MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d
SHA3-384 hash: ab7d4094a01d99b3e3db5ed6212e4fac81e63a24d4d5055cf338c0939e99c79b6aa4775bb03217eb3d6bcf90dcd481b5
SHA1 hash: 4b209f6009cf64f24dd40a42dcdc8ff34950f328
MD5 hash: de18d64381d46092aa9ad3fe5dfce3ce
humanhash: solar-black-charlie-jig
File name:fennálló egyenleg Nemzeti Bank__.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:88'936 bytes
First seen:2024-02-01 14:05:35 UTC
Last seen:2024-02-01 15:28:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:c8ts7vOjG3afhKijpHJa0zGEW4e3vnlQ8WpRzkOSI6Hu0CvmVo+reiG:c8tsbOj2afACTFJW4e/nlJWbkzIoubvd
Threatray 6 similar samples on MalwareBazaar
TLSH T11A937D26278DD46BCA4F06BCE862A110277083725543E78C5F9CC9AD352FFE49A05BE7
TrID 40.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
31.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
7.2% (.SCR) Windows screen saver (13097/50/3)
5.8% (.EXE) Win64 Executable (generic) (10523/12/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter smica83
Tags:AgentTesla exe HUN signed

Code Signing Certificate

Organisation:Blix Inc.
Issuer:Blix Inc.
Algorithm:sha256WithRSAEncryption
Valid from:2024-02-01T06:24:37Z
Valid to:2025-02-01T06:24:37Z
Serial number: 81e38c5b8fd77b3232c6849343ab3775
Thumbprint Algorithm:SHA256
Thumbprint: 131cfdfdf8a0c4df57456c53bf4dcf619618af381c8e81521ec1d5639de1f38d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 14:07:08 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/f60915e5-6d74-4570-8786-027e756b2b65

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.1958.804.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da49545a-c1d4-486f-8642-336665a7a069
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1384922
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Drops PE files with benign system names
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384922 Sample: fenn#U00e1ll#U00f3_egyenleg... Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 53 sayhellotomalware.shop 2->53 55 mail.btex-bdqc.com 2->55 57 3 other IPs or domains 2->57 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 17 other signatures 2->75 9 fenn#U00e1ll#U00f3_egyenleg_Nemzeti_Bank__.pdf.exe 16 7 2->9         started        14 svchost.exe 14 3 2->14         started        16 svchost.exe 2->16         started        18 svchost.exe 2->18         started        signatures3 process4 dnsIp5 59 sayhellotomalware.shop 104.21.50.164, 443, 49706, 49707 CLOUDFLARENETUS United States 9->59 51 C:\Users\user\AppData\Roaming\svchost.exe, PE32 9->51 dropped 87 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->87 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->89 91 Drops PE files with benign system names 9->91 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        25 InstallUtil.exe 14 2 14->25         started        28 CasPol.exe 14->28         started        30 AddInProcess32.exe 14->30         started        93 Writes to foreign memory regions 16->93 95 Allocates memory in foreign processes 16->95 97 Injects a PE file into a foreign processes 16->97 32 AddInProcess32.exe 16->32         started        34 CasPol.exe 16->34         started        99 System process connects to network (likely due to code injection or exploit) 18->99 36 CasPol.exe 18->36         started        file6 signatures7 process8 dnsIp9 38 svchost.exe 2 20->38         started        40 conhost.exe 20->40         started        42 timeout.exe 1 20->42         started        77 Uses schtasks.exe or at.exe to add and modify task schedules 22->77 44 conhost.exe 22->44         started        46 schtasks.exe 1 22->46         started        61 api4.ipify.org 104.237.62.212, 443, 49709, 49710 WEBNXUS United States 25->61 63 btex-bdqc.com 67.43.13.195, 587 LIQUIDWEBUS United States 25->63 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->79 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->81 83 Tries to steal Mail credentials (via file / registry access) 25->83 85 Tries to harvest and steal browser information (history, passwords, etc) 36->85 signatures10 process11 process12 48 CasPol.exe 38->48         started        signatures13 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 48->65 67 Tries to steal Mail credentials (via file / registry access) 48->67
Score:
60%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-02-01 13:36:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epc2qdh2ghnzyqcqmvit63zojszzjj7parv63sbnqf5emcbjuz6q._file
Verdict:
unknown
Similar samples:
3d5a231fedd35ec2898fd4826c47e40839661f0814d9a0072d8bcb9e0391979d
AgentTesla
8850c10c46383bafebe6053d7cbaca3625b5ab73c9b267edd574c90aaaa7bed6
AgentTesla
908c852e62f3c069dfbfd4ee9459bab100e23f84edba24a8d2b5fc863eb649f8
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240201-redxpsfaf5/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d
MD5 hash:
de18d64381d46092aa9ad3fe5dfce3ce
SHA1 hash:
4b209f6009cf64f24dd40a42dcdc8ff34950f328
Link:
https://www.unpac.me/results/ef2bb6f1-d2d1-4e08-aeb1-7fc4b33b2223/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23c5a80cfa31/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/23c5a80cfa31db9c405065513f6f2e4cb394a7ef046bedc82d817a460829a67d

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Comments