MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb8d35a8553ccd23f5261bed1353f301f6483fb67a5198fded1fc1022a21481e. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: bb8d35a8553ccd23f5261bed1353f301f6483fb67a5198fded1fc1022a21481e
SHA3-384 hash: 6b9907aadc354e5c34758fdf6935b4c1827e932ff11ddf844d37eb384c5183b90eae0174cd407a7cb22342ee82445f95
SHA1 hash: fddd692e5eb16fe82e2a49512d0ac24cdbb79f76
MD5 hash: 5e705fe91f56eab4d1df1e0517724310
humanhash: connecticut-nebraska-lima-juliet
File name:Q-4534-1_ EMS IDC .pdf.exe
Download: download sample
Signature AgentTesla
File size:694'784 bytes
First seen:2023-08-28 14:09:30 UTC
Last seen:2023-08-28 14:35:11 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:DzWJp09T11qbXWtbu2OQyYySzYDeomQs3MsZ+Ii2lkGzHsW0FRXMTLgo/f81pfrt:DzF9hwbEbu2OQyLXeomQkjZeE7sW0FRV
Threatray 1'327 similar samples on MalwareBazaar
TLSH T117E40113BE02EBB9D03F87FA3C25D5415266EE1E6860E7A89C9636E19C31743847DB07
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 malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
281
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Q-4534-1_ EMS IDC .pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-28 14:12:28 UTC
Tags:
agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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: 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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1298764 Sample: Q-4534-1__EMS_IDC_.pdf.exe Startdate: 28/08/2023 Architecture: WINDOWS Score: 100 49 Antivirus / Scanner detection for submitted sample 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 8 other signatures 2->55 7 lqnSgBlXD.exe 5 2->7         started        10 Q-4534-1__EMS_IDC_.pdf.exe 7 2->10         started        process3 file4 57 Antivirus detection for dropped file 7->57 59 Multi AV Scanner detection for dropped file 7->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Machine Learning detection for dropped file 7->63 13 lqnSgBlXD.exe 7->13         started        17 schtasks.exe 7->17         started        33 C:\Users\user\AppData\Roaming\lqnSgBlXD.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmpFA43.tmp, XML 10->35 dropped 65 May check the online IP address of the machine 10->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 10->67 69 Adds a directory exclusion to Windows Defender 10->69 19 Q-4534-1__EMS_IDC_.pdf.exe 15 2 10->19         started        21 powershell.exe 21 10->21         started        23 schtasks.exe 1 10->23         started        25 2 other processes 10->25 signatures5 process6 dnsIp7 37 104.237.62.211, 443, 49721 WEBNXUS United States 13->37 39 mail.mhasegt.co.za 13->39 41 api.ipify.org 13->41 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->71 73 Tries to steal Mail credentials (via file / registry access) 13->73 75 Tries to harvest and steal browser information (history, passwords, etc) 13->75 27 conhost.exe 17->27         started        43 mhasegt.co.za 160.119.254.17, 49720, 49722, 49728 xneeloZA South Africa 19->43 45 api4.ipify.org 64.185.227.156, 443, 49719 WEBNXUS United States 19->45 47 3 other IPs or domains 19->47 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        signatures8 process9
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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:
d63613c519ee63ca59c857936a06001ae05b70a5b79490ac9cc1371de65c6723
MD5 hash:
d6c6c07894c2138ee1509d4ac5f9a173
SHA1 hash:
c7611c79c98d9e9077085ec6e811700e51786e32
Detections:
AgentTesla
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
295855c54235f7edf0ecd9043715c6ef000f1e01079447eb2f0a0c40f7752342
MD5 hash:
d23c5f68f49541d08b32f1ef1f49dc33
SHA1 hash:
722b84f2de6916e253ba6275844819c115b5e3f4
SH256 hash:
840c22de20a53eaacf05ab37294480ced145472e840badaa55e46e25a3b4c15d
MD5 hash:
be1ecf023f91edf1721e6c432b9aaf05
SHA1 hash:
604b9a9a96ca203cad9776a007a22971fa45253c
SH256 hash:
bb8d35a8553ccd23f5261bed1353f301f6483fb67a5198fded1fc1022a21481e
MD5 hash:
5e705fe91f56eab4d1df1e0517724310
SHA1 hash:
fddd692e5eb16fe82e2a49512d0ac24cdbb79f76
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Comments