MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 139108c63c1c7cddfa8ab353bfd2c9540349be90d4e8ec1f4c21249ed57ec109. 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 2 File information Comments

SHA256 hash: 139108c63c1c7cddfa8ab353bfd2c9540349be90d4e8ec1f4c21249ed57ec109
SHA3-384 hash: 8d4a0944799ede3a84d1595135e83fa15b42ffcfa843db0a69c93df5d0a84d44db3221da95c6940a9fe67d2a1c6fd6a1
SHA1 hash: 2bc597e49eefd5bea9606aa357fa1325ac6be58e
MD5 hash: 63122b18ce137173e64927ae799c6b4a
humanhash: sodium-hydrogen-papa-purple
File name:file
Download: download sample
Signature AgentTesla
File size:892'928 bytes
First seen:2023-05-25 15:53:30 UTC
Last seen:2023-05-25 16:13:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6NZ1tGazZBEP85peQgLRa83AH6s94BRu/J4GVpUhJZ0S5kRUXR9LQoiIMv:Wl9BEP8qtF13AH6/vkUh7
Threatray 3'617 similar samples on MalwareBazaar
TLSH T1C715ADEC361075DFC91BCE76CA982C74AA20647BA30BD243942315DDAA0DA97DF142F7
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence


File Origin
# of uploads :
2
# of downloads :
291
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
TEKLİF TALEP VE FİYAT LİSTESİ.docx
Verdict:
Malicious activity
Analysis date:
2023-05-25 14:30:37 UTC
Tags:
exploit cve-2017-11882 loader agenttesla

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
Sending a custom TCP request
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Result
Verdict:
UNKNOWN
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
Adds a directory exclusion to Windows Defender
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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)
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 875592 Sample: file.exe Startdate: 25/05/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 7 file.exe 7 2->7         started        11 nJxCxcTK.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\nJxCxcTK.exe, PE32 7->35 dropped 37 C:\Users\...\nJxCxcTK.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp9074.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->41 dropped 53 Detected unpacking (changes PE section rights) 7->53 55 Detected unpacking (overwrites its own PE header) 7->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 65 2 other signatures 7->65 13 file.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 23 nJxCxcTK.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 43 api.telegram.org 149.154.167.220, 443, 49730, 49732 TELEGRAMRU United Kingdom 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        67 Tries to steal Mail credentials (via file / registry access) 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Suspicious
First seen:
2023-05-25 15:54:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
14 of 23 (60.87%)
Threat level:
  2/5
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 user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5322219147:AAE0Z9Lq-g-SXI1X2beYR26iGFyieqMa3DE/sendDocument
Unpacked files
SH256 hash:
b2876080a8892ec02a11cc322cc18952d45f9e419c1cb6d4d070860c59fe87eb
MD5 hash:
803e0c67b76960ff5d9ccb360ba9636b
SHA1 hash:
836d339682618638c6b2e3d156ad66a56e4f9ba5
SH256 hash:
642434b8b2ab79ed14b156a8a5981296ed46ecee0cfe5374abdbb0c4739d56e6
MD5 hash:
555cfa1698239326878ce6cc0109b833
SHA1 hash:
783651a35f875ec00d36671dae73cc07b93e8d31
SH256 hash:
d8fc5dfdf2800247eb610beb076fec4d2becf6d951e89445d43237fe97814218
MD5 hash:
e5d93dadd08b8bc727e4f4853c6881ba
SHA1 hash:
27e0e057d33f01586193b0cbf06561c2863951f4
SH256 hash:
7b8ec5e4e41d59c22c157d045058c8d6ae217374456209d1a2f3113d33105323
MD5 hash:
0a97a8d9e677bcd9c8de956f41ed8c45
SHA1 hash:
159855e156a7ca911a587c245aea09d24de680f4
SH256 hash:
139108c63c1c7cddfa8ab353bfd2c9540349be90d4e8ec1f4c21249ed57ec109
MD5 hash:
63122b18ce137173e64927ae799c6b4a
SHA1 hash:
2bc597e49eefd5bea9606aa357fa1325ac6be58e
Malware family:
AgentTesla.v3
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: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.

Web download

AgentTesla

Executable exe 139108c63c1c7cddfa8ab353bfd2c9540349be90d4e8ec1f4c21249ed57ec109

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

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