MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ffb6f744a4dd0b5dd947d79bde9320493bf93674f90899cd3ae3b2640e8604. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91ffb6f744a4dd0b5dd947d79bde9320493bf93674f90899cd3ae3b2640e8604
SHA3-384 hash: aa74087e403f5b9f87224f8bd499c32567b83ebd5169fe3ba038db2d8748c09cb6a56c5a1829533799b3992068631d54
SHA1 hash: fe9cd4cafc85742e4fda76f15d38f6f7649569ac
MD5 hash: e69b936023d1d2cebdef68c6cceec304
humanhash: bluebird-twelve-october-foxtrot
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:295'424 bytes
First seen:2022-12-30 16:29:47 UTC
Last seen:2022-12-30 18:32:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a21d2eccfaa9a9a6d2521527583d5034 (12 x Smoke Loader, 11 x RedLineStealer, 1 x Amadey)
ssdeep 3072:H32KmG6A+1LOOIA1fIGeXDdRW2LNtxnHqheIlLbGsoJ5l+tNUyLU8y5/LU8y5NqA:hLfoLn1fIGeXD/BZ0Cyo5oJWx3E5
Threatray 15'465 similar samples on MalwareBazaar
TLSH T1A2549C5236B0D873C51A1E304961C7E4F5BAB96199667A0B33546E3F2F343D0B6AB30E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9adecedecee6eee6 (6 x Smoke Loader, 4 x RedLineStealer, 1 x Tofsee)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-30 16:32:16 UTC
Tags:
trojan loader smoke
Link:
https://app.any.run/tasks/880ac8e4-b43a-43f8-a552-8d349594cd11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.18309.1111.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-vm greyware packed
Link:
https://www.filescan.io/uploads/63af121140e878e3042150b7/reports/4207c2eb-b260-4bff-a449-35147ca6b96b/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4b3f0171-ab3c-475d-bbd5-7d3ee729d68b
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1143258
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to infect the boot sector
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 domain / URL
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 775988 Sample: file.exe Startdate: 30/12/2022 Architecture: WINDOWS Score: 100 54 wyndellribeiro.com.br 2->54 56 www.google.com 2->56 58 3 other IPs or domains 2->58 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 8 other signatures 2->66 10 file.exe 2->10         started        13 hbdrjjt 2->13         started        15 DF3.exe 2->15         started        signatures3 process4 signatures5 84 Detected unpacking (changes PE section rights) 10->84 86 Maps a DLL or memory area into another process 10->86 88 Checks if the current machine is a virtual machine (disk enumeration) 10->88 17 explorer.exe 8 10->17 injected 90 Machine Learning detection for dropped file 13->90 92 Creates a thread in another existing process (thread injection) 13->92 process6 dnsIp7 48 degroeneuitzender.nl 5.135.247.111, 443, 49702 OVHFR France 17->48 50 vatra.at 31.167.195.81, 49695, 49710, 80 MOBILY-ASEtihadEtisalatCompanyMobilySA Saudi Arabia 17->50 52 6 other IPs or domains 17->52 34 C:\Users\user\AppData\Roaming\hbdrjjt, PE32 17->34 dropped 36 C:\Users\user\AppData\Local\TempC5A.exe, PE32+ 17->36 dropped 38 C:\Users\user\AppData\Local\Temp4EE.exe, PE32 17->38 dropped 40 2 other malicious files 17->40 dropped 68 System process connects to network (likely due to code injection or exploit) 17->68 70 Benign windows process drops PE files 17->70 72 Deletes itself after installation 17->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->74 22 DF3.exe 17->22         started        25 E4EE.exe 5 17->25         started        28 EC5A.exe 3 17->28         started        file8 signatures9 process10 file11 76 Detected unpacking (changes PE section rights) 22->76 78 Detected unpacking (overwrites its own PE header) 22->78 80 Machine Learning detection for dropped file 22->80 82 Contains functionality to infect the boot sector 22->82 42 C:\Users\user\AppData\Local\...\Sppyteaet.exe, PE32 25->42 dropped 44 C:\Users\user\AppData\...\Sppyteaet..tmp, DOS 25->44 dropped 30 Sppyteaet.exe 25->30         started        46 C:\Users\user\AppData\...\participov.exe, PE32 28->46 dropped signatures12 process13 process14 32 notepad.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91ffb6f744a4dd0b5dd947d79bde9320493bf93674f90899cd3ae3b2640e8604/
Threat name:
Win32.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2022-12-30 16:30:10 UTC
File Type:
PE (Exe)
Extracted files:
70
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sh73n52eutoqwxozi7lzxxutebetx6jwot4qrgonhlr3ezaoqyca._file
Verdict:
malicious
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Smoke Loader
+ 15'455 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/221230-tztvrsfh92/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
Detects Smokeloader packer
SmokeLoader
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8343d41f-8556-420a-8dce-9bab15acec46
Unpacked files
SH256 hash:
6068910718476b25f80759a5fcf74a2bd9a8baf454e62c0b29098119b3ed8d00
MD5 hash:
f037f0beb48c2ce39a25cb97f570bd28
SHA1 hash:
f850c07e43c36274f1fef85afe8c1a815033377f
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/f67db943-e184-4570-89c6-d311f2dabddc/
Parent samples :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 hash:
91ffb6f744a4dd0b5dd947d79bde9320493bf93674f90899cd3ae3b2640e8604
MD5 hash:
e69b936023d1d2cebdef68c6cceec304
SHA1 hash:
fe9cd4cafc85742e4fda76f15d38f6f7649569ac
Link:
https://www.unpac.me/results/f67db943-e184-4570-89c6-d311f2dabddc/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91ffb6f744a4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91ffb6f744a4dd0b5dd947d79bde9320493bf93674f90899cd3ae3b2640e8604

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 91ffb6f744a4dd0b5dd947d79bde9320493bf93674f90899cd3ae3b2640e8604

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2432863/

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