MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34189b707357341fdac1882ea7a727bad321fe30593396803da601c45def63ad. 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: 5


Maldoc score: 6


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34189b707357341fdac1882ea7a727bad321fe30593396803da601c45def63ad
SHA3-384 hash: 8292b75f571121f5cb7cb695db71cf71131422557f17353d9a262fb98b5c173524a36b4f62b827c651cddc48c94fa8c6
SHA1 hash: 6bcc35d9be0077132ee300c4b8ec010c31e1e8b7
MD5 hash: 81267c32bd2cdc01a4090dc540e333a9
humanhash: six-cardinal-equal-carpet
File name:Hm0L8.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:120'832 bytes
First seen:2020-11-26 07:11:44 UTC
Last seen:2020-11-26 08:42:51 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:4mk3hOdsylKlgryzc4bNhZFGzE+cL2kncxwy1DsaLNT0a8inR65SKXk9evwRq+DP:dk3hOdsylKlgryzc4bNhZF+E+W2knSgS
TLSH 32C35A579945CF83D41C83F87E174E992B1BBF19A9826ACF21267F1B3B712610C4E12E
Reporter cocaman
Tags:AgentTesla xls


Avatar
cocaman
Malicious email (T1566.001)
From: ""Toko Kaiun Kaisha, Ltd" <sungkwangmedtech@gmail.com>" (likely spoofed)
Received: "from gmail.com (unknown [185.222.57.137]) "
Date: "26 Nov 2020 04:50:41 +0100"
Subject: "Official Purchase Order P.O. Material Requirements"
Attachment: "Hm0L8.xls"

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 6
Application name is unknown
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 10 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2228 bytesDocumentSummaryInformation
3176 bytesSummaryInformation
4113873 bytesWorkbook
5484 bytes_VBA_PROJECT_CUR/PROJECT
671 bytes_VBA_PROJECT_CUR/PROJECTwm
7741 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
87 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
9172 bytes_VBA_PROJECT_CUR/VBA/bedbewlbq
10221 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousCreateObjectMay create an OLE object
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Powershell
Possibly Powershell fragment found embedded.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/547829
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates processes via WMI
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Powershell drops PE file
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: Suspicious Program Location Process Starts
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 323035 Sample: Hm0L8.xls Startdate: 26/11/2020 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 10 other signatures 2->46 7 powershell.exe 20 2->7         started        11 powershell.exe 14 22 2->11         started        14 EXCEL.EXE 27 20 2->14         started        16 vlc.exe 2->16         started        process3 dnsIp4 36 192.168.2.1 unknown unknown 7->36 34 C:\Users\Public\qfoyeqev.exe, PE32 7->34 dropped 18 qfoyeqev.exe 16 5 7->18         started        22 conhost.exe 7->22         started        38 sparepartiran.com 162.223.88.131, 49741, 49742, 80 COLOUPUS United States 11->38 52 Drops PE files to the user root directory 11->52 54 Powershell drops PE file 11->54 24 qfoyeqev.exe 2 11->24         started        26 conhost.exe 11->26         started        28 splwow64.exe 14->28         started        file5 signatures6 process7 file8 32 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 18->32 dropped 48 Multi AV Scanner detection for dropped file 18->48 50 Injects a PE file into a foreign processes 18->50 30 qfoyeqev.exe 18->30         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/34189b707357341fdac1882ea7a727bad321fe30593396803da601c45def63ad/
Threat name:
Script-Macro.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-11-26 02:23:01 UTC
File Type:
Document
Extracted files:
17
AV detection:
16 of 29 (55.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gqmjw4dtk42b7wwbraxkpjzhxljsd7rqlezznab5uya4ixppmowq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/201126-abyzdq8dx2/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Office loads VBA resources, possible macro or embedded object present
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:PowerShell_in_Word_Doc
Create hunting rule
Author:Florian Roth
Description:Detects a powershell and bypass keyword in a Word document
Reference:Internal Research - ME
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Excel file xls 34189b707357341fdac1882ea7a727bad321fe30593396803da601c45def63ad

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

Comments