MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62fc6d29fad7d1c5211dc1b4ddf11eeaced03b8a56f434e7bb6e2705d17ed991. 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


Maldoc score: 7


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 62fc6d29fad7d1c5211dc1b4ddf11eeaced03b8a56f434e7bb6e2705d17ed991
SHA3-384 hash: 90e2ab9d2441e39d02b2a437bb85a0780adf18e310ab569d7f0b01578c8bb49632d34a5f0a7693d8539261f1d444271e
SHA1 hash: 726d4ceef4d2c27c363e5a03617b026da9b8a4c6
MD5 hash: e7af12420f63ec1bafa45db265a484a4
humanhash: twenty-monkey-thirteen-bacon
File name:PI.xlsm
Download: download sample
Signature AgentTesla
File size:145'753 bytes
First seen:2020-12-15 07:29:25 UTC
Last seen:2020-12-15 09:47:39 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:zg+7iXPIXUJksB977w3mv8fdwLmG9s80okHwjzjoki9cIyhGfaZWDClt5PD:zn2XwkCS7k3XOmT/QzXIWGfaZW+lT
TLSH 67E39D479112A793D02893F83F1B4E9C6B15AB1CE5C2BCDB04621CDB3BE53221D9E65E
Reporter abuse_ch
Tags:AgentTesla xlsm


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.alnapedh.com
Sending IP: 173.249.158.65
From: r.giannakopoulou@jianedp-group.com
Subject: Request for New Pi
Attachment: PI.xlsm

AgentTesla payload URL:
http://modernacademycancun.org/vendor/phpunit/phpunit/src/Util/PHP/braaa/chi/chidu.exe

AgentTesla FTP exfil server:
ftp.liftek-intl.xyz:21

AgentTesla FTP exfil user name:
chidubem@liftek-intl.xyz

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: 7
OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section IDSection sizeSection name
A1410 bytesPROJECT
A262 bytesPROJECTwm
A31180 bytesVBA/Sheet1
A43924 bytesVBA/ThisWorkbook
A52879 bytesVBA/_VBA_PROJECT
A61863 bytesVBA/__SRP_0
A7451 bytesVBA/__SRP_1
A8432 bytesVBA/__SRP_2
A9106 bytesVBA/__SRP_3
A10865 bytesVBA/__SRP_4
A11318 bytesVBA/__SRP_5
A12515 bytesVBA/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
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
SuspiciousShellMay run an executable file or a system command
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
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 :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI.xlsm
Verdict:
Malicious activity
Analysis date:
2020-12-15 07:32:35 UTC
Tags:
macros macros-on-open opendir loader trojan rat agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a window
Creating a process with a hidden window
DNS request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process by context flags manipulation
Running batch commands by exploiting the app vulnerability
Launching a file downloaded from the Internet
Sending an HTTP GET request to an infection source
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Document image
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...
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (process start blacklist hit)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell download file and shellexecute
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 330669 Sample: PI.xlsm Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 35 ftp.liftek-intl.xyz 2->35 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->43 45 7 other signatures 2->45 10 EXCEL.EXE 57 14 2->10         started        signatures3 process4 file5 31 C:\Users\user\Desktop\~$PI.xlsm, data 10->31 dropped 65 Document exploit detected (process start blacklist hit) 10->65 14 cmd.exe 10->14         started        signatures6 process7 signatures8 67 Suspicious powershell command line found 14->67 69 Tries to download and execute files (via powershell) 14->69 17 powershell.exe 12 7 14->17         started        process9 dnsIp10 33 modernacademycancun.org 162.241.203.106, 49167, 80 OIS1US United States 17->33 29 C:\Users\user\AppData\Roaming\iEBAZ.exe, PE32 17->29 dropped 47 Powershell drops PE file 17->47 22 iEBAZ.exe 17->22         started        file11 signatures12 process13 signatures14 49 Multi AV Scanner detection for dropped file 22->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->51 53 Machine Learning detection for dropped file 22->53 55 2 other signatures 22->55 25 iEBAZ.exe 12 10 22->25         started        process15 dnsIp16 37 ftp.liftek-intl.xyz 25->37 57 Tries to steal Mail credentials (via file access) 25->57 59 Tries to harvest and steal ftp login credentials 25->59 61 Tries to harvest and steal browser information (history, passwords, etc) 25->61 63 Installs a global keyboard hook 25->63 signatures17
Threat name:
Document-Excel.Trojan.Wacatac
Status:
Malicious
First seen:
2020-12-15 07:30:06 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
AgentTesla
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://modernacademycancun.org/vendor/phpunit/phpunit/src/Util/PHP/braaa/chi/chidu.exe
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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria
Rule name:win_agent_tesla_v1
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 xlsm 62fc6d29fad7d1c5211dc1b4ddf11eeaced03b8a56f434e7bb6e2705d17ed991

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments