MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd. 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


SnakeKeylogger


Vendor detections: 13


Maldoc score: 13


Intelligence 13 IOCs YARA 1 File information Comments
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SHA256 hash: 27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd
SHA3-384 hash: 1315d143d10fd43fb7fa6fa1c7fd0f3ca98550fa810d85da6f46b0c4bd8d9efe5160bc3ab31ba598871b4ec82c907fb8
SHA1 hash: 0e481611d68ff85daeda31b4569ec1a2f357a666
MD5 hash: 82056bcc854d502478005768eb35a77f
humanhash: oregon-east-sierra-alabama
File name:QPL-51000302711.xls
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:50'176 bytes
First seen:2022-01-07 07:15:48 UTC
Last seen:2022-01-07 09:21:28 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:5k3hOdsylKlgryzc4bNhZFGzE+cL2knAgty+50MPhiC4DiW:5k3hOdsylKlgryzc4bNhZFGzE+cL2knM
TLSH T1583308A2B2E5E94ACA4903364DE3D2E62222FC519F57C74B7359F70E1B71BC0C902A57
Reporter abuse_ch
Tags:SnakeKeylogger xls

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: 13
OLE dump

MalwareBazaar was able to identify 11 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2244 bytesDocumentSummaryInformation
3208 bytesSummaryInformation
436272 bytesWorkbook
5471 bytes_VBA_PROJECT_CUR/PROJECT
686 bytes_VBA_PROJECT_CUR/PROJECTwm
7983 bytes_VBA_PROJECT_CUR/VBA/Module1
8991 bytes_VBA_PROJECT_CUR/VBA/Sheet1
92648 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
102725 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
11562 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
IOC18.209.1.250IPv4 address
IOCshell32.dllExecutable file name
SuspiciousOpenMay open a file
SuspiciousOutputMay write to a file (if combined with Open)
Suspiciousshell32May run an executable file or a system command
SuspiciousLibMay run code from a DLL
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 :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QPL-51000302711.xls
Verdict:
Malicious activity
Analysis date:
2022-01-07 07:19:12 UTC
Tags:
macros macros-on-open loader evasion trojan snakekeylogger keylogger
Link:
https://app.any.run/tasks/2f13beab-cff6-4014-be31-c9f60911fc48

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
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/217644/
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD.HTTP
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.START-BITSTRANSFER.210729.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.211019.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DontKnowMuchStrConv.2021227.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Creating a file
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
macros macros-on-open
Link:
https://www.filescan.io/uploads/61d7e8b802e388f9fdb23d8e/reports/dd95784b-d1e1-4705-82a6-50cb9835e918/overview
Result
Verdict:
SUSPICIOUS
Link:
https://labs.inquest.net/dfi/sha256/27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd
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.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Macro with DLL Reference
Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/916662
Signature
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Bitsadmin Job via PowerShell
Sigma detected: Suspicious Encoded PowerShell Command Line
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Obfuscated Powershell
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 549145 Sample: QPL-51000302711.xls Startdate: 07/01/2022 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for submitted file 2->48 50 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->50 52 Sigma detected: Suspicious Bitsadmin Job via PowerShell 2->52 54 7 other signatures 2->54 10 EXCEL.EXE 26 25 2->10         started        14 explorer.exe 2->14         started        process3 file4 44 C:\Users\user\Desktop\QPL-51000302711.xls, Composite 10->44 dropped 46 C:\Users\Public\apersone.cmd, ASCII 10->46 dropped 58 Document exploit detected (creates forbidden files) 10->58 60 Injects code into the Windows Explorer (explorer.exe) 10->60 16 explorer.exe 1 10->16         started        18 cmd.exe 1 14->18         started        signatures5 process6 process7 20 powershell.exe 28 18->20         started        22 conhost.exe 18->22         started        process8 24 concernmeet.exe 2 20->24         started        signatures9 56 Encrypted powershell cmdline option found 24->56 27 powershell.exe 8 24->27         started        30 powershell.exe 24->30         started        32 powershell.exe 14 24->32         started        process10 signatures11 62 Uses ipconfig to lookup or modify the Windows network settings 27->62 34 conhost.exe 27->34         started        36 ipconfig.exe 1 27->36         started        38 conhost.exe 30->38         started        40 ipconfig.exe 30->40         started        42 conhost.exe 32->42         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd/
Threat name:
Document-Excel.Downloader.Powdow
Create hunting rule
Status:
Malicious
First seen:
2022-01-07 04:32:30 UTC
File Type:
Document
Extracted files:
16
AV detection:
15 of 28 (53.57%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e6rx5ydovsb7yo5wrfjhhse6jm5the4o6aazlnais3jwgnja67gq._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger macro macro_on_action persistence spyware stealer
Link:
https://tria.ge/reports/220107-h3thmabhe3/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Gathers network information
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
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Process spawned unexpected child process
Snake Keylogger
Snake Keylogger Payload
Malware Config
Dropper Extraction:
http://18.209.1.250/22/QPL-51000302711.exe
Malware family:
Phoenix
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/27a37ee06eac/report/overview.html
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/27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd

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

File information

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

Malspam

SnakeKeylogger

Excel file xls 27a37ee06eac83fc3bb6895273c89e4b3b33938ef00195b40896d3633520f7cd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/217644/

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