MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71cb880a73d0cb7eb933a93be2b6bb9ee394a2cda1f0f5e882d5bfc83f4e0609. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments 1

SHA256 hash: 71cb880a73d0cb7eb933a93be2b6bb9ee394a2cda1f0f5e882d5bfc83f4e0609
SHA3-384 hash: 4c61c83fb98966dc28871f65c8fc85740cac5879cd6110e496f34173518b5a2c637d4e34263321436cf00d3b21c50283
SHA1 hash: cca710b3ed9369d10b9ccd837ce818a5d27b5209
MD5 hash: a08c1dc3a98e7c05bf70668a1a1d2050
humanhash: cup-jersey-glucose-hot
File name:a08c1dc3a98e7c05bf70668a1a1d2050
Download: download sample
Signature Smoke Loader
File size:223'232 bytes
First seen:2022-10-13 14:10:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a1b373e7ca3fda2ce442bdf8c326bfda (2 x Smoke Loader, 2 x RedLineStealer)
ssdeep 3072:zWACudfz9vcA+bLUzm44ftx+GqHpmVP+TU35acyHfAKOrpdIjYwRmGnQfsVARB+A:zFtabLqm4utITauorpdQRTW6ARB+Aa
Threatray 7'890 similar samples on MalwareBazaar
TLSH T15D24CF2232E0C472E2AB12388C15DAF46BBFB8714972468B3BD44A7D5F357D2DE25306
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acedecee6eae6 (99 x Smoke Loader, 31 x RedLineStealer, 28 x Tofsee)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm emotet greyware mokes packed ursnif
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.
Result
Threat name:
DanaBot, SmokeLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to detect sleep reduction / modifications
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected DanaBot stealer dll
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722538 Sample: gGsHLst8hJ.exe Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 9 gGsHLst8hJ.exe 2->9         started        12 dvjfrsr 2->12         started        14 dvjfrsr 2->14         started        process3 signatures4 66 Detected unpacking (changes PE section rights) 9->66 68 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->68 70 Maps a DLL or memory area into another process 9->70 16 explorer.exe 6 9->16 injected 72 Machine Learning detection for dropped file 12->72 74 Checks if the current machine is a virtual machine (disk enumeration) 12->74 76 Creates a thread in another existing process (thread injection) 12->76 process5 dnsIp6 36 181.167.134.24, 49725, 49729, 49731 TelecomArgentinaSAAR Argentina 16->36 38 58.235.189.192, 49697, 49698, 49713 SKB-ASSKBroadbandCoLtdKR Korea Republic of 16->38 40 8 other IPs or domains 16->40 28 C:\Users\user\AppData\Roaming\dvjfrsr, PE32 16->28 dropped 30 C:\Users\user\AppData\Local\Temp\CB8B.exe, PE32 16->30 dropped 32 C:\Users\user\AppData\Local\Temp\4488.exe, PE32 16->32 dropped 34 C:\Users\user\...\dvjfrsr:Zone.Identifier, ASCII 16->34 dropped 50 System process connects to network (likely due to code injection or exploit) 16->50 52 Benign windows process drops PE files 16->52 54 Deletes itself after installation 16->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->56 21 4488.exe 16->21         started        file7 signatures8 process9 signatures10 58 Multi AV Scanner detection for dropped file 21->58 60 Detected unpacking (changes PE section rights) 21->60 62 Detected unpacking (overwrites its own PE header) 21->62 64 3 other signatures 21->64 24 7za.exe 1 21->24         started        process11 process12 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Raccoon
Status:
Malicious
First seen:
2022-10-13 14:11:07 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:danabot family:smokeloader backdoor banker spyware stealer trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Enumerates connected drives
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Danabot
Detects Smokeloader packer
SmokeLoader
Malware Config
C2 Extraction:
192.236.233.188:443
192.119.70.159:443
23.106.124.171:443
213.227.155.103:443
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:@wowabiy314
Description:PDB

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 71cb880a73d0cb7eb933a93be2b6bb9ee394a2cda1f0f5e882d5bfc83f4e0609

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-10-13 14:10:19 UTC

url : hxxp://pelegisr.com/upload/ChromeSetup.exe