MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1912f5c4fd7d4edda44d4e7a0db0b04329ac31103c3fb4b23030dbb9758d4b85. 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: 12


Maldoc score: 17


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 1912f5c4fd7d4edda44d4e7a0db0b04329ac31103c3fb4b23030dbb9758d4b85
SHA3-384 hash: 4f40619c1d923117788b7940a49e7e013fcd8a5c721aaccfdb985f66be07f2f4830edaa4141d1380bbf5ac1af636e905
SHA1 hash: 33739b475fcf1319cec2007ca7e8a05d98e4cd6a
MD5 hash: f3fdc3313e3d18976fc1645f0e4ecd2c
humanhash: cold-moon-october-glucose
File name:INTERNATIONAL PHARMA LABS PRODUCT .xlsm
Download: download sample
Signature AgentTesla
File size:736'282 bytes
First seen:2023-01-23 18:32:22 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:w9yIS1W2v1XJGMO40rS85YZ/457cqCkvfqfuppdOBWtrWbJn/tz+219iiULFc/zN:whSH1Xw5rt5XcqCkvCfuppdtV0VFr/hp
TLSH T1E4F433BE8064CBC3FD27C4108C92AA20A96E01D849B5D5AF89B0D25DF3D86D8F15937B
TrID 42.2% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13)
29.1% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12)
17.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
8.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
2.0% (.ZIP) ZIP compressed archive (4000/1)
Reporter abuse_ch
Tags:AgentTesla xlsm


Avatar
abuse_ch
Payload URL:
http://3.65.2.139/read/Phdymmrmanm.exe

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: 17
OLE dump

MalwareBazaar was able to identify 7 sections in this file using oledump:

Section IDSection sizeSection name
A1474 bytesPROJECT
A262 bytesPROJECTwm
A3169 bytesVBA/Sheet1
A4633 bytesVBA/ThisWorkbook
A57 bytesVBA/_VBA_PROJECT
A6209 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
IOC3.65.2.139IPv4 address
IOCPhdymmrmanm.exeExecutable file name
SuspiciousShellMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciouspowershellMay run PowerShell commands
SuspiciousexecutionpolicyMay run PowerShell commands
SuspiciousStart-ProcessMay run an executable file or a system command using PowerShell
SuspiciousCreateObjectMay create an OLE object
SuspiciousExecMay run an executable file or a system
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INTERNATIONAL PHARMA LABS PRODUCT .xlsm
Verdict:
Malicious activity
Analysis date:
2023-01-23 18:35:17 UTC
Tags:
macros macros-on-open loader

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
Searching for the window
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Payload URLs
URL
File name
3.65.2.139
ThisWorkbook
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros macros-on-open packed
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
99%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Powershell in Macro
Detected a macro that may utilize Powershell. Such pivots are commonly found in malware.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Malicious Scriptlet 7 of 7
Detected a malicious pivot typically seen during the 'file-less' pivot commonly seen in malware carriers.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
expl.evad.troj.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Suspicious powershell command line found
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790012 Sample: INTERNATIONAL PHARMA LABS P... Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 51 api4.ipify.org 2->51 53 api.telegram.org 2->53 55 api.ipify.org 2->55 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->69 71 11 other signatures 2->71 10 EXCEL.EXE 27 25 2->10         started        14 Hcvmzd.exe 1 2->14         started        16 Hcvmzd.exe 2->16         started        signatures3 process4 file5 47 ~$INTERNATIONAL PH... LABS PRODUCT .xlsm, data 10->47 dropped 81 Suspicious powershell command line found 10->81 18 powershell.exe 15 20 10->18         started        83 Machine Learning detection for dropped file 14->83 85 Encrypted powershell cmdline option found 14->85 23 powershell.exe 14->23         started        25 powershell.exe 16->25         started        signatures6 process7 dnsIp8 57 3.65.2.139, 49709, 80 AMAZON-02US United States 18->57 45 C:\Users\user\AppData\Local\...\tmpD789.exe, PE32 18->45 dropped 73 Powershell drops PE file 18->73 27 tmpD789.exe 1 4 18->27         started        31 conhost.exe 18->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        file9 signatures10 process11 file12 49 C:\Users\user\AppData\Roaming\...\Hcvmzd.exe, PE32 27->49 dropped 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->87 89 May check the online IP address of the machine 27->89 91 Machine Learning detection for dropped file 27->91 93 3 other signatures 27->93 37 tmpD789.exe 14 2 27->37         started        41 powershell.exe 13 27->41         started        signatures13 process14 dnsIp15 59 api4.ipify.org 64.185.227.155, 443, 49715, 49720 WEBNXUS United States 37->59 61 api.telegram.org 149.154.167.220, 443, 49717, 49721 TELEGRAMRU United Kingdom 37->61 63 2 other IPs or domains 37->63 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 37->75 77 Tries to steal Mail credentials (via file / registry access) 37->77 79 Tries to harvest and steal browser information (history, passwords, etc) 37->79 43 conhost.exe 41->43         started        signatures16 process17
Gathering data
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection macro persistence spyware stealer
Behaviour
Checks processor information in registry
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
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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
Downloads MZ/PE file
Executes dropped EXE
Process spawned unexpected child process
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:vbaproject_bin
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

File information


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

Malspam

AgentTesla

Excel file xlsm 1912f5c4fd7d4edda44d4e7a0db0b04329ac31103c3fb4b23030dbb9758d4b85

(this sample)

  
Delivery method
Distributed via e-mail attachment

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