MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b77c4b8cabe21f2af6969482da0bf9c0f6eb31edd2add65e16c4757932076e04. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b77c4b8cabe21f2af6969482da0bf9c0f6eb31edd2add65e16c4757932076e04
SHA3-384 hash: 27b0997fb6d371dbd9322273732ae16e8b33c0ea2c2209900ca6d62c42c7b3885f20b05d05d94662723dd32ffa1aa1ae
SHA1 hash: c462fe620444bc08c9f32ef2fdd6e4b97bdbb38c
MD5 hash: dd367a27a2b86588e21cce4823b35d2c
humanhash: kentucky-north-early-maine
File name:dd367a27a2b86588e21cce4823b35d2c.doc
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:1'896'329 bytes
First seen:2020-08-16 15:03:32 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 49152:XM0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0M0Mw:XM0M0M0M0M0M0M0M0M0M0M0M0M0M0M0n
TLSH 449501B917520AD0D34310102957A6842B17FF3BFAD1ACE770ADF77A6FAE2058914BE1
Reporter abuse_ch
Tags:CVE-2017-11882 doc Dofoil Smoke Loader


Avatar
abuse_ch
Smoke Loader payload URLs:
http://aggiegovender.co.za/images/5by8.jpg
https://paste.ee/r/WayuW

Smoke Loader C2:
http://185.35.137.147/mlp/

Intelligence

File Origin
# of uploads :
1
# of downloads :
702
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQPentaverateTheKernelWithHisWeeBeadyEyes.20200616.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._E_R_N_E_L_3_2_OADLIBRARYW_S_ETPROCADDRESS_.200622.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Creating a file
Creating a process with a hidden window
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
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
Threat name:
Unknown
Detection:
clean
Classification:
n/a
Score:
0 / 100
Link:
https://www.joesandbox.com/analysis/432331
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b77c4b8cabe21f2af6969482da0bf9c0f6eb31edd2add65e16c4757932076e04/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 11:24:29 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w56exdfl4ipsv5uwssbnuc7zyd3owmpn2kw5mxqwyr2xsmqhnyca._file
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
trojan backdoor family:smokeloader
Link:
https://tria.ge/reports/200816-tyxj4gy5ka/
Behaviour
Launches Equation Editor
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 System32 directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://185.35.137.147/mlp/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b77c4b8cabe21f2af6969482da0bf9c0f6eb31edd2add65e16c4757932076e04

File information

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

Web download

Smoke Loader

Word file doc b77c4b8cabe21f2af6969482da0bf9c0f6eb31edd2add65e16c4757932076e04

(this sample)

Smoke Loader

Executable exe b1cd81ef90363936ef04a6d5cabb539bbc4a89a25b6baf6777e1a3e373455f40

  
URLhaus
https://urlhaus.abuse.ch/url/433572/
  
Dropping
MD5 f9c643359c377852ca3b7326d7913b3a
  
Dropping
SHA256 b1cd81ef90363936ef04a6d5cabb539bbc4a89a25b6baf6777e1a3e373455f40
  
Delivery method
Distributed via web download

Comments