MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323
SHA3-384 hash: b24432d319791957e863bd0be20cfc315dfd2b8e702b4b5e566fe64d6d2ecabdb462eaa969a394e04048f2841e0ce8fb
SHA1 hash: ab8ad764120b5e37fee2e5a0306979e57ae60c99
MD5 hash: 0fd7062fb5e8ea1cc13073d78a95b606
humanhash: pizza-edward-orange-stairway
File name:change to anyname.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:265'216 bytes
First seen:2024-05-31 10:49:45 UTC
Last seen:2024-05-31 11:11:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:CVPWsME5CVuLoaJubD74gU0H1SpZpMo1+fhohP5VMwZazMRXrqFhVhdCF:kPnDBgUiSn5mwVE1C
TLSH T14C443950DFA8C177E99E1BF1E02357118A76E2C6F456FB4F8A8464FA1C4234C9C066BB
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 74f4d4d4cce4e8e0 (27 x AgentTesla, 19 x Formbook, 17 x DBatLoader)
Reporter JAMESWT_WT
Tags:777 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
508
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 10:50:15 UTC
Tags:
evasion telegram exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/49278b8e-eb33-4609-b0e8-b054c99a755c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Autoit-10030356-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6659ab7120ad30d28767799dwin7simulatehigh_evasion
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6659ab5f9c0b71aaf52b7797/reports/3d475ce8-a3ea-468d-95a6-f80ec964ce7e/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9c4a5e7a-4b61-4b6e-b0cf-44f8a148a16e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1450472
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert 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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450472 Sample: change to anyname.exe Startdate: 01/06/2024 Architecture: WINDOWS Score: 100 30 api.telegram.org 2->30 32 ip-api.com 2->32 34 3 other IPs or domains 2->34 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 62 11 other signatures 2->62 7 change to anyname.exe 14 3 2->7         started        11 UpDate.exe 2 2->11         started        13 UpDate.exe 1 2->13         started        signatures3 60 Uses the Telegram API (likely for C&C communication) 30->60 process4 dnsIp5 36 capturingmind.com 104.21.52.66, 443, 49705, 49706 CLOUDFLARENETUS United States 7->36 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->64 66 Writes to foreign memory regions 7->66 68 Allocates memory in foreign processes 7->68 70 Injects a PE file into a foreign processes 7->70 15 MSBuild.exe 16 4 7->15         started        20 MSBuild.exe 7->20         started        22 MSBuild.exe 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures6 process7 dnsIp8 38 ip-api.com 208.95.112.1, 49708, 80 TUT-ASUS United States 15->38 40 api.telegram.org 149.154.167.220, 443, 49709, 49710 TELEGRAMRU United Kingdom 15->40 28 C:\Users\user\AppData\Local\...\UpDate.exe, PE32 15->28 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 Tries to harvest and steal ftp login credentials 15->46 52 2 other signatures 15->52 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 20->50 file9 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-31 10:49:23 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=dnhgvss3n7f3v2itwc2wbcycft5mi2iewxwapkhzehze7v6bqmrq._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240531-mw82ysfg47/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6358233187:AAEyoOd9rO1CDVVHfYgk7lLwkYwWZBhWpCo/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3d4642ac-587c-4864-be5c-47821e1d4c07
Unpacked files
SH256 hash:
1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323
MD5 hash:
0fd7062fb5e8ea1cc13073d78a95b606
SHA1 hash:
ab8ad764120b5e37fee2e5a0306979e57ae60c99
Link:
https://www.unpac.me/results/8718d550-39e0-4a1a-9d24-1b07f852fbdd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b4e6aca5b6f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/1b4e6aca5b6fcbbae913b0b5608b022cfac46904b5ec07a8f921f24fd7c18323

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

File information

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

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 (HIGH_ENTROPY_VA)high

Comments


Avatar
commented on 2024-05-31 11:12:33 UTC

extracted from RAR
https://bazaar.abuse.ch/sample/b34066edc262ffab7497c17296c8e69ea9ac9578bc998ef186d1c617526c2ba9/