MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f79fdb2d3286ece6c575411cf49f56dac3695a8068634a37d497f9d19ccb1bdb. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: f79fdb2d3286ece6c575411cf49f56dac3695a8068634a37d497f9d19ccb1bdb
SHA3-384 hash: 8913483a178fbd91fbcde02afc30dba8f14224b12d68db834a059e46811634a995b9216e4e580eaa90cfcc162d697dce
SHA1 hash: 5eabe44f2e293e17491f6daa481a6dc944a7eb45
MD5 hash: 8299e9abedefeb9c6d734d1ba89f4c7a
humanhash: cardinal-artist-apart-yankee
File name:quotation.pdf.exe
Download: download sample
Signature AgentTesla
File size:751'104 bytes
First seen:2023-05-26 17:00:01 UTC
Last seen:2023-06-06 07:58:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:m3O7z5GoJiGaq5au3aombxIsiogqqvyJpjaMcetZfETe6X:H5GoR5aAKIsioHrZ5pDEi6X
Threatray 1'825 similar samples on MalwareBazaar
TLSH T199F4F07931D71D13E79AF7FF8852297003BA7A067463D31A1AC423DEAE42BC19511B8B
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 James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
312
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
quotation.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-26 17:02:03 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot 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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Found malware configuration
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
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
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)
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 zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 876441 Sample: quotation.pdf.exe Startdate: 26/05/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 9 other signatures 2->59 7 quotation.pdf.exe 7 2->7         started        11 BmdTSbCkKxKe.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\BmdTSbCkKxKe.exe, PE32 7->33 dropped 35 C:\Users\...\BmdTSbCkKxKe.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpC51D.tmp, XML 7->37 dropped 39 C:\Users\user\...\quotation.pdf.exe.log, ASCII 7->39 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 May check the online IP address of the machine 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 13 quotation.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        25 2 other processes 7->25 69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 73 Injects a PE file into a foreign processes 11->73 21 BmdTSbCkKxKe.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 41 laptopstores.in 216.10.249.166, 49711, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS India 13->41 43 mail.laptopstores.in 13->43 51 3 other IPs or domains 13->51 75 Installs a global keyboard hook 13->75 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 mail.laptopstores.in 21->45 47 104.237.62.211, 443, 49712 WEBNXUS United States 21->47 49 api.ipify.org 21->49 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->77 79 Tries to steal Mail credentials (via file / registry access) 21->79 81 Tries to harvest and steal browser information (history, passwords, etc) 21->81 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
Win32.Trojan.RemLoader
Status:
Malicious
First seen:
2023-05-26 16:58:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
c8046c924370febbe2e15ac0c5a106eea4f1e3ef5aea49d8a625eeb4a72392b6
MD5 hash:
c3a8f7ef931a840a2e25c1343a133646
SHA1 hash:
a0b5ba7ee496e92313c5c3349765755231e5358c
Detections:
AgentTeslaXorStringsNet
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
ef17bbf4cd20d0657c09cedc9b38022e6b51c6d25da60acc9d14a6149af732d1
MD5 hash:
1e08783a4e4d5e65c83320bb831696b8
SHA1 hash:
76bca2486526441383084181977605743de97a27
SH256 hash:
645353a7973cc2cdb02014c7c1751c9bda76e3a4c95d77950667bf079f7541cb
MD5 hash:
e72c91729215f9da8aaea62cbe452ea2
SHA1 hash:
43635dc884a44abe2d6abfc1a3b907ee0dc03124
SH256 hash:
aa55a49c4e26b6c0cfb3aa599f5cb5c6eae65e0a7884458e75614092d073cf5f
MD5 hash:
9d9bed3fb41b5b721aafd13220f48c73
SHA1 hash:
069c54846fffaf8ba3abc8f140a60dd9755ff20a
SH256 hash:
f79fdb2d3286ece6c575411cf49f56dac3695a8068634a37d497f9d19ccb1bdb
MD5 hash:
8299e9abedefeb9c6d734d1ba89f4c7a
SHA1 hash:
5eabe44f2e293e17491f6daa481a6dc944a7eb45
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:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 f79fdb2d3286ece6c575411cf49f56dac3695a8068634a37d497f9d19ccb1bdb

(this sample)

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