MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8455e5d2f2ddddf2f3e2764602974a85d680d33e5dd13d636882a1e7523f254. 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 3 File information Comments

SHA256 hash: f8455e5d2f2ddddf2f3e2764602974a85d680d33e5dd13d636882a1e7523f254
SHA3-384 hash: ed8413ff744922e0adf456578d1140436ed3fdb26ef31197bb32af78395d5a70de7c07a0a154461759d7bd7cddcc0954
SHA1 hash: fa887be7d404c65fdc4657aeda9844143a2e6514
MD5 hash: 8d8eee944f16d190c08d8d8db5fb5797
humanhash: sad-sink-winner-lion
File name:k1d.exe
Download: download sample
Signature AgentTesla
File size:961'024 bytes
First seen:2022-04-15 09:21:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:XVaUF3waCRNGDYa6gufGNhyvARpCbWXb+SdVD0rPoXpZ/:X1F35CRNhAhyFbWXlD0rSP
Threatray 16'160 similar samples on MalwareBazaar
TLSH T1EE15DF9D722072EFC85BD072DEA81CA8FA91747B931F4603942315EDA90D89BDF641F2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 04d4ccd8c4ccd400 (10 x AgentTesla, 6 x SnakeKeylogger, 4 x Loki)
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
409
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RFQ-GL51L0.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-15 09:22:48 UTC
Tags:
opendir 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:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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 very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file contains section with special chars
PE file has nameless sections
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 ftp login credentials
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: 609846 Sample: k1d.exe Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 9 other signatures 2->41 7 k1d.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\FHThfANnY.exe, PE32 7->25 dropped 27 C:\Users\...\FHThfANnY.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp5E3A.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\Local\...\k1d.exe.log, ASCII 7->31 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 3 other signatures 7->49 11 k1d.exe 2 7->11         started        15 powershell.exe 1 7->15         started        17 schtasks.exe 1 7->17         started        19 k1d.exe 7->19         started        signatures5 process6 dnsIp7 33 us2.smtp.mailhostbox.com 208.91.199.225, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal ftp login credentials 11->55 57 Tries to harvest and steal browser information (history, passwords, etc) 11->57 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-15 09:22:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
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 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:
af1f5074eff36653e6d54c5c7aabf990aee2cc70a72db4cfb1707e452349c574
MD5 hash:
fc0ae7f6d4aa4aa2c27c26407936ec3d
SHA1 hash:
dfa9b61be7f02298605ffe7e007617016c9bfc2b
SH256 hash:
34a3f76736cf0a887001f064929831d89fddb2129a6d318a874a41caa3eae3ad
MD5 hash:
3dc69f15cdf8c80478bddc7ad327ba12
SHA1 hash:
c1b6356998944ed7c29e934ae0b0c35941476d14
SH256 hash:
059be3c308a4762dc0f4c48d0c3f2a31730fdf01816fb4986299f07b5d13c609
MD5 hash:
1a4444441e69b95a2436692d6aae38c6
SHA1 hash:
91d8a9d646b0ba05fc85886b67792a82cfd3bd3a
SH256 hash:
2da9014b9e2c0b37592d4d89780c60d550ab7375eb911161dcfacbfda33ce0a7
MD5 hash:
62a1436449ececd4c0f5f95d73797666
SHA1 hash:
7ad8ddadc81bf988f64039946f20a00c18f604db
SH256 hash:
f8455e5d2f2ddddf2f3e2764602974a85d680d33e5dd13d636882a1e7523f254
MD5 hash:
8d8eee944f16d190c08d8d8db5fb5797
SHA1 hash:
fa887be7d404c65fdc4657aeda9844143a2e6514
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
Rule name:t0_1

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments