MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cffa42a53702e4ad0c89048a302c1786d56b10fd42c82cfed5eca5ac473ea483. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: cffa42a53702e4ad0c89048a302c1786d56b10fd42c82cfed5eca5ac473ea483
SHA3-384 hash: b8b12f7347e89097f6cc315c5a919579d94e2c7c87a28a4ccdc6cdb6fa2ff95a6bbcb78240bd3cf8907b286a0a949ba7
SHA1 hash: dcb8c6a93c955b83b7bed854bf2756671bb7659f
MD5 hash: b81312b2fd31e53bcfa670d4e9004791
humanhash: pennsylvania-massachusetts-asparagus-jupiter
File name:Scan0976543_document.exe
Download: download sample
Signature AgentTesla
File size:736'768 bytes
First seen:2023-04-10 21:18:17 UTC
Last seen:Never
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:WV3SU1njS03FHbK42VUDeQ8GWUPC7CQlIBa5yTwy:BUNjSg7K42VUvOchBam
Threatray 1'920 similar samples on MalwareBazaar
TLSH T1B0F470406EB4861AEDEE5DB2146913E31BF2CC876256931BE3947F51887230CBDCA2F5
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)
File icon (PE):PE icon
dhash icon e194aab2b2aad421 (10 x AgentTesla, 4 x AveMariaRAT, 3 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
293
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Scan0976543_document.exe
Verdict:
Malicious activity
Analysis date:
2023-04-10 21:21:06 UTC
Tags:
rat agenttesla trojan

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

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 844229 Sample: Scan0976543_document.exe Startdate: 10/04/2023 Architecture: WINDOWS Score: 100 47 mail.rppaterlini.com 2->47 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Yara detected AgentTesla 2->75 77 2 other signatures 2->77 8 Scan0976543_document.exe 16 7 2->8         started        13 Sxrhacbn.exe 14 4 2->13         started        15 Sxrhacbn.exe 3 2->15         started        signatures3 process4 dnsIp5 49 web.fe.1drv.com 8->49 57 3 other IPs or domains 8->57 39 C:\Users\user\AppData\...\Sxrhacbn.exe, PE32 8->39 dropped 41 C:\Users\...\Sxrhacbn.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\...\Scan0976543_document.exe.log, ASCII 8->43 dropped 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->81 83 Encrypted powershell cmdline option found 8->83 17 Scan0976543_document.exe 7 8->17         started        21 powershell.exe 16 8->21         started        51 web.fe.1drv.com 13->51 59 3 other IPs or domains 13->59 85 Machine Learning detection for dropped file 13->85 87 Injects a PE file into a foreign processes 13->87 23 Sxrhacbn.exe 13->23         started        25 powershell.exe 13->25         started        27 Sxrhacbn.exe 13->27         started        53 192.168.2.1 unknown unknown 15->53 55 web.fe.1drv.com 15->55 61 3 other IPs or domains 15->61 29 powershell.exe 15->29         started        31 Sxrhacbn.exe 15->31         started        file6 signatures7 process8 dnsIp9 45 mail.rppaterlini.com 62.149.157.160, 49697, 49698, 49703 ARUBA-ASNIT Italy 17->45 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->63 65 Tries to steal Mail credentials (via file / registry access) 17->65 67 Tries to harvest and steal browser information (history, passwords, etc) 17->67 33 conhost.exe 21->33         started        69 Installs a global keyboard hook 23->69 35 conhost.exe 25->35         started        37 conhost.exe 29->37         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Nekark
Status:
Malicious
First seen:
2023-04-10 21:17:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
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:
cffa42a53702e4ad0c89048a302c1786d56b10fd42c82cfed5eca5ac473ea483
MD5 hash:
b81312b2fd31e53bcfa670d4e9004791
SHA1 hash:
dcb8c6a93c955b83b7bed854bf2756671bb7659f
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: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.

  
Delivery method
Other

Comments