MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9. 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: 11


Intelligence 11 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9
SHA3-384 hash: d3393439d352742538bb4eafcb75b2ebffc0537032ef8d78c5436063675ded57369138f1f84b83976f870f9af80664ba
SHA1 hash: 33d5f56b4da81998b8492c173e2877f7aec7eb20
MD5 hash: 2e2cf407979eb7abebacaee48d261823
humanhash: eighteen-delaware-december-quiet
File name:PO-20240510.xla
Download: download sample
Signature AgentTesla
Create hunting rule
File size:163'840 bytes
First seen:2024-05-10 13:06:17 UTC
Last seen:2024-05-21 10:29:04 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 3072:i8tq3KR9pLmLXZK8jcWxFkr4q9OXg1dXKqHxWrdR+Hi5kwFkEa:i6NCLXZtzq0g1h4ZRbkwNa
TLSH T17EF30224B3A6C105E12034B48DD4F4E791997E26FC1AE48B38C1FF9E2D774D6C1635AA
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:AgentTesla cve-2017-0199 xla xlsx

Intelligence

File Origin
# of uploads :
3
# of downloads :
476
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9.xlsx
Verdict:
No threats detected
Analysis date:
2024-05-10 13:11:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/47f04692-4bea-4c8c-936c-ea624c17bf5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a process with a hidden window
Possible injection to a system process
Connection attempt by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Creating a process from a recently created file
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9/results/dashboard
Payload URLs
URL
File name
http://dokdo.in/giU
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit macros masquerade shellcode
Link:
https://www.filescan.io/uploads/663e1c0554aa07c307f47799/reports/625e3f91-b8be-4bf6-888c-607b7dd2af56/overview
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1439614
Signature
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Office viewer loads remote template
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Shellcode detected
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell download and load assembly
Sigma detected: Powershell download payload from hardcoded c2 list
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 steal Mail credentials (via file / registry access)
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1439614 Sample: PO-20240510.xla.xlsx Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 50 dokdo.in 2->50 78 Snort IDS alert for network traffic 2->78 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 84 23 other signatures 2->84 10 EXCEL.EXE 52 46 2->10         started        signatures3 process4 dnsIp5 54 dokdo.in 104.21.71.191, 443, 49165, 49166 CLOUDFLARENETUS United States 10->54 56 fridayyyyvert.3utilities.com 192.3.101.142, 49167, 49177, 49178 AS-COLOCROSSINGUS United States 10->56 46 frideurpearoundhav...ifulthingsto[1].doc, ISO-8859 10->46 dropped 14 wscript.exe 11 10->14         started        18 WINWORD.EXE 337 37 10->18         started        file6 process7 dnsIp8 60 paste.ee 14->60 62 paste.ee 104.21.84.67, 443, 49179 CLOUDFLARENETUS United States 14->62 98 System process connects to network (likely due to code injection or exploit) 14->98 100 Suspicious powershell command line found 14->100 102 Wscript starts Powershell (via cmd or directly) 14->102 112 4 other signatures 14->112 21 powershell.exe 4 14->21         started        64 fridayyyyvert.3utilities.com 18->64 66 dokdo.in 18->66 68 172.67.148.22, 443, 49168, 49169 CLOUDFLARENETUS United States 18->68 36 C:\Users\user\AppData\Roaming\...\giU.url, MS 18->36 dropped 38 C:\Users\user\AppData\...\dokdo.in.url, MS 18->38 dropped 40 ~WRF{CB6CA4FA-CAF8...6-41958421FC45}.tmp, Composite 18->40 dropped 42 C:\Users\user\AppData\Local\...\C4A66826.doc, ISO-8859 18->42 dropped 104 Microsoft Office launches external ms-search protocol handler (WebDAV) 18->104 106 Office viewer loads remote template 18->106 108 Microsoft Office drops suspicious files 18->108 24 EQNEDT32.EXE 12 18->24         started        file9 110 Connects to a pastebin service (likely for C&C) 60->110 signatures10 process11 dnsIp12 86 Suspicious powershell command line found 21->86 28 powershell.exe 12 5 21->28         started        52 fridayyyyvert.3utilities.com 24->52 44 C:\Users\...\uropfrridayedatingloverf.vbs, Unicode 24->44 dropped 88 Office equation editor establishes network connection 24->88 90 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 24->90 file13 signatures14 process15 dnsIp16 58 uploaddeimagens.com.br 104.21.45.138, 443, 49180, 49181 CLOUDFLARENETUS United States 28->58 92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->92 94 Writes to foreign memory regions 28->94 96 Injects a PE file into a foreign processes 28->96 32 AddInProcess32.exe 12 2 28->32         started        signatures17 process18 dnsIp19 48 ip-api.com 208.95.112.1, 49183, 80 TUT-ASUS United States 32->48 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 32->70 72 Tries to steal Mail credentials (via file / registry access) 32->72 74 Tries to harvest and steal browser information (history, passwords, etc) 32->74 76 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 32->76 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9/
Threat name:
Document-Office.Exploit.CVE-2017-0199
Create hunting rule
Status:
Malicious
First seen:
2024-05-10 10:24:07 UTC
File Type:
Document
Extracted files:
41
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqmjgaclygv2vvvmboucj4snomm2nm5xrgz3aamba3cc764gn7eq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240510-qcmldsgb9s/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Abuses OpenXML format to download file from external location
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c1893004bc1/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/3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9

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:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

AgentTesla

Excel file xlsx 3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9

(this sample)

AgentTesla

Word file doc f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73

  
Dropping
SHA256 f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73
  
Dropping
MD5 c46f92a410d2ba774146b68c7f245d35
  
Dropping
SHA256 65cba6ef850c80b260bf2be5f87384fe6d34d53c9198591311aa089b6ed5e21c
  
Dropping
MD5 ddb01403abe1313b61a528b397dd11fe
  
Dropping
SHA256 1c31b45b07f429dd0296160da45db469a64a7e2661fd8488971519d1afa88b0f
  
Dropping
MD5 4839467492ca995ede8598aa0e632fee

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