MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e92b19cb2f281114eb2db737edd370bcf7d5ea35e84f07976d8d680abdb7d654. 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


Threat unknown


Vendor detections: 10


Maldoc score: 9


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e92b19cb2f281114eb2db737edd370bcf7d5ea35e84f07976d8d680abdb7d654
SHA3-384 hash: b900dd802c755a961ccffe9ff55f5701f636b8c1e8aa4a7dcbd510451f494394c9c52046b57b5876b3f1ad808a3735f0
SHA1 hash: f56037fef79c9dfc497f863aafc388a4800cb04e
MD5 hash: a0c7963611e48a1d9ee3d36eb238eff0
humanhash: batman-purple-skylark-artist
File name:PO 01032021.xlsm
Download: download sample
File size:393'485 bytes
First seen:2021-03-02 09:42:05 UTC
Last seen:2021-03-02 11:42:52 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:4xxYeFTHhUvVobTgNh4154M3yuTX8Jr3XqpEiVD1:aRjZQ41abYMJTapj5
TLSH BE84121EF671E54CEE9750B0DAE42EE56368CE23D0EE7D929533A3CC7A0936211114DE
Reporter abuse_ch
Tags:xlsm


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: sayyess.xyz
Sending IP: 103.109.37.105
From: Abrand Sdn Bhd <admin@sayyess.xyz>
Subject: A long term business proposal. Purchase Order Attached.
Attachment: PO 01032021.xlsm

Payload URL:
http://188.127.254.61/654323456787654.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: 9
OLE dump

MalwareBazaar was able to identify 9 sections in this file using oledump:

Section IDSection sizeSection name
A1526 bytesPROJECT
A2104 bytesPROJECTwm
A3991 bytesVBA/Sheet1
A4991 bytesVBA/Sheet2
A5991 bytesVBA/Sheet3
A64713 bytesVBA/ThisWorkbook
A72942 bytesVBA/_VBA_PROJECT
A8551 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
IOCowershell.exeExecutable file name
SuspiciousRunMay run an executable file or a system command
SuspiciousGetObjectMay get an OLE object with a running instance
SuspiciousSystemMay run an executable file or a system command on a Mac (if combined with libc.dylib)
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 :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 01032021.xlsm
Verdict:
Malicious activity
Analysis date:
2021-03-02 09:53:11 UTC
Tags:
macros macros-on-open loader evasion
Link:
https://app.any.run/tasks/0af72aec-4e02-4b2a-b72e-7c7f76781334

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
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/120890/
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200322.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200630.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EvilMrFantasyIceIsNiceEdition.20200806.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.GOStringGamesBangBang.20200908.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ICEDIDOGORiginalGangsterGOMethodsM1.20200923.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.NET.WEBCLIENT.201130.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.HTTP
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Sending a custom TCP request
Deleting a recently created file
Sending an HTTP GET request
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Setting a global event handler
Launching a process by exploiting the app vulnerability
Sending an HTTP GET request to an infection source
Result
Verdict:
Suspicious
File Type:
Excel File with Macro
Link:
https://app.docguard.net/e92b19cb2f281114eb2db737edd370bcf7d5ea35e84f07976d8d680abdb7d654/results/dashboard
Document image
Image:
Download PNG
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 Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/623578
Signature
Document exploit detected (process start blacklist hit)
Installs a global keyboard hook
May check the online IP address of the machine
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: Microsoft Office Product Spawning Windows Shell
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 360790 Sample: PO 01032021.xlsm Startdate: 02/03/2021 Architecture: WINDOWS Score: 92 71 Multi AV Scanner detection for domain / URL 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->75 77 2 other signatures 2->77 10 EXCEL.EXE 57 14 2->10         started        process3 file4 45 C:\Users\user\Desktop\~$PO 01032021.xlsm, data 10->45 dropped 81 Document exploit detected (process start blacklist hit) 10->81 14 powershell.exe 12 7 10->14         started        signatures5 process6 dnsIp7 63 188.127.254.61, 49165, 80 DHUBRU Russian Federation 14->63 55 C:\Users\user\AppData\Local\...\ZLTpzSdUz.exe, PE32 14->55 dropped 67 Powershell drops PE file 14->67 19 ZLTpzSdUz.exe 21 14->19         started        file8 signatures9 process10 file11 35 C:\Users\user\AppData\...\unicodedata.pyd, PE32 19->35 dropped 37 C:\Users\user\...\tinyaes.cp37-win32.pyd, PE32 19->37 dropped 39 C:\Users\user\AppData\Local\...\select.pyd, PE32 19->39 dropped 41 11 other files (none is malicious) 19->41 dropped 79 Multi AV Scanner detection for dropped file 19->79 23 ZLTpzSdUz.exe 2 19->23         started        signatures12 process13 dnsIp14 59 teknik.io 5.79.72.163, 443, 49167 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 23->59 61 u.teknik.io 23->61 43 C:\Users\user\AppData\...\w1614713931.exe, PE32 23->43 dropped 27 w1614713931.exe 100 23->27         started        file15 process16 file17 47 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32 27->47 dropped 49 C:\Users\user\AppData\Local\...\win32ui.pyd, PE32 27->49 dropped 51 C:\Users\user\AppData\...\win32trace.pyd, PE32 27->51 dropped 53 70 other files (none is malicious) 27->53 dropped 30 w1614713931.exe 6 27->30         started        process18 dnsIp19 65 ipinfo.io 216.239.34.21 GOOGLEUS United States 30->65 57 C:\Users\user\76545656786545\SynTPEnh.exe, PE32 30->57 dropped 69 Installs a global keyboard hook 30->69 file20 signatures21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e92b19cb2f281114eb2db737edd370bcf7d5ea35e84f07976d8d680abdb7d654/
Threat name:
Document-Office.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2021-03-02 09:42:42 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5evrtszpfairj2znw4363u3qxt35l2rv5bhqpf3nrvuavpnx2zka._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro pyinstaller
Link:
https://tria.ge/reports/210302-mc443qse72/
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
Office loads VBA resources, possible macro or embedded object present
Detects Pyinstaller
Enumerates physical storage devices
Looks up external IP address via web service
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Donoff
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/e92b19cb2f281114eb2db737edd370bcf7d5ea35e84f07976d8d680abdb7d654

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

Excel file xlsm e92b19cb2f281114eb2db737edd370bcf7d5ea35e84f07976d8d680abdb7d654

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1042019/
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/120890/

Comments