MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae. 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: dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae
SHA3-384 hash: 1a4c5607be03fc3d3443f083d1fa74a8ba0944d3948039a5e15e2a4efadeb2c8a6e91cfe54cf5aaf8c3e0177edb1868b
SHA1 hash: 1423d6f517428d4dfe7234d13027b376db986f3a
MD5 hash: d4b38146bb30533379ac134c0692e189
humanhash: magnesium-angel-hydrogen-georgia
File name:d4b38146bb30533379ac134c0692e189.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:33'280 bytes
First seen:2020-12-22 08:26:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:FrqQ7AmV3rjBkyo1brkU8K9+WJiwtwTxj+jASDv30UYlyzQJth:F33knjwJFj8AvDd7
Threatray 92 similar samples on MalwareBazaar
TLSH F2E2D07A6A947DF1C1324A38CACE8DE98AF5814A2430822C5FB9F8CEED570C52D25197
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader


Avatar
abuse_ch
Smoke Loader C2:
http://102water.com/1/

Intelligence

File Origin
# of uploads :
1
# of downloads :
619
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d4b38146bb30533379ac134c0692e189.exe
Verdict:
Malicious activity
Analysis date:
2020-12-22 09:23:50 UTC
Tags:
loader smoke trojan
Link:
https://app.any.run/tasks/966a4a45-97e8-4b35-884d-c494e89591ba

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/108674/
Detection(s):
Win.Malware.Razy-7588195-0
Create hunting rule

Win.Malware.Zurgop-7588196-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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
Setting browser functions hooks
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/568020
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: 333081 Sample: 71ZfTBzjYG.exe Startdate: 22/12/2020 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 8 71ZfTBzjYG.exe 2->8         started        11 ssgjajes.exe 2->11         started        process3 signatures4 71 Maps a DLL or memory area into another process 8->71 13 explorer.exe 5 8->13 injected 73 Antivirus detection for dropped file 11->73 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 process5 dnsIp6 43 102water.com 198.177.124.19, 49729, 80 FINALFRONTIERVG United States 13->43 45 www.msftncsi.com 13->45 39 C:\Users\user\AppData\...\ssgjajes.exe, PE32 13->39 dropped 41 C:\Users\...\ssgjajes.exe:Zone.Identifier, ASCII 13->41 dropped 79 Benign windows process drops PE files 13->79 81 Injects code into the Windows Explorer (explorer.exe) 13->81 83 Writes to foreign memory regions 13->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->85 18 explorer.exe 13->18         started        21 explorer.exe 13->21         started        23 explorer.exe 13->23         started        25 11 other processes 13->25 file7 signatures8 process9 signatures10 55 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 18->55 57 Hijacks the control flow in another process 18->57 59 Changes memory attributes in foreign processes to executable or writable 18->59 27 yzTDHQbOoBvDnkPCfhzYypQgbNBt.exe 18->27 injected 29 yzTDHQbOoBvDnkPCfhzYypQgbNBt.exe 18->29 injected 31 yzTDHQbOoBvDnkPCfhzYypQgbNBt.exe 18->31 injected 61 Writes to foreign memory regions 21->61 63 Maps a DLL or memory area into another process 21->63 65 Creates a thread in another existing process (thread injection) 21->65 33 sihost.exe 23->33 injected 35 taskhostw.exe 23->35 injected 67 Tries to steal Mail credentials (via file access) 25->67 69 Tries to harvest and steal browser information (history, passwords, etc) 25->69 37 ctfmon.exe 25->37 injected process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae/
Threat name:
Win32.Trojan.Zurgop
Create hunting rule
Status:
Malicious
First seen:
2020-12-22 08:27:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3rgj6k773qy3njjnewftxkuihj6gotezpaxdpty2fnj5x4rotcxa._file
Verdict:
malicious
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b9b9457414995a44d73a5f9e4f2e4487adb8334fac4acc3ea1b529a5a648cbe4
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c1830ba81a707357031fc8e5cd7cf3a6083c30f33669fe29590cc639140d6780
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c390f1f12cf19aa6e9cd4745f24453f6321e5baaa061e6af1769aa90e8e86fe4
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fd432f43312b44655f63742afcf79fbc830a13177be72233fe1a622386d89f59
Smoke Loader
+ 82 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/201222-bxt95dlq8e/
Behaviour
Suspicious behavior: MapViewOfSection
Maps connected drives based on registry
SmokeLoader
Malware Config
C2 Extraction:
http://102water.com/1/
Unpacked files
SH256 hash:
dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae
MD5 hash:
d4b38146bb30533379ac134c0692e189
SHA1 hash:
1423d6f517428d4dfe7234d13027b376db986f3a
Detections:
win_smokeloader_auto
Create hunting rule
Link:
https://www.unpac.me/results/3a0f5301-2d1f-4934-9391-0e6fd39c1465/
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/dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae

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 dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/937441/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108674/

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