MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fd43f9b976d3ebf8b54ff5b208d2d192a9e6f1e035209daabccdf86ddec8aec. 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


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fd43f9b976d3ebf8b54ff5b208d2d192a9e6f1e035209daabccdf86ddec8aec
SHA3-384 hash: 52ecb712e7f63705a3c37d49d295d9737452256d0f14f9700c15484e7386972e18c6294a910aee1b6878ae8fbb84f1df
SHA1 hash: 54282424dae8347ab4e921af47d48c64db66e0bf
MD5 hash: f3c1f7d42d153beadea7d289b976d961
humanhash: berlin-twelve-five-jersey
File name:f3c1f7d42d153beadea7d289b976d961.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:33'280 bytes
First seen:2020-12-14 20:00:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:FrqQ7AmV3rjBkyo1bWkl8K97WumUAiPatwTxy+2ASDu39UYlywQKZZl:F33kqBuxP3FyBA3D0A
Threatray 80 similar samples on MalwareBazaar
TLSH 6FE2E12EA9A43DB4D1335E34DACE8DF989F8858B2430C36D5FB474DEBE474882952187
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader


Avatar
abuse_ch
Smoke Loader C2:
http://bearddate.com/1/

Intelligence

File Origin
# of uploads :
1
# of downloads :
465
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.doc
Verdict:
Malicious activity
Analysis date:
2020-12-14 08:08:59 UTC
Tags:
ole-embedded exploit CVE-2017-11882 trojan loader smoke
Link:
https://app.any.run/tasks/35769a9e-610c-4f25-9bc6-c7be3dfc27a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/108037/
Detection(s):
Win.Malware.Razy-7588162-0
Create hunting rule

Win.Malware.Razy-7588195-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP POST request
Launching a process
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
Creating a window
Setting browser functions hooks
Sending a UDP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
DNS request
Stealing user critical data
Deleting of the original file
Enabling autorun by creating a file
Unauthorized injection to a browser process
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562609
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hijacks the control flow in another process
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file has a writeable .text section
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330394 Sample: 5xwxsEX2kH.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 4 other signatures 2->51 8 5xwxsEX2kH.exe 2->8         started        11 irvcfdvt.exe 2->11         started        process3 signatures4 69 Maps a DLL or memory area into another process 8->69 13 explorer.exe 6 8->13 injected 71 Antivirus detection for dropped file 11->71 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 process5 dnsIp6 41 bearddate.com 107.180.2.169, 49729, 80 AS-26496-GO-DADDY-COM-LLCUS United States 13->41 43 www.msftncsi.com 13->43 37 C:\Users\user\AppData\...\irvcfdvt.exe, PE32 13->37 dropped 39 C:\Users\...\irvcfdvt.exe:Zone.Identifier, ASCII 13->39 dropped 77 Benign windows process drops PE files 13->77 79 Injects code into the Windows Explorer (explorer.exe) 13->79 81 Writes to foreign memory regions 13->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->83 18 explorer.exe 13->18         started        21 explorer.exe 13->21         started        23 explorer.exe 13->23         started        25 9 other processes 13->25 file7 signatures8 process9 signatures10 53 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 18->53 55 Hijacks the control flow in another process 18->55 57 Changes memory attributes in foreign processes to executable or writable 18->57 27 QzlNRuNvaOcwuEXPlhniwtZM.exe 18->27 injected 29 QzlNRuNvaOcwuEXPlhniwtZM.exe 18->29 injected 31 QzlNRuNvaOcwuEXPlhniwtZM.exe 18->31 injected 59 Writes to foreign memory regions 21->59 61 Maps a DLL or memory area into another process 21->61 63 Creates a thread in another existing process (thread injection) 21->63 33 sihost.exe 23->33 injected 35 taskhostw.exe 23->35 injected 65 Tries to steal Mail credentials (via file access) 25->65 67 Tries to harvest and steal browser information (history, passwords, etc) 25->67 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fd43f9b976d3ebf8b54ff5b208d2d192a9e6f1e035209daabccdf86ddec8aec/
Threat name:
Win32.Trojan.Zurgop
Create hunting rule
Status:
Malicious
First seen:
2020-12-08 06:28:49 UTC
AV detection:
28 of 28 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7kd7g4xnu7l7c2u75nsbdjndevj43y6anjatwvlztpynxpmrlwa._file
Verdict:
malicious
Similar samples:
295603848fbebb33aede1859cfab94c0326c86ddabee364984048ed2598d5495
Smoke Loader
50871371de6754f17507213f50bd7748814f8a99899599f835701c5a772c89c7
Smoke Loader
693626ad4ce750ecb027980dfb505ca69872923702dfe564e0adcb651e8c60d9
Smoke Loader
70d7fcf7b575d4dd4dbc398ac7f02d9acd46015541211e32a11fc7534662db74
Smoke Loader
82f9b9947a9ecb8520eb5ac731918ea2c1b1d9e3b00a1189aff9b1441fa2b72b
Smoke Loader
849af25a67d831b8e5d90cc6e4b51014a3a4d9f474f7363865cbd98c4dc0ea5a
Smoke Loader
b254d7faa603b46c4c63f6d1f88d65767fb80638a000967fe527b9572b956e35
Smoke Loader
c1830ba81a707357031fc8e5cd7cf3a6083c30f33669fe29590cc639140d6780
Smoke Loader
e7c777cc2838334214d3349178f52cd2fdce9138cbd51de1c62bcc73a3478a4f
Smoke Loader
fbad6defdda31579e98bbb4f27193891ad8b5d13e32a75dcc4d2666f2c3a5843
Smoke Loader
+ 70 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/201214-jt29t234ea/
Behaviour
Suspicious behavior: MapViewOfSection
Maps connected drives based on registry
SmokeLoader
Malware Config
C2 Extraction:
http://bearddate.com/1/
Unpacked files
SH256 hash:
1fd43f9b976d3ebf8b54ff5b208d2d192a9e6f1e035209daabccdf86ddec8aec
MD5 hash:
f3c1f7d42d153beadea7d289b976d961
SHA1 hash:
54282424dae8347ab4e921af47d48c64db66e0bf
Detections:
win_smokeloader_auto
Create hunting rule
Link:
https://www.unpac.me/results/7f75f556-9ff2-43f0-91e8-99fa19f94365/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Smokeloader
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1fd43f9b976d3ebf8b54ff5b208d2d192a9e6f1e035209daabccdf86ddec8aec

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:win_smokeloader_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

Smoke Loader

Executable exe 1fd43f9b976d3ebf8b54ff5b208d2d192a9e6f1e035209daabccdf86ddec8aec

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/917469/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108037/

Comments