MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 48b12450184f77c6a5a0f24b05cbb4c275145e3abe8ab91c601af2587de8bd08. 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
Smoke Loader
Vendor detections: 11
| SHA256 hash: | 48b12450184f77c6a5a0f24b05cbb4c275145e3abe8ab91c601af2587de8bd08 |
|---|---|
| SHA3-384 hash: | d59a5873f47c03d550a0249669048b22103ea4e85bfaf5e9860c52b1cd0cefabe6764eca20871499847e0bee20e6e892 |
| SHA1 hash: | f2030b9c26d18328a44b2666fed4c59067fd298a |
| MD5 hash: | b7040435cc9bc16dbb11e0b3f3e657fa |
| humanhash: | johnny-alpha-mountain-virginia |
| File name: | PO20-10249.doc |
| Download: | download sample |
| Signature | Smoke Loader |
| File size: | 1'758'034 bytes |
| First seen: | 2020-12-18 07:07:22 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | text/rtf |
| ssdeep | 24576:osSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsSsEI0:S |
| TLSH | 4585CF717571B9F292664A9CF94F48503B6AF333EA764492F308E7793F222C0B90546B |
| Reporter |  abuse_ch |
| Tags: | doc Smoke Loader |
abuse_ch
Malspam distributing unidentified malware:HELO: bizcloud-nop.php
Sending IP: 139.59.25.122
From: HONG<hong@tritonchina.com>
Reply-To: falalya@126.COM
Subject: RE: PO20-10248 for C20-057
Attachment: PO20-10249.doc
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 dump
Intelligence
File Origin
# of uploads :
1
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO20-10249.doc
Verdict:
Malicious activity
Analysis date:
2020-12-18 07:07:37 UTC
Tags:
ole-embedded trojan exploit CVE-2017-11882 loader smoke stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a window
DNS request
Creating a file
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Connection attempt
Sending an HTTP POST request
Launching a service
Reading critical registry keys
Creating a file in the %temp% directory
Deleting a recently created file
Setting browser functions hooks
Possible injection to a system process
Sending an HTTP GET request
Launching a file downloaded from the Internet
Stealing user critical data
Unauthorized injection to a recently created process
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Unauthorized injection to a browser process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
64 / 100
Signature
Connects to a URL shortener service
Multi AV Scanner detection for submitted file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-12-18 07:08:07 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
smokeloader
Score:
10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://102water.com/1/
Dropper Extraction:
httPs://paste.ee/r/MZBBS
httPs://paste.ee/r/TK7t6
httPs://paste.ee/r/TK7t6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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_EXPLOIT_CVE_2017_8759_2 |
|---|---|
| Author: | ditekSHen |
| Description: | detects CVE-2017-8759 weaponized RTF documents. |
| Rule name: | INDICATOR_RTF_MalVer_Objects |
|---|---|
| Author: | ditekSHen |
| Description: | Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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