MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15aa41786d632735a0981293b770f2db64586e0b2a268de484800de9e5b9ea6. 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: 11


Maldoc score: 16


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a15aa41786d632735a0981293b770f2db64586e0b2a268de484800de9e5b9ea6
SHA3-384 hash: dea4e5b63e5b089fc1e3a3627a11b2cfe122ed767a85245ac07fb22115d2d54513c07e23f472317da278aa4667ec034d
SHA1 hash: feb6c3ba52b40fddfefb9b7f3857c0447152ae92
MD5 hash: 1e84e33887d33c09c3a5376afa67d457
humanhash: happy-muppet-diet-cat
File name:brightcomms.com.xls
Download: download sample
Signature Heodo
Create hunting rule
File size:155'136 bytes
First seen:2022-02-01 20:05:01 UTC
Last seen:2022-02-07 00:18:56 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:gcKoSsxzNDZLDZjlbR868O8KlVH3dehvMqAPjxO5xyZUE5V5xtezEVg8/dg/Gx0U:gcKoSsxzNDZLDZjlbR868O8KlVH3deh2
TLSH T154E36A6676C5D9D6DB0927310E9ACAEE27277C838E7603C77189F30E2D7B1509AC2706
Reporter abuse_ch
Tags:Emotet Heodo xls


Avatar
abuse_ch
Emotet payload URLs:
http://ilifetrend.com/wp-admin/qC/

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: 16
OLE dump

MalwareBazaar was able to identify 25 sections in this file using oledump:

Section IDSection sizeSection name
1109 bytesCompObj
2220 bytesDocumentSummaryInformation
3204 bytesSummaryInformation
4109792 bytesWorkbook
5776 bytes_VBA_PROJECT_CUR/PROJECT
6227 bytes_VBA_PROJECT_CUR/PROJECTwm
797 bytes_VBA_PROJECT_CUR/UserForm1/CompObj
8291 bytes_VBA_PROJECT_CUR/UserForm1/VBFrame
9311 bytes_VBA_PROJECT_CUR/UserForm1/f
10236 bytes_VBA_PROJECT_CUR/UserForm1/o
111111 bytes_VBA_PROJECT_CUR/VBA/GasregaSRHA457urd
128412 bytes_VBA_PROJECT_CUR/VBA/JSe546sdgasdgdf
131649 bytes_VBA_PROJECT_CUR/VBA/UserForm1
146918 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
152350 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
16335 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
17300 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
18216 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
19360 bytes_VBA_PROJECT_CUR/VBA/__SRP_6
20140 bytes_VBA_PROJECT_CUR/VBA/__SRP_7
21676 bytes_VBA_PROJECT_CUR/VBA/__SRP_8
22103 bytes_VBA_PROJECT_CUR/VBA/__SRP_9
234611 bytes_VBA_PROJECT_CUR/VBA/dASFw3sggsffHNGFJ
24997 bytes_VBA_PROJECT_CUR/VBA/dir
254842 bytes_VBA_PROJECT_CUR/VBA/fgkwjkFGzaxd
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
AutoExecTextBox1_ChangeRuns when the file is opened and ActiveX objects trigger events
SuspiciousOpenMay open a file
SuspiciousOutputMay write to a file (if combined with Open)
SuspiciousCreateObjectMay create an OLE object
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
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)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
8
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/229367/
Detection(s):
TwinWave.MacroDoc.CROSPLICEMINESOFKESSEL.20191220.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ICEDIDOGORiginalGangsterCROMethodsM1.20200923.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROIndirectionGamesLeave.20210428.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.PowerShell.Agent-19.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Doc.badxls.UNOFFICIAL
Create hunting rule

MiscreantPunch.EvilMacro.PSHELLB64INVOKEDASHWINVOKEDASHW.6.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.4.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.8.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.1.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.4.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.8.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Moving a recently created file
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/a15aa41786d632735a0981293b770f2db64586e0b2a268de484800de9e5b9ea6/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros macros-on-open
Link:
https://www.filescan.io/uploads/61f99285a0f6a794b33152f7/reports/90d5068b-8377-4e36-881a-18646658f39b/overview
Label:
Malicious
Suspicious Score:
8.8/10
Score Malicious:
89%
Score Benign:
11%
Link:
https://www.malware.ai/gui/files/?id=78206fbd-256b-4478-9eb5-f02523e11091
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/a15aa41786d632735a0981293b770f2db64586e0b2a268de484800de9e5b9ea6
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/932131
Signature
Antivirus detection for URL or domain
Document contains an embedded macro with GUI obfuscation
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA with base64 encoded strings
Document contains OLE streams with names of living off the land binaries
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Malicious encrypted Powershell command line found
Microsoft Office drops suspicious files
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Potential dropper URLs found in powershell memory
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: WScript or CScript Dropper
Very long command line found
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 564610 Sample: brightcomms.com.xls Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 11 other signatures 2->53 9 EXCEL.EXE 189 23 2->9         started        process3 file4 45 C:\Users\user\Desktop\brightcomms.com.xls, Composite 9->45 dropped 63 Document exploit detected (creates forbidden files) 9->63 65 Microsoft Office drops suspicious files 9->65 13 wscript.exe 1 9->13         started        16 wscript.exe 9->16         started        18 wscript.exe 1 9->18         started        signatures5 process6 signatures7 67 Wscript starts Powershell (via cmd or directly) 13->67 20 cmd.exe 13->20         started        23 cmd.exe 13->23         started        25 cmd.exe 16->25         started        27 cmd.exe 16->27         started        29 cmd.exe 18->29         started        31 cmd.exe 18->31         started        process8 signatures9 55 Malicious encrypted Powershell command line found 20->55 57 Wscript starts Powershell (via cmd or directly) 20->57 59 Very long command line found 20->59 33 powershell.exe 6 20->33         started        35 rundll32.exe 23->35         started        37 powershell.exe 25->37         started        39 rundll32.exe 27->39         started        61 Encrypted powershell cmdline option found 29->61 41 powershell.exe 7 29->41         started        process10 process11 43 rundll32.exe 33->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a15aa41786d632735a0981293b770f2db64586e0b2a268de484800de9e5b9ea6/
Threat name:
Document-Excel.Trojan.Bomber
Create hunting rule
Status:
Malicious
First seen:
2022-02-01 20:05:13 UTC
File Type:
Document
Extracted files:
32
AV detection:
14 of 43 (32.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufnkif4g2yzhgwqjqeutw5ypfw3elbxawkrgrxsijaan5hs3t2ta._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro macro_on_action persistence
Link:
https://tria.ge/reports/220201-ytvx4abbem/
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
Sets service image path in registry
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://moneyquote.ja.deals/assets/jcCwxvuSRpES7VhWxj/
https://vestaseguridad.com.ar/wp-content/7JD9gufnwG/
https://mail.reddeeducacionvirtual.com/wp-includes/BqJi1K/
http://veluxcounterapi.orbitalwaves.it/assets/WW9KfK84odoSl7/
http://mylibass.in/wp-content/SYERoa6um9/
https://www.edhacare.com/Fox-C404/XDEQNngeH6Dg/
http://openhouse.co.zw/admin/l0nzhQ/
http://ilifetrend.com/wp-admin/qC/
http://sedes.si/wordpress/UVpGY5pQBX5X7pMxHs/
https://farmandcity.co.zw/error/9pMLU0bJGCFBDN/
https://jbjautos.com/wp-content/oliWhutvCp/
https://jewelleryquote.ja.deals/assets/qVk7Jd/
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/a15aa41786d632735a0981293b770f2db64586e0b2a268de484800de9e5b9ea6

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/229367/

Comments