MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d
SHA3-384 hash: da90f74cd05c45734d959c0888176808be6f987b9f2f551ca3aa45c5deb1cc7482bea92d0205464bb063312f30c26534
SHA1 hash: 63971744884181153eb06c2a1b8b7ffce0273847
MD5 hash: 963e53696b551c1207809ed80ba88ca3
humanhash: two-mirror-lake-aspen
File name:786500103.xls
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:50'176 bytes
First seen:2021-12-24 08:06:40 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:bk3hOdsylKlgryzc4bNhZFGzE+cL2knAZty+50MPhiCWfMv:bk3hOdsylKlgryzc4bNhZFGzE+cL2kny
TLSH T1DC33F8A6B2E5D90ACA4903364CE3D2E62222FC51AF57C74B7359F70E1B71BC0C902A57
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
5467 bytes_VBA_PROJECT_CUR/PROJECT
686 bytes_VBA_PROJECT_CUR/PROJECTwm
7979 bytes_VBA_PROJECT_CUR/VBA/Module1
8991 bytes_VBA_PROJECT_CUR/VBA/Sheet1
92579 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
102721 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
IOC3.120.146.69IPv4 address
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 :
1
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
786500103.xls
Verdict:
Malicious activity
Analysis date:
2021-12-24 08:11:32 UTC
Tags:
macros macros-on-open opendir evasion trojan snakekeylogger keylogger loader
Link:
https://app.any.run/tasks/e886ae38-26e1-41d9-bcde-a083b41808fa

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/216112/
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP 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/ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d/results/dashboard
Payload URLs
URL
File name
3.120.146.69
ThisWorkbook
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/61c57facec6c6c14a9eea08d/reports/42fd0dc5-7470-41b9-837b-5ccf415f6836/overview
Result
Verdict:
SUSPICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d
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:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
expl.evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912381
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
Creates and opens a fake document (probably a fake document to hide exploiting)
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Bitsadmin Job via PowerShell
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Obfuscated Powershell
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 544859 Sample: 786500103.xls Startdate: 24/12/2021 Architecture: WINDOWS Score: 100 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus detection for URL or domain 2->94 96 15 other signatures 2->96 11 explorer.exe 2->11         started        14 office.exe 2->14         started        17 EXCEL.EXE 26 23 2->17         started        process3 dnsIp4 88 192.168.2.1 unknown unknown 11->88 20 cmd.exe 1 11->20         started        120 Multi AV Scanner detection for dropped file 14->120 122 Machine Learning detection for dropped file 14->122 124 Writes to foreign memory regions 14->124 126 Injects a PE file into a foreign processes 14->126 22 vbc.exe 14->22         started        26 WerFault.exe 14->26         started        70 C:\Users\user\Desktop\786500103.xls, Composite 17->70 dropped 72 C:\Users\Public\dssdd.cmd, ASCII 17->72 dropped 128 Document exploit detected (creates forbidden files) 17->128 130 Injects code into the Windows Explorer (explorer.exe) 17->130 28 explorer.exe 1 17->28         started        file5 signatures6 process7 dnsIp8 30 powershell.exe 28 20->30         started        32 conhost.exe 20->32         started        82 checkip.dyndns.org 22->82 84 158.101.44.242, 49791, 80 ORACLE-BMC-31898US United States 22->84 86 3 other IPs or domains 22->86 114 Tries to steal Mail credentials (via file / registry access) 22->114 116 Tries to harvest and steal ftp login credentials 22->116 118 Tries to harvest and steal browser information (history, passwords, etc) 22->118 signatures9 process10 process11 34 relatefoot.exe 3 5 30->34         started        signatures12 98 Creates and opens a fake document (probably a fake document to hide exploiting) 34->98 100 Writes to foreign memory regions 34->100 102 Tries to delay execution (extensive OutputDebugStringW loop) 34->102 104 Injects a PE file into a foreign processes 34->104 37 vbc.exe 15 2 34->37         started        41 AcroRd32.exe 34->41         started        43 cmd.exe 34->43         started        45 2 other processes 34->45 process13 dnsIp14 76 checkip.dyndns.org 37->76 78 checkip.dyndns.com 193.122.130.0, 49782, 80 ORACLE-BMC-31898US United States 37->78 80 freegeoip.app 172.67.188.154, 443, 49783 CLOUDFLARENETUS United States 37->80 106 May check the online IP address of the machine 37->106 108 Tries to steal Mail credentials (via file / registry access) 37->108 110 Creates and opens a fake document (probably a fake document to hide exploiting) 41->110 48 RdrCEF.exe 41->48         started        50 AcroRd32.exe 41->50         started        112 Uses schtasks.exe or at.exe to add and modify task schedules 43->112 52 conhost.exe 43->52         started        74 C:\Users\user\AppData\Local\...\office.exe, PE32 45->74 dropped 54 conhost.exe 45->54         started        56 conhost.exe 45->56         started        58 schtasks.exe 45->58         started        file15 signatures16 process17 process18 60 RdrCEF.exe 48->60         started        62 RdrCEF.exe 48->62         started        64 RdrCEF.exe 48->64         started        66 RdrCEF.exe 48->66         started        68 WerFault.exe 54->68         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d/
Threat name:
Document-Excel.Dropper.Powdow
Create hunting rule
Status:
Malicious
First seen:
2021-12-24 04:45:23 UTC
File Type:
Document
Extracted files:
16
AV detection:
16 of 43 (37.21%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5yxekurrau2dhtcnq4mob63j4dyr3gdvyxi5hm7oxoseeyki7nwq._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger macro macro_on_action stealer
Link:
https://tria.ge/reports/211224-jz1m7sdder/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
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
Looks up external IP address via web service
Uses the VBS compiler for execution
Downloads MZ/PE file
Process spawned unexpected child process
Snake Keylogger
Snake Keylogger Payload
Malware Config
Dropper Extraction:
http://3.120.146.69/bg/dsfv4.exe
Malware family:
Phoenix
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ee2e45523105/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/ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d

File information

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

Malspam

SnakeKeylogger

Excel file xls ee2e455231053433cc4d8718e0fb69e0f11d9875c5d1d3b3eebba4426148fb6d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/216112/

Comments