MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9
SHA3-384 hash: cc16e74cd0ad2a43f6c11372abbce47421480f685e3b91a519f0b6df563ba0cb1a4dc21fba8baf50021e02c2a7ffe3c2
SHA1 hash: c54c6647703964e2dc01f11f44cdcb29a112be90
MD5 hash: 1f33b2b038c4d62ef89483a746f86012
humanhash: princess-fillet-idaho-may
File name:PO-Tooling CT240230231 - CTA240714.com
Download: download sample
Signature AgentTesla
Create hunting rule
File size:48'032 bytes
First seen:2025-01-20 16:31:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:mKT/nyl4QXU2+kCYU1qLn2uDf6s6i5MXAjWHRc9EB+Yhd9eYBcriEsO:DT/yl472ls15u6fxc9E9haYiCO
TLSH T12F233983BB8D5622CAD9CB3BE4E765100773E652BF53CD4E309913C448837A58A592DF
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 cocaman
Tags:AgentTesla com exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO-ToolingCT240230231-CTA240714.com.exe
Verdict:
Malicious activity
Analysis date:
2025-01-20 16:38:05 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/01855b3f-1247-429e-816c-777c46f7d7dc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678e7bece708b6e7a3adc989
Tags:
obfuscate autorun xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
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
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:
masquerade net_reactor obfuscated packed
Link:
https://www.filescan.io/uploads/678e7aa5a133e9ca8d0d87ad/reports/e41a471c-c959-442d-9f2a-db0a179ef662/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/400dd263-c033-4f65-976c-302ffc8f970a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1595311
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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: 1595311 Sample: PO-Tooling CT240230231 - CT... Startdate: 20/01/2025 Architecture: WINDOWS Score: 100 63 mail.iaa-airferight.com 2->63 65 hlag.cc 2->65 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 15 other signatures 2->93 9 PO-Tooling CT240230231 - CTA240714.com.exe 15 6 2->9         started        14 wscript.exe 1 2->14         started        signatures3 process4 dnsIp5 67 hlag.cc 173.252.167.60, 49708, 49817, 80 SRS-6-Z-7381US United States 9->67 55 C:\Users\user\AppData\Roaming\app.exe, PE32 9->55 dropped 57 C:\Users\user\...\app.exe:Zone.Identifier, ASCII 9->57 dropped 59 C:\Users\user\AppData\Roaming\...\app.vbs, ASCII 9->59 dropped 103 Encrypted powershell cmdline option found 9->103 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->105 107 Writes to foreign memory regions 9->107 109 Injects a PE file into a foreign processes 9->109 16 InstallUtil.exe 2 9->16         started        20 powershell.exe 23 9->20         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        111 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->111 26 app.exe 14 3 14->26         started        file6 signatures7 process8 dnsIp9 61 mail.iaa-airferight.com 46.175.148.58, 25 ASLAGIDKOM-NETUA Ukraine 16->61 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->71 73 Tries to steal Mail credentials (via file / registry access) 16->73 75 Loading BitLocker PowerShell Module 20->75 28 WmiPrvSE.exe 20->28         started        30 conhost.exe 20->30         started        77 Uses ipconfig to lookup or modify the Windows network settings 22->77 32 conhost.exe 22->32         started        34 ipconfig.exe 1 22->34         started        36 conhost.exe 24->36         started        38 ipconfig.exe 1 24->38         started        79 Antivirus detection for dropped file 26->79 81 Multi AV Scanner detection for dropped file 26->81 83 Machine Learning detection for dropped file 26->83 85 2 other signatures 26->85 40 InstallUtil.exe 26->40         started        43 cmd.exe 26->43         started        45 cmd.exe 26->45         started        signatures10 process11 signatures12 95 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 40->95 97 Tries to steal Mail credentials (via file / registry access) 40->97 99 Tries to harvest and steal ftp login credentials 40->99 101 Tries to harvest and steal browser information (history, passwords, etc) 40->101 47 conhost.exe 43->47         started        49 ipconfig.exe 43->49         started        51 conhost.exe 45->51         started        53 ipconfig.exe 45->53         started        process13
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-01-20 06:58:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utvyaqpj44ateq562u4rumodxxmbhpggj6jivb3yxahhziyxpd4q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250120-t1x9ksylfk/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/5e81db6f-b352-41e9-b626-18428af7ba80
Unpacked files
SH256 hash:
a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9
MD5 hash:
1f33b2b038c4d62ef89483a746f86012
SHA1 hash:
c54c6647703964e2dc01f11f44cdcb29a112be90
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/4c116cb2-bd19-49d3-b46d-7712ca0388dd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4eb8041e9e7/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/a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9

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:NETexecutableMicrosoft
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: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.

Malspam

AgentTesla

zip 0f3ce026b0869cef3ad4f8fbd685e6b841b18455b80bcf1b3844e5574e7ac240

AgentTesla

Executable exe a4eb8041e9e7013243bed5391a31c3bdd813bcc64f928a8778b80e7ca31778f9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 0f3ce026b0869cef3ad4f8fbd685e6b841b18455b80bcf1b3844e5574e7ac240
  
Dropped by
MD5 a4ed0dd9d5420374f100741c3293fecd

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