MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6
SHA3-384 hash: 02e9a48fd5d8d2978d900f9fdac7286982a42cbd97291f52ce79e15543abedfdbeb9916c5b65d2d34e327c43957306d5
SHA1 hash: da6096edee23cfd59cf90c1e6a3a9146ae9d5ff0
MD5 hash: 9c0de297b9ea30ffbe100ee12150f122
humanhash: pip-sodium-wolfram-uncle
File name:171687721070698e62c2170d003b444ecf0c5f6af81f98e26a56198e118930566be818fe52443.dat-decoded
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:37'888 bytes
First seen:2024-05-28 06:20:11 UTC
Last seen:2024-05-28 07:24:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 384:sKZ1vXmx5SW6+aWmDVRuLMROLHrN/DKMtoCDl67us6lmXBhXSSS5d8P38lH9yvLJ:NvKaWmOvZxlV5AXHSLd8Uldyvjwt
TLSH T1E403D173B041903FCB6C9376D0CA4A1F6F646FC72AE81AED0054AFAA7C513997536119
TrID 42.6% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
18.9% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Reporter abuse_ch
Tags:base64-decoded exe Smoke Loader


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
2
# of downloads :
377
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 06:24:08 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/94793e6e-04f2-4503-ad94-97714527566f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.11950.26454.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665577e93d0e5a324e7652a7win7simulatehigh_evasion
Tags:
Static
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Launching a process
Reading critical registry keys
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Forced shutdown of a browser
Unauthorized injection to a browser process
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/665577d0458fabe8a95c395d/reports/a25aa50e-c9d7-4cd1-87c3-7544a6e6474c/overview
Verdict:
Malicious
Labled as:
Trojan.Heur.Generic
Link:
https://www.hybrid-analysis.com/sample/f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5592e67e-415f-47d3-96eb-326fa668a6d0
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448294
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
PE file has a writeable .text section
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448294 Sample: 171687721070698e62c2170d003... Startdate: 28/05/2024 Architecture: WINDOWS Score: 100 34 prolinice.ga 2->34 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 8 other signatures 2->52 9 171687721070698e62c2170d003b444ecf0c5f6af81f98e26a56198e118930566be818fe52443.dat-decoded.exe 2->9         started        12 rrrrcve 2->12         started        signatures3 process4 signatures5 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->64 66 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->66 68 Maps a DLL or memory area into another process 9->68 76 2 other signatures 9->76 14 explorer.exe 37 4 9->14 injected 70 Antivirus detection for dropped file 12->70 72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 process6 dnsIp7 36 prolinice.ga 77.232.129.190, 49736, 49737, 49746 BSTV-ASRU Russian Federation 14->36 30 C:\Users\user\AppData\Roaming\rrrrcve, PE32 14->30 dropped 32 C:\Users\user\...\rrrrcve:Zone.Identifier, ASCII 14->32 dropped 38 Benign windows process drops PE files 14->38 40 Injects code into the Windows Explorer (explorer.exe) 14->40 42 Deletes itself after installation 14->42 44 2 other signatures 14->44 19 explorer.exe 18 14->19         started        22 explorer.exe 14->22         started        24 explorer.exe 14->24         started        26 6 other processes 14->26 file8 signatures9 process10 signatures11 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Found evasive API chain (may stop execution after checking mutex) 19->56 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->58 62 3 other signatures 19->62 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 28 WerFault.exe 21 26->28         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-05-28 06:21:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=65ke6b5ui2hdry3ga622ywzygxvmcsd6puln2uwkravt2aq4dg3a._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor collection trojan
Link:
https://tria.ge/reports/240528-g4btjaad38/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://prolinice.ga/index.php
http://vilendar.ga/index.php
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8365ef96-fa6d-44d7-8758-151023f06c40
Unpacked files
SH256 hash:
f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6
MD5 hash:
9c0de297b9ea30ffbe100ee12150f122
SHA1 hash:
da6096edee23cfd59cf90c1e6a3a9146ae9d5ff0
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/8f428eba-d996-4a42-812b-f73293b10a12/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f7544f07b446/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dofoil
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Web download

Smoke Loader

unknown 70698e62c2170d003b444ecf0c5f6af81f98e26a56198e118930566be818fe52

Smoke Loader

Executable exe f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6

(this sample)

  
Dropped by
SHA256 70698e62c2170d003b444ecf0c5f6af81f98e26a56198e118930566be818fe52
  
Dropped by
MD5 5fea6e7ebea4108ca440331ecea20f97
  
URLhaus
https://urlhaus.abuse.ch/url/2866315/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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