MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b. 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 14 File information Comments
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SHA256 hash: 28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b
SHA3-384 hash: d37954a4ac4e8ccd3e3b2516584990ca8733f5bfcbbe9f58af7ddbf5ad0f5cc8d88ec96d364409547bd0837559fa1d78
SHA1 hash: f4f9b32bbb846f0a478919e1fe0b4ce886b4008b
MD5 hash: eb44ad58aec67386c1974418d81de1ca
humanhash: robert-west-nuts-leopard
File name:SecuriteInfo.com.Trojan.PackedNET.2574.18399.18007
Download: download sample
Signature AgentTesla
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File size:653'312 bytes
First seen:2024-01-08 17:19:43 UTC
Last seen:2024-01-09 08:06:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:s45rrLKV5FfZ6BPIZBl3J8HuXYzBfkJXCz:F5rW5pZ0wZ3J80YT
TLSH T1EED4120AB3B4DB32ED765FBA3231814647F1BB3B2201EA85ECC527CEA656F118550E17
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
351
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b.exe
Verdict:
Malicious activity
Analysis date:
2024-01-08 17:39:13 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/7ece9c96-d073-4301-a025-f8e5d642b5ca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/469903/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Trojan.PackedNET.2574.18399.18007.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/659c2ec43b363792f3579a87/reports/431ae401-dcef-4c06-ad87-a58f691593a0/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e427547-fe52-4765-837a-7947c6f7dea3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1371385
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Contains VNC / remote desktop functionality (version string found)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371385 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 08/01/2024 Architecture: WINDOWS Score: 100 61 mail9270.maychuemail.com 2->61 63 mail.huyhoangvn.vn 2->63 65 2 other IPs or domains 2->65 71 Snort IDS alert for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 10 other signatures 2->77 8 SecuriteInfo.com.Trojan.PackedNET.2574.18399.18007.exe 7 2->8         started        12 BKEwNasCl.exe 2->12         started        14 mjBSumU.exe 2->14         started        16 mjBSumU.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\BKEwNasCl.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\Temp\tmp10A.tmp, XML 8->59 dropped 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->91 93 Uses schtasks.exe or at.exe to add and modify task schedules 8->93 95 Adds a directory exclusion to Windows Defender 8->95 18 SecuriteInfo.com.Trojan.PackedNET.2574.18399.18007.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        35 3 other processes 8->35 97 Antivirus detection for dropped file 12->97 99 Multi AV Scanner detection for dropped file 12->99 101 Machine Learning detection for dropped file 12->101 103 Contains functionality to register a low level keyboard hook 12->103 25 BKEwNasCl.exe 12->25         started        37 2 other processes 12->37 105 Injects a PE file into a foreign processes 14->105 27 mjBSumU.exe 14->27         started        29 schtasks.exe 14->29         started        31 mjBSumU.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 67 mail9270.maychuemail.com 112.213.92.70, 49735, 49737, 49738 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 18->67 69 api4.ipify.org 173.231.16.77, 443, 49732, 49736 WEBNXUS United States 18->69 53 C:\Users\user\AppData\Roaming\...\mjBSumU.exe, PE32 18->53 dropped 55 C:\Users\user\...\mjBSumU.exe:Zone.Identifier, ASCII 18->55 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->79 81 Tries to steal Mail credentials (via file / registry access) 18->81 83 Contains VNC / remote desktop functionality (version string found) 18->83 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        85 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->85 87 Installs a global keyboard hook 25->87 43 conhost.exe 29->43         started        89 Tries to harvest and steal browser information (history, passwords, etc) 31->89 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-01-08 06:21:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
13 of 37 (35.14%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdgq2nmtvyqhvgwh2tfu5o3nfaut3niotzicnzyd4s7vnkb6ponq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240108-vwd6ksfaf2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b
MD5 hash:
eb44ad58aec67386c1974418d81de1ca
SHA1 hash:
f4f9b32bbb846f0a478919e1fe0b4ce886b4008b
Link:
https://www.unpac.me/results/aecdeff7-105a-4be4-ba9f-fc5c574dca97/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28cd0d3593ae/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/28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b

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:AgentTeslaV3
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Malspam

AgentTesla

zip 4eb3ccd2f536eb381ec85b2c723d16751811548f6d070d9ca2b9e7e4e8324c73

AgentTesla

Executable exe 28cd0d3593ae207a9ac7d4cb4ebb6d28293db50e9e5026e703e4bf56a83e7b9b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/469903/
  
Dropped by
SHA256 4eb3ccd2f536eb381ec85b2c723d16751811548f6d070d9ca2b9e7e4e8324c73
  
Dropped by
MD5 c136a09f5015320d2e7e48bb45186764

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