MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63efc3445014bdf5bc7c990e30c279a5f1ef3aca8760335c91e5c774aac13d73. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 63efc3445014bdf5bc7c990e30c279a5f1ef3aca8760335c91e5c774aac13d73
SHA3-384 hash: d104275937c577b43967b0b1d1ed5435ae56dc4f91114de5fc1ac8ce66a75904e9c5caef483be40f5fd8aca34dae4e13
SHA1 hash: 49c5fa70e5ae4acfa17ae187c1c5ba62749bd758
MD5 hash: 62f8113d85e2f1278d24b45f4f66f58c
humanhash: april-lima-iowa-twelve
File name:RTL-2023053001.exe
Download: download sample
Signature AgentTesla
File size:683'520 bytes
First seen:2023-10-04 06:41:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tneMkNumB07lzQo8Pe8yKD4sL9vdcp+tVqTDs2FpL2lgowgKjW:VbyYkS8yKcsLpdcp+tys266owG
Threatray 46 similar samples on MalwareBazaar
TLSH T18AE40100737D2B2BDAB1A3F8167122600BB5AB7E2472E2585DC2A4DB6D71F500F66F17
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
322
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RTL-2023053001.exe
Verdict:
Malicious activity
Analysis date:
2023-10-04 06:52:45 UTC
Tags:
stealer agenttesla

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1319229 Sample: RTL-2023053001.exe Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 7 other signatures 2->45 7 HLiwPVHgVnzZeP.exe 5 2->7         started        10 RTL-2023053001.exe 7 2->10         started        process3 file4 47 Antivirus detection for dropped file 7->47 49 Multi AV Scanner detection for dropped file 7->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Machine Learning detection for dropped file 7->53 13 HLiwPVHgVnzZeP.exe 7->13         started        17 schtasks.exe 1 7->17         started        19 HLiwPVHgVnzZeP.exe 7->19         started        33 C:\Users\user\AppData\...\HLiwPVHgVnzZeP.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmpD0D4.tmp, XML 10->35 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 10->55 57 Adds a directory exclusion to Windows Defender 10->57 59 Injects a PE file into a foreign processes 10->59 21 RTL-2023053001.exe 2 10->21         started        23 powershell.exe 21 10->23         started        25 schtasks.exe 1 10->25         started        signatures5 process6 dnsIp7 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->61 63 Tries to steal Mail credentials (via file / registry access) 13->63 65 Tries to harvest and steal browser information (history, passwords, etc) 13->65 27 conhost.exe 17->27         started        37 mail.sofahaus.eu 173.249.53.198, 49780, 49782, 587 CONTABODE Germany 21->37 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2023-10-02 16:42:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
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:
d60dec072f893a5f398ba30e3a15cb61570cb724c19751afeb2c4c659b59622a
MD5 hash:
8c865d459cbe885b9611d339deb8d457
SHA1 hash:
de13418769a5c9a2cc0050abebc928dfa7b789f1
SH256 hash:
4bf449c2fbc598a1ab05af6ba47ef308cf170b50f3c9609e667ca6796b26ae3b
MD5 hash:
4bf5c4c0f9d00688534b396ace0be368
SHA1 hash:
b092eecc86ed6b1212043be65db93b18403e1b6c
SH256 hash:
df4ae14aba1386482151a3b8cc58ef081c58306da7f4cc0c35e0718242cf043c
MD5 hash:
8383b9306b9b5929b0aed1f24991d929
SHA1 hash:
6acebb9f139a62de981a3ec15ce35f61f5c3132e
SH256 hash:
3fd0bedc0411d2ef09bb38f50a70888b9db436aa3f1a3f6340b3957a8bf1cef3
MD5 hash:
f7e3ee72e28761ebde68a3d0e2aeea6f
SHA1 hash:
102da2e7659210602f3ccfbb7768d8478428a565
SH256 hash:
63efc3445014bdf5bc7c990e30c279a5f1ef3aca8760335c91e5c774aac13d73
MD5 hash:
62f8113d85e2f1278d24b45f4f66f58c
SHA1 hash:
49c5fa70e5ae4acfa17ae187c1c5ba62749bd758
Malware family:
AgentTesla.v4
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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 63efc3445014bdf5bc7c990e30c279a5f1ef3aca8760335c91e5c774aac13d73

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments