MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e. 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: 11


Maldoc score: 17


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e
SHA3-384 hash: e10326265d82e271577465bf01ca3d75495e370b4978f44de1222c108ad8425e64e32d28fea4cb5d3b0d56b9966f98f8
SHA1 hash: 4b16b615630468c252d3f642995a4d5d9c252e6b
MD5 hash: 7128d7e3632afbc109085c91fd0404c1
humanhash: carbon-may-xray-bakerloo
File name:PURCHASEORDER.xls
Download: download sample
File size:1'533'952 bytes
First seen:2023-03-24 06:35:28 UTC
Last seen:2023-03-24 06:37:10 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:X2Tbq8KPsUGRoG1t6EWOEMhpaMNzl8raUtGCn113y4RzuCr2izm/EcUAbFNLGeuX:mv5K/G3v6EWxNMNzlMRtGCn113y4RaCw
TLSH T1CD652351BDD78B43CA9AA7389EC3D22762BAFC053AA5C5077208731D9932EF18E5431D
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:xls


Avatar
abuse_ch
Payload URLs:
http://37.139.128.83/damian/d1.pif
http://37.139.128.83/damian/1.vbs

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 26 sections in this file using oledump:

Section IDSection sizeSection name
1108 bytesCompObj
2268 bytesDocumentSummaryInformation
3212 bytesSummaryInformation
44978 bytesMsoDataStore/B0KOS10EPQ==/Item
5314 bytesMsoDataStore/B0KOS10EPQ==/Properties
61487131 bytesWorkbook
7647 bytes_VBA_PROJECT_CUR/PROJECT
8116 bytes_VBA_PROJECT_CUR/PROJECTwm
997 bytes_VBA_PROJECT_CUR/UserForm1/CompObj
10292 bytes_VBA_PROJECT_CUR/UserForm1/VBFrame
1190 bytes_VBA_PROJECT_CUR/UserForm1/f
12128 bytes_VBA_PROJECT_CUR/UserForm1/o
13987 bytes_VBA_PROJECT_CUR/VBA/Module1
14999 bytes_VBA_PROJECT_CUR/VBA/Sheet1
154252 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
161422 bytes_VBA_PROJECT_CUR/VBA/UserForm1
174991 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
183363 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
19310 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
201518 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
21156 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
22614 bytes_VBA_PROJECT_CUR/VBA/__SRP_4
23106 bytes_VBA_PROJECT_CUR/VBA/__SRP_5
24249 bytes_VBA_PROJECT_CUR/VBA/__SRP_6
25156 bytes_VBA_PROJECT_CUR/VBA/__SRP_7
26875 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
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
IOC37.139.128.83IPv4 address
IOCtextfile.wsfExecutable file name
IOC1.vbsExecutable file name
SuspiciousOpenMay open a file
SuspiciouswriteMay write to a file (if combined with Open)
SuspiciousOutputMay write to a file (if combined with Open)
SuspiciousShellMay run an executable file or a system command
SuspiciousvbNormalFocusMay run an executable file or a system command
SuspiciouscommandMay run PowerShell commands
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 :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASEORDER.xls
Verdict:
Malicious activity
Analysis date:
2023-03-24 06:37:30 UTC
Tags:
macros macros-on-open
Link:
https://app.any.run/tasks/1c90ae7e-9bbc-4721-8fd6-59dcc80cb6c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/377019/
Detection(s):
SecuriteInfo.com.Office.Macro-13.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.PKILLLureTextWeDontHaveToDance.M2OLE.20220307.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Changing an executable file
Creating a process from a recently created file
Infecting executable files
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros macros-on-open wscript
Link:
https://www.filescan.io/uploads/641d44d6009023b71dc29b13/reports/38fc1dde-2c14-4ebc-8211-cc41f3533ea7/overview
Verdict:
Malicious
Labled as:
Trojan.Ole2.VBS
Link:
https://www.hybrid-analysis.com/sample/33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e
Label:
Malicious
Suspicious Score:
6.4/10
Score Malicious:
64%
Score Benign:
36%
Link:
https://www.malware.ai/gui/files/?id=2f2156b4-d21e-4135-ac97-83d431040e06
Result
Verdict:
SUSPICIOUS
Link:
https://labs.inquest.net/dfi/sha256/33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e
Details
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.
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200996
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Document contains an embedded VBA macro with suspicious strings
Document contains OLE streams with names of living off the land binaries
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Machine Learning detection for dropped file
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
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Windows Shell Script Host drops VBS files
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 833901 Sample: PURCHASEORDER.xls Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 46 checkip.dyndns.org 2->46 48 checkip.dyndns.com 2->48 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Antivirus detection for URL or domain 2->56 58 9 other signatures 2->58 9 EXCEL.EXE 168 38 2->9         started        signatures3 process4 file5 36 C:\Users\user\Desktop\PURCHASEORDER.xls, Composite 9->36 dropped 38 C:\Users\user\...\PURCHASEORDER.xls.LNK, MS 9->38 dropped 40 C:\Users\Public\textfile.wsf, HTML 9->40 dropped 66 Document exploit detected (creates forbidden files) 9->66 13 wscript.exe 15 9->13         started        18 wscript.exe 9->18         started        signatures6 process7 dnsIp8 50 37.139.128.83, 49699, 49700, 49701 LVLT-10753US Germany 13->50 44 C:\Users\user\AppData\Local\...\1[1].vbs, ASCII 13->44 dropped 72 System process connects to network (likely due to code injection or exploit) 13->72 74 Suspicious powershell command line found 13->74 76 Wscript starts Powershell (via cmd or directly) 13->76 78 2 other signatures 13->78 20 powershell.exe 15 16 13->20         started        24 powershell.exe 18->24         started        file9 signatures10 process11 file12 34 C:\Users\Public\d1.pif, PE32 20->34 dropped 60 Drops PE files to the user root directory 20->60 62 Drops PE files with a suspicious file extension 20->62 64 Powershell drops PE file 20->64 26 d1.pif 2 20->26         started        30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        signatures13 process14 file15 42 C:\Users\user\AppData\Roaming\liCBitYw.exe, PE32 26->42 dropped 68 Multi AV Scanner detection for dropped file 26->68 70 Machine Learning detection for dropped file 26->70 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gnexcihn42n2jvwjy65ukm7mp3hiq6wpvhws2yl2efp7qejgwrxa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro macro_on_action
Link:
https://tria.ge/reports/230324-hcxscscf84/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Program crash
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Downloads MZ/PE file
Process spawned unexpected child process
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33497120ede6/report/overview.html
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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:TA505_Maldoc_21Nov_2
Create hunting rule
Author:Arkbird_SOLG
Description:invitation (1).xls
Reference:https://twitter.com/58_158_177_102/status/1197432303057637377

File information

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

Malspam

Excel file xls 33497120ede69ba4d6c9c7bb4533ec7ece887acfa9ed2d617a215ff81126b46e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/host/37.139.128.83/
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/377019/

Comments