MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f29bd9f902ca35718d2afed5f60885e4ac1f57a56dfe5ffcdcdb7c9aa01a4e27. 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



RemcosRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: f29bd9f902ca35718d2afed5f60885e4ac1f57a56dfe5ffcdcdb7c9aa01a4e27
SHA3-384 hash: f2af136c72641df37686be501208a53dcfe35b487425856f758393ef854af09a4db6185cf2000a0cb72b3e27aadd30f6
SHA1 hash: b4f8cc8571ca8b1f44a8e2fb38bfc891d091ef10
MD5 hash: bcc8ccb4b78f0d763c269713fc1086bb
humanhash: sierra-beer-kilo-delta
File name:Amoxycillin Trihydrate Powder.docx
Download: download sample
Signature RemcosRAT
File size:242'186 bytes
First seen:2024-12-04 10:48:55 UTC
Last seen:Never
File type:Word file doc
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 6144:YUiOMdMe0XrrIP5xfMbbnlRZznKyNHNNBMsg:YOMz8rIwbn5KyBNr5g
TLSH T1D7342277993FCD52CF77263EC453EA222B6D580D51182AD737CBD5C892F38084E69284
TrID 52.2% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4)
38.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
8.8% (.ZIP) ZIP compressed archive (4000/1)
Magika docx
Reporter smica83
Tags:217-160-114-212 cve-2017-0199 CVE-2017-11882 doc POL RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
3'433
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Amoxycillin Trihydrate Powder.docx
Verdict:
Malicious activity
Analysis date:
2024-12-04 10:49:37 UTC
Tags:
cve-2017-11882 exploit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
97.4%
Tags:
office virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt to an infection source by exploiting the app vulnerability
Creating a window
DNS request
Sending an HTTP GET request
Creating a file
Connection attempt
Sending a custom TCP request
Launching a process
Creating a file in the %AppData% directory
Creating a process with a hidden window
Searching for the window
Сreating synchronization primitives
Query of malicious DNS domain
Connection attempt by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Word File with Embedding Objects
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit language-ko masquerade shellcode
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains an external reference to another file
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Office drops RTF file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Office viewer loads remote template
Searches for Windows Mail specific files
Shellcode detected
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1568157 Sample: Amoxycillin Trihydrate Powd... Startdate: 04/12/2024 Architecture: WINDOWS Score: 100 54 short.ruksk.com 2->54 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 19 other signatures 2->86 11 WINWORD.EXE 365 61 2->11         started        signatures3 process4 dnsIp5 56 217.160.114.212, 49169, 49171, 49173 ONEANDONE-ASBrauerstrasse48DE Germany 11->56 58 short.ruksk.com 54.150.207.131, 443, 49163, 49164 AMAZON-02US United States 11->58 46 C:\Users\user\...\se on 217.160.114.212.url, MS 11->46 dropped 48 ~WRF{72350DFB-8EEC...0-BD273B3C1597}.tmp, Composite 11->48 dropped 50 C:\Users\user\AppData\Local\...F67702E.doc, Rich 11->50 dropped 52 feelnicethingscomi...bestforentir[1].doc, Rich 11->52 dropped 108 Microsoft Office launches external ms-search protocol handler (WebDAV) 11->108 110 Office viewer loads remote template 11->110 112 Microsoft Office drops suspicious files 11->112 16 EQNEDT32.EXE 12 11->16         started        20 EXCEL.EXE 3 2 11->20         started        22 EXCEL.EXE 5 1 11->22         started        file6 signatures7 process8 file9 44 creamonioncreamwit...haveforbusiness.vbS, Unicode 16->44 dropped 76 Office equation editor establishes network connection 16->76 78 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 16->78 24 wscript.exe 1 16->24         started        signatures10 process11 signatures12 96 Suspicious powershell command line found 24->96 98 Wscript starts Powershell (via cmd or directly) 24->98 100 Windows Scripting host queries suspicious COM object (likely to drop second stage) 24->100 102 Suspicious execution chain found 24->102 27 powershell.exe 12 5 24->27         started        process13 dnsIp14 60 res.cloudinary.com 27->60 104 Writes to foreign memory regions 27->104 106 Injects a PE file into a foreign processes 27->106 31 CasPol.exe 3 13 27->31         started        signatures15 process16 dnsIp17 62 216.9.226.100, 3898, 49174, 49175 ATT-INTERNET4US Reserved 31->62 64 geoplugin.net 178.237.33.50, 49176, 80 ATOM86-ASATOM86NL Netherlands 31->64 66 192.168.2.255, 137, 138 unknown unknown 31->66 68 Contains functionality to bypass UAC (CMSTPLUA) 31->68 70 Detected Remcos RAT 31->70 72 Tries to steal Mail credentials (via file registry) 31->72 74 8 other signatures 31->74 35 CasPol.exe 31->35         started        38 CasPol.exe 31->38         started        40 CasPol.exe 11 31->40         started        42 CasPol.exe 31->42         started        signatures18 process19 signatures20 88 Tries to steal Instant Messenger accounts or passwords 35->88 90 Tries to steal Mail credentials (via file / registry access) 35->90 92 Searches for Windows Mail specific files 35->92 94 Tries to harvest and steal browser information (history, passwords, etc) 38->94
Threat name:
Document-Word.Trojan.Remcos
Status:
Malicious
First seen:
2024-12-04 09:19:14 UTC
File Type:
Document
Extracted files:
198
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Comments