MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63cc9fdaa3819fc6a4433c35ca3f308ce20bc39e07940f07f461cff692bab7b6. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 63cc9fdaa3819fc6a4433c35ca3f308ce20bc39e07940f07f461cff692bab7b6
SHA3-384 hash: 80fc007bbce74c8d147a652a45bd69f79223a30f71abea87286ac143ca2a3a9a180785f446d6ee87bfbf171d843122c2
SHA1 hash: 09b039422a64625cd8801ed8739b5dccf6946c0b
MD5 hash: ea3ca95c88807fc35684b4af19d20f19
humanhash: monkey-oregon-dakota-maryland
File name:TSTNB116491.exe
Download: download sample
Signature AgentTesla
File size:25'088 bytes
First seen:2023-07-27 06:50:31 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 384:KgmBcQORff02qiV19jfdaseey67jHgfl0V9ZAN:KgmaQ0daLeyKjHgGV9ZAN
Threatray 5'759 similar samples on MalwareBazaar
TLSH T183B2F601BFD8C222D6BA1A7598E3D3410E31B9C55890CF5B6CCB164FFDA27068A86777
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 34fcd4ccccd4d4cc (1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
TSTNB116491.exe
Verdict:
Malicious activity
Analysis date:
2023-07-27 07:00:38 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
Sending a custom TCP request
DNS request
Сreating synchronization primitives
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin 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
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1280888 Sample: TSTNB116491.exe Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 Sample uses string decryption to hide its real strings 2->45 47 2 other signatures 2->47 6 TSTNB116491.exe 16 5 2->6         started        11 Itszpornbxm.exe 14 5 2->11         started        13 Itszpornbxm.exe 2 2->13         started        process3 dnsIp4 27 files.catbox.moe 108.181.20.35, 443, 49699, 49701 ASN852CA Canada 6->27 21 C:\Users\user\AppData\...\Itszpornbxm.exe, PE32 6->21 dropped 23 C:\Users\...\Itszpornbxm.exe:Zone.Identifier, ASCII 6->23 dropped 25 C:\Users\user\AppData\...\TSTNB116491.exe.log, ASCII 6->25 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 15 TSTNB116491.exe 2 6->15         started        29 192.168.2.1 unknown unknown 11->29 53 Multi AV Scanner detection for dropped file 11->53 19 Itszpornbxm.exe 11->19         started        file5 signatures6 process7 dnsIp8 31 smtp.privateemail.com 66.29.159.53, 49700, 49703, 587 ADVANTAGECOMUS United States 15->31 33 Installs a global keyboard hook 15->33 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->35 37 Tries to steal Mail credentials (via file / registry access) 19->37 39 Tries to harvest and steal browser information (history, passwords, etc) 19->39 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-26 10:42:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
63cc9fdaa3819fc6a4433c35ca3f308ce20bc39e07940f07f461cff692bab7b6
MD5 hash:
ea3ca95c88807fc35684b4af19d20f19
SHA1 hash:
09b039422a64625cd8801ed8739b5dccf6946c0b
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.

Malspam

AgentTesla

Executable exe 63cc9fdaa3819fc6a4433c35ca3f308ce20bc39e07940f07f461cff692bab7b6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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