MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d1a4d7efb7a1e955a3206b26af22bf5e85d600db7d8541598e0c40d60747b6d. 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 3 File information Comments

SHA256 hash: 6d1a4d7efb7a1e955a3206b26af22bf5e85d600db7d8541598e0c40d60747b6d
SHA3-384 hash: c0a4f9e3b7b01c36195ee16eb381426a96a20d1119fe9c1684f172f54c49705970e980b64b044e2bea5e0bd280a8fbec
SHA1 hash: 526d865de9a61427a430ca20f7084e659897990a
MD5 hash: 907f20abe40374a8419b58448e031456
humanhash: foxtrot-nevada-winner-princess
File name:PO TH23193_docx.exe
Download: download sample
Signature AgentTesla
File size:508'416 bytes
First seen:2023-09-18 07:53:23 UTC
Last seen:2023-09-18 08:38:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:8DByHv/EsgS9m06zmlzy8DLb8sebc/eu:8MH/gS9GiljQYT
Threatray 5'676 similar samples on MalwareBazaar
TLSH T12CB4AE2671EF1256D766EBF10BE4ACBF87AAF577160FF63938811B468222D44DA01331
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) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PO TH23193_docx.exe
Verdict:
Malicious activity
Analysis date:
2023-09-18 11:07:29 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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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 strings
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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)
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: 1309853 Sample: PO_TH23193_docx.exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 13 other signatures 2->72 7 PO_TH23193_docx.exe 6 2->7         started        11 wuKimj.exe 5 2->11         started        13 My App.exe 2->13         started        15 My App.exe 2->15         started        process3 file4 48 C:\Users\user\AppData\Roaming\wuKimj.exe, PE32 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp8555.tmp, XML 7->50 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->82 84 May check the online IP address of the machine 7->84 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 7->88 17 PO_TH23193_docx.exe 17 5 7->17         started        22 schtasks.exe 1 7->22         started        90 Multi AV Scanner detection for dropped file 11->90 92 Machine Learning detection for dropped file 11->92 94 Injects a PE file into a foreign processes 11->94 24 wuKimj.exe 14 3 11->24         started        26 schtasks.exe 1 11->26         started        28 My App.exe 13->28         started        30 schtasks.exe 13->30         started        32 My App.exe 15->32         started        34 schtasks.exe 15->34         started        signatures5 process6 dnsIp7 52 mail.wecaresvc.com 17->52 60 3 other IPs or domains 17->60 44 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->44 dropped 46 C:\Users\user\...\My App.exe:Zone.Identifier, ASCII 17->46 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->74 76 Tries to steal Mail credentials (via file / registry access) 17->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->78 36 conhost.exe 22->36         started        54 mail.wecaresvc.com 24->54 62 2 other IPs or domains 24->62 38 conhost.exe 26->38         started        64 3 other IPs or domains 28->64 80 Tries to harvest and steal browser information (history, passwords, etc) 28->80 40 conhost.exe 30->40         started        56 mail.wecaresvc.com 32->56 58 api.ipify.org 32->58 42 conhost.exe 34->42         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-18 05:16:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
Looks up external IP address via web service
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:
99456b6d1f9324e2edac9e95b9ea78a9644ee5594eb1374442d1c12d004fa419
MD5 hash:
c9267c4e244106123adcdcd2f430dd2b
SHA1 hash:
5b3ed5056257e534bed4dc4b483819b923e87eae
SH256 hash:
f3f7b59a1b5782c6df5e129ac62d27473b638a10820929cf6c6b07b84594bae8
MD5 hash:
9824cc1c32974d27e818c969b139d1f6
SHA1 hash:
4158f644fbea9c4791a3258be782f2c39ade72f3
SH256 hash:
6d1a4d7efb7a1e955a3206b26af22bf5e85d600db7d8541598e0c40d60747b6d
MD5 hash:
907f20abe40374a8419b58448e031456
SHA1 hash:
526d865de9a61427a430ca20f7084e659897990a
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: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.

Comments