MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3aa6ad01c6ecba1f5ab8c5ddeb0404bb201e1462e8159d16f6314a36dcae430. 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



Emotet (aka Heodo)


Vendor detections: 8


Maldoc score: 15


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: b3aa6ad01c6ecba1f5ab8c5ddeb0404bb201e1462e8159d16f6314a36dcae430
SHA3-384 hash: 84833c124f5706d36847fcf9005961663417235ec60fe8e0f9c6f8a52dbd002feeb9480c9e0f96da867e2869b117993d
SHA1 hash: 7ae061c7e08d26aefeb64ceb076d8f1ab4805d28
MD5 hash: f529014faf6cb2575a9724c294cf7102
humanhash: robin-vegan-diet-six
File name:tmp1w2hgvpq
Download: download sample
Signature Heodo
File size:96'824 bytes
First seen:2022-02-08 09:27:44 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 1536:LwS+HEAnWJnvb8eYYgoMbqa6G/v+cL2xdEc/Peu7Q1xOj5272BvqSK15+lS+XlQD:LwS+HEAnWJnvb8eYYgoMbqa6G/v+cL2s
TLSH T1CD93499233D1C845DB22073A4DD697BA6776FC128FA24347324AB74F2EB29909D13B17
Reporter Cryptolaemus1
Tags:Emotet epoch4 Heodo xlsx

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: 15
OLE dump

MalwareBazaar was able to identify 16 sections in this file using oledump:

Section IDSection sizeSection name
1108 bytesCompObj
2392 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
460837 bytesWorkbook
5593 bytes_VBA_PROJECT_CUR/PROJECT
6107 bytes_VBA_PROJECT_CUR/PROJECTwm
718659 bytes_VBA_PROJECT_CUR/VBA/Module1
8985 bytes_VBA_PROJECT_CUR/VBA/Sheet1
9985 bytes_VBA_PROJECT_CUR/VBA/Sheet2
10993 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
113183 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
121641 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
1389 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
14542 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
15149 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
16591 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
AutoExecAuto_OpenRuns when the Excel Workbook is opened
IOC91.240.118.172IPv4 address
SuspiciousopenMay open a file
SuspiciousputMay write to a file (if combined with Open)
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousShowWindowMay hide the application
SuspiciousGetObjectMay get an OLE object with a running instance
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 :
130
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
DNS request
Creating a window
Сreating synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Possible injection to a system process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
http://91.240.118.172/hh/hh.html
Module1
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm macros macros-on-open mshta mshta.exe
Label:
Malicious
Suspicious Score:
7.9/10
Score Malicious:
8%
Score Benign:
2%
Threat name:
Script-Macro.Trojan.Emotet
Status:
Malicious
First seen:
2022-02-08 09:28:12 UTC
File Type:
Document
Extracted files:
24
AV detection:
9 of 43 (20.93%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro macro_on_action suricata
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Blocklisted process makes network request
Process spawned unexpected child process
suricata: ET MALWARE PowerShell Script Downloading Emotet DLL
Malware Config
Dropper Extraction:
http://91.240.118.172/hh/hh.html
http://91.240.118.172/hh/hello.png
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:buerloader_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Qbot
Author:Dhanunjaya
Description:Yara Rule to Detect Qbot
Rule name:zloader_halo_generated
Author:Halogen Generated Rule, Corsin Camichel

File information


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

Comments