MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029. 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


PureLogsStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029
SHA3-384 hash: d5faff16f86263ec4307fa7729f24bbed71d13a7ffcf008f1cb28204760feeb2c040a4659f5734fbfd9e3b422c097f45
SHA1 hash: b0cb1b9a8ada2812a013469ff5cf736b0f8da933
MD5 hash: 1aa76ce00f01882d5cd3d712b8052bc2
humanhash: october-connecticut-seven-orange
File name:1aa76ce00f01882d5cd3d712b8052bc2
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:83'402 bytes
First seen:2024-05-09 05:06:41 UTC
Last seen:2024-05-09 05:22:12 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:77VscWY5jbOYcra/iDM+nRXsSH2lDG5ODlQfg4NaQ7rXwkpez4p7sRc1HudD:qxY5jyTra/iDM+nZsSHxODEgyt7jwkpi
TLSH T188830D6DE34F0915DF55A7BB034A8A4905FCB33EB38540B139AC977437AD82E4A6287C
Reporter zbetcheckin
Tags:CVE-2017-11882 PureLogStealer rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Order4500318042.xls
Verdict:
Malicious activity
Analysis date:
2024-05-06 23:17:14 UTC
Tags:
exploit cve-2017-11882 opendir loader formbook xloader
Link:
https://app.any.run/tasks/edb676a2-7921-412d-ab97-1f65032cec33

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

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

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
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching a service
Creating a file
Launching cmd.exe command interpreter
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/663c59f954aa07c307f17398/reports/3d84b655-4ee7-43c0-8d69-158ed197854e/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438732
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Document exploit detected (process start blacklist hit)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1438732 Sample: 9udOh343IO.rtf Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 20 other signatures 2->56 11 WINWORD.EXE 336 13 2->11         started        process3 process4 13 EQNEDT32.EXE 12 11->13         started        18 EQNEDT32.EXE 11->18         started        dnsIp5 46 192.3.179.142, 49163, 80 AS-COLOCROSSINGUS United States 13->46 36 C:\Users\user\AppData\Roaming\html.exe, PE32 13->36 dropped 38 C:\Users\user\AppData\Local\...\html[1].exe, PE32 13->38 dropped 76 Office equation editor establishes network connection 13->76 78 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 13->78 20 html.exe 1 7 13->20         started        file6 signatures7 process8 signatures9 58 Antivirus detection for dropped file 20->58 60 Multi AV Scanner detection for dropped file 20->60 62 Machine Learning detection for dropped file 20->62 64 2 other signatures 20->64 23 html.exe 20->23         started        process10 signatures11 66 Modifies the context of a thread in another process (thread injection) 23->66 68 Maps a DLL or memory area into another process 23->68 70 Sample uses process hollowing technique 23->70 72 2 other signatures 23->72 26 explorer.exe 23->26 injected process12 dnsIp13 40 www.rlknia.cfd 26->40 42 www.eissw.com 26->42 44 4 other IPs or domains 26->44 74 System process connects to network (likely due to code injection or exploit) 26->74 30 explorer.exe 9 26->30         started        signatures14 process15 dnsIp16 48 www.inhkipcmacau.com 30->48 80 System process connects to network (likely due to code injection or exploit) 30->80 82 Modifies the context of a thread in another process (thread injection) 30->82 84 Maps a DLL or memory area into another process 30->84 86 Tries to detect virtualization through RDTSC time measurements 30->86 34 cmd.exe 30->34         started        signatures17 process18
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-05-06 03:55:55 UTC
File Type:
Document
Extracted files:
4
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tlt22djjxjvikxxmfdenzinxwqyggz3rhfdd3rkgidkcgjej2auq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ht3d rat spyware stealer trojan
Link:
https://tria.ge/reports/240509-fry8mafb48/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Formbook payload
Formbook
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/9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029

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:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
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

File information

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

Web download

PureLogsStealer

Rich Text Format (RTF) rtf 9ae7ad0d29ba6a855eec28c8dca1b7b43063677139463dc54640d4232489d029

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2843876/

Comments


Avatar
zbet commented on 2024-05-09 05:06:42 UTC

url : hxxp://192.3.179.142/xampp/htmls/dayisagooddaytoheargoodnewfromthegodwholovegodtrulyfromthehearttheyhearinggoodnews__godisgreatforentier.doc