MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9
SHA3-384 hash: c9ef57a73c4fe76ad19967ccb333226e4bebc606c3f9fc45fa5eab69be8d8a0275d819a67f7a02f48bc90f53f3257a8f
SHA1 hash: 22980882826c6ae11394a229894ee61b9fddd616
MD5 hash: 1f58225b0f2b8424292c1e20274ee351
humanhash: cola-leopard-bluebird-johnny
File name:SecuriteInfo.com.Win64.PWSX-gen.371.14469
Download: download sample
Signature AgentTesla
Create hunting rule
File size:772'692 bytes
First seen:2024-03-24 05:18:44 UTC
Last seen:2024-07-25 01:16:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:5aRJcEqJRVLXeOlOMqRJiF0Q74KAkkE03cokZt1qcT:ARoJverAj7ONfkZt1q8
TLSH T1DCF41253AE28B047CC4E2133755A074D1A2B1E1E7EE6FB57890FF289D7B32881575C82
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 15 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
470
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9.exe
Verdict:
Malicious activity
Analysis date:
2024-03-24 05:19:31 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/a23192d1-f726-48ee-948a-cb5f4ddfabdd

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
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Moving a file to the Program Files subdirectory
Replacing files
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed stealer
Link:
https://www.filescan.io/uploads/65ffb7c87e414bfaaebf6134/reports/e9ece83b-28d5-4aa7-9a4a-9564654c354f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9
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/10e04dfa-7e0d-4c45-89b2-b910d9d0446d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1414631
Signature
.NET source code references suspicious native API functions
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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)
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: 1414631 Sample: SecuriteInfo.com.Win64.PWSX... Startdate: 24/03/2024 Architecture: WINDOWS Score: 100 16 ftp.ercolina-usa.com 2->16 18 ip-api.com 2->18 20 2 other IPs or domains 2->20 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 8 other signatures 2->34 7 SecuriteInfo.com.Win64.PWSX-gen.371.14469.exe 2 2->7         started        signatures3 process4 signatures5 36 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->36 38 Writes to foreign memory regions 7->38 40 Allocates memory in foreign processes 7->40 42 Injects a PE file into a foreign processes 7->42 10 jsc.exe 15 2 7->10         started        14 WerFault.exe 19 16 7->14         started        process6 dnsIp7 22 ercolina-usa.com 192.254.225.136, 21, 49738, 49740 UNIFIEDLAYER-AS-1US United States 10->22 24 ip-api.com 208.95.112.1, 49732, 80 TUT-ASUS United States 10->24 26 api.ipify.org 172.67.74.152, 443, 49731 CLOUDFLARENETUS United States 10->26 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->44 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->48 50 4 other signatures 10->50 signatures8
Score:
81%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9/
Threat name:
ByteCode-MSIL.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2024-03-24 01:26:37 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgplghw6ujjylymdo2kg6srz4s2ruhxnyc3mx6gbxwinvtn34leq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240324-fzt9mscf5w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9
MD5 hash:
1f58225b0f2b8424292c1e20274ee351
SHA1 hash:
22980882826c6ae11394a229894ee61b9fddd616
Link:
https://www.unpac.me/results/4eab2453-518f-487a-ba07-baf7c0c4a4db/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b19eb31edea2/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/b19eb31edea25385e18376946f4a39e4b51a1eedc0b6cbf8c1bd90dacdbbe2c9

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table

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 (GUARD_CF)high

Comments