caae482b5ec6ba350fda0ac62329bb825d61f21e2e7059a1
MD5 hash:
567bbf43aac601560b1def4a872d4089
SHA1 hash:
21dfc6e6ecf39c9c23927c114ca911559ca4593e
SH256 hash:
2e3f89a7c82b0a44b5082dd803578ea704db90948e3cbfc37dae7982058fdfe4
MD5 hash:
4d2013b6f2ab34ba409344eb9ca8e113
SHA1 hash:
19ae1929a62042bed9c3c26d35452dbbc25846e5
SH256 hash:
3a33384b0027c321a9643ba9428d7227aa6b4401e3882f91cc93539590500411
MD5 hash:
3461fd2c8482af651b818f61dd049e42
SHA1 hash:
b4dc69de92f2cf210c615e6ec506d3a1d21aa777
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:Dotnet_Hidden_Executables_Detect
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
Rule name:pe_imphash
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 3a33384b0027c321a9643ba9428d7227aa6b4401e3882f91cc93539590500411

(this sample)

  
Delivery method
Distributed via e-mail attachment

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