MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986
SHA3-384 hash: 5828bb2c3bad66f85aaa3a27e97410eb98f50c7a399032db3c5ee4338d7f07941a03bd4a7c82c9fa30ca6f31d029a61a
SHA1 hash: 225f568348ccdbd88ac5637e2784bbb45926fb60
MD5 hash: 09f9310b2c05e7f54f659338dc5717c7
humanhash: bluebird-gee-double-lion
File name:SecuriteInfo.com.Win32.CrypterX-gen.18103.18029
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'291'264 bytes
First seen:2025-04-04 03:16:31 UTC
Last seen:2025-04-04 04:36:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:aIIBQSKy0iM65FuBaR8Po9NUq9w5Vf4ASmt5N6NDAYPhHMfPo:0rKeMcFGaes6q9Ct4AlfNUP6fA
TLSH T146551208A758CE5BE2BAA3F4F09515908BE29052F78FD7CFDCD060FA1C437A0991A15B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
586
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.18103.18029
Verdict:
Malicious activity
Analysis date:
2025-04-04 03:17:55 UTC
Tags:
stealer purecrypter netreactor ultravnc rmm-tool agenttesla
Link:
https://app.any.run/tasks/7bcbb500-0c97-4a14-9c37-bf0bf1435230

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/415/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.18103.18029.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ef5033cfd0a37f830da0b8
Tags:
obfuscate autorun xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ef4f362d430c849e06030f/reports/16e4eb15-23e2-470d-b0ea-2f6628255229/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7d55f60d-2563-4b0c-b81e-8163145f64b5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1656209
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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 ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1656209 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 04/04/2025 Architecture: WINDOWS Score: 100 60 mail.iaa-airferight.com 2->60 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 13 other signatures 2->86 9 SecuriteInfo.com.Win32.CrypterX-gen.18103.18029.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\pdf.exe, PE32 9->54 dropped 56 C:\Users\user\...\pdf.exe:Zone.Identifier, ASCII 9->56 dropped 58 C:\Users\user\AppData\Roaming\...\pdf.vbs, ASCII 9->58 dropped 96 Drops VBS files to the startup folder 9->96 98 Encrypted powershell cmdline option found 9->98 100 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->100 104 2 other signatures 9->104 15 InstallUtil.exe 2 9->15         started        19 powershell.exe 23 9->19         started        21 cmd.exe 1 9->21         started        23 cmd.exe 1 9->23         started        102 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->102 25 pdf.exe 3 13->25         started        signatures6 process7 dnsIp8 62 mail.iaa-airferight.com 46.175.148.58, 25, 49730, 49731 ASLAGIDKOM-NETUA Ukraine 15->62 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->66 68 Tries to steal Mail credentials (via file / registry access) 15->68 70 Loading BitLocker PowerShell Module 19->70 27 conhost.exe 19->27         started        29 WmiPrvSE.exe 19->29         started        72 Uses ipconfig to lookup or modify the Windows network settings 21->72 31 conhost.exe 21->31         started        33 ipconfig.exe 1 21->33         started        35 conhost.exe 23->35         started        37 ipconfig.exe 1 23->37         started        74 Multi AV Scanner detection for dropped file 25->74 76 Writes to foreign memory regions 25->76 78 Injects a PE file into a foreign processes 25->78 39 InstallUtil.exe 25->39         started        42 cmd.exe 25->42         started        44 cmd.exe 25->44         started        signatures9 process10 signatures11 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->88 90 Tries to steal Mail credentials (via file / registry access) 39->90 92 Tries to harvest and steal ftp login credentials 39->92 94 Tries to harvest and steal browser information (history, passwords, etc) 39->94 46 conhost.exe 42->46         started        48 ipconfig.exe 42->48         started        50 conhost.exe 44->50         started        52 ipconfig.exe 44->52         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2025-04-04 03:17:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgmngfhs3t4vrqbs7ygkamau23p6hkd5yhir5urxwpsyanscngda._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250404-ds37vs1nt4/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8de7a193-cd51-4b55-9f48-36074e137560
Unpacked files
SH256 hash:
c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986
MD5 hash:
09f9310b2c05e7f54f659338dc5717c7
SHA1 hash:
225f568348ccdbd88ac5637e2784bbb45926fb60
Link:
https://www.unpac.me/results/8cea07b0-767b-4c78-9fdd-1273d160ee0e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.92
Link:
https://yomi.yoroi.company/submissions/c998d314f2dcf958c032fe0ca03014d6dfe3a87dc1d11ed237b3e58036426986

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/415/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments