MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534
SHA3-384 hash: c1f524791c80cd8a100ab3876320170067f93ab686e35cb56a11625b5df2a9fb041cf13ef157807b65a0d523d37f4a60
SHA1 hash: ccb4979bc29d19db7a76094ef4ac6a28a7fcff2c
MD5 hash: e998839c5be97cedf27b1a74a4b5870f
humanhash: saturn-washington-paris-louisiana
File name:Request for quote.doc
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:357'912 bytes
First seen:2024-12-10 16:56:51 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:vnTPvnAgpupOmXkxrC/1k6iPMPeZCJRjZfSQy+uU38S5eWAql+w:/j2kZ85imJFZ9v
TLSH T168746CE8E74948E1DF5997B7431A4E4C027D327FBB861098305CA7B43BBF6194A098BD
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
466
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request for quote.doc
Verdict:
No threats detected
Analysis date:
2024-12-10 17:03:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1051c609-cea9-4e16-bd55-208c84a50790

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675873e575182a06409eef80
Tags:
vmdetect office micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Сreating synchronization primitives
Launching a service
Connection attempt by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm embedequation exploit obfuscated packed shellcode
Link:
https://www.filescan.io/uploads/675872e8d77c2e9f7d0309a3/reports/d4c931f4-0026-4216-852f-de53cf3158f2/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1572588
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Microsoft Office Child Process
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1572588 Sample: Request for quote.doc Startdate: 10/12/2024 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 14 other signatures 2->74 8 WINWORD.EXE 291 18 2->8         started        10 taskeng.exe 2->10         started        process3 process4 12 EQNEDT32.EXE 12 8->12         started        17 EQNEDT32.EXE 8->17         started        19 rXcourOVPD.exe 10->19         started        dnsIp5 64 grupodulcemar.pe 161.132.57.101, 443, 49161 RedCientificaPeruanaPE Peru 12->64 66 www.grupodulcemar.pe 12->66 48 C:\Users\user\...\5MHIOPXJKTPrNvo[1].exe, PE32 12->48 dropped 50 C:\ProgramData\money.exe, PE32 12->50 dropped 94 Installs new ROOT certificates 12->94 96 Office equation editor establishes network connection 12->96 98 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 12->98 21 money.exe 1 10 12->21         started        100 Multi AV Scanner detection for dropped file 19->100 102 Machine Learning detection for dropped file 19->102 104 Adds a directory exclusion to Windows Defender 19->104 106 Injects a PE file into a foreign processes 19->106 25 rXcourOVPD.exe 19->25         started        28 powershell.exe 19->28         started        30 powershell.exe 19->30         started        32 schtasks.exe 19->32         started        file6 signatures7 process8 dnsIp9 44 C:\Users\user\AppData\...\rXcourOVPD.exe, PE32 21->44 dropped 46 C:\Users\user\AppData\Local\...\tmp9FF7.tmp, XML 21->46 dropped 80 Multi AV Scanner detection for dropped file 21->80 82 Machine Learning detection for dropped file 21->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 21->84 92 2 other signatures 21->92 34 money.exe 12 2 21->34         started        38 powershell.exe 4 21->38         started        40 powershell.exe 4 21->40         started        42 schtasks.exe 21->42         started        58 reallyfreegeoip.org 25->58 60 158.101.44.242, 49165, 49167, 49169 ORACLE-BMC-31898US United States 25->60 62 3 other IPs or domains 25->62 86 Tries to steal Mail credentials (via file / registry access) 25->86 88 Tries to harvest and steal browser information (history, passwords, etc) 25->88 file10 90 Tries to detect the country of the analysis system (by using the IP) 58->90 signatures11 process12 dnsIp13 52 132.226.247.73, 49162, 80 UTMEMUS United States 34->52 54 reallyfreegeoip.org 188.114.97.6, 443, 49163, 49164 CLOUDFLARENETUS European Union 34->54 56 2 other IPs or domains 34->56 76 Tries to steal Mail credentials (via file / registry access) 34->76 78 Installs new ROOT certificates 38->78 signatures14
Score:
85%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-12-09 11:47:54 UTC
File Type:
Document
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vt5wtk52dlddhnuex66vvebbflwncxk7k4ngzmx3ovdd4swqeu2a._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
snakekeylogger
Create hunting rule
Similar samples:
error
SnakeKeylogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/241210-vf811szrgv/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
System Location Discovery: System Language Discovery
Drops file in Windows directory
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
maldoc exploit
YARA:
RTF_Shellcode INDICATOR_RTF_EXPLOIT_CVE_2017_11882_1
Link:
https://app.threat.zone/submission/62d78df0-6bac-47bc-97e1-8edae3970eb7
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/acfb69abba1a/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/acfb69abba1ac633b684bfbd5a90212aecd15d5f571a6cb2fb75463e4ad02534

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:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

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