MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31
SHA3-384 hash: c242d48904ae635a517afc3fdecb5b0503f8c904d965a566c64bc70ef4f6494fd1549dbea0e18b9fea93ad80f68b2ef0
SHA1 hash: a543bd3d389a1b394fc70d24aecf2fcdd3ce404f
MD5 hash: 762cfb6c8214d570d2849d4a725adf4b
humanhash: idaho-seventeen-earth-dakota
File name:762cfb6c8214d570d2849d4a725adf4b
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:220'672 bytes
First seen:2023-09-18 12:37:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ce8f73efe55fe8941a4d8de6d00c2037 (4 x Gozi, 2 x Tofsee, 1 x RedLineStealer)
ssdeep 3072:XAXCMa7QSLnbuK/P6gw8QN9/6RDfxjt85TWETtyl:kCMMQSLb3/P6gw8QN9/+pj8WETk
Threatray 1'625 similar samples on MalwareBazaar
TLSH T1CC24BF113992C4B2C5A745314864DAF47A7B7C339E78498B37A83F6F7D313926BA6302
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 0204050518284000 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
762cfb6c8214d570d2849d4a725adf4b
Verdict:
Malicious activity
Analysis date:
2023-09-18 12:40:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/857d2451-c47e-4c3a-a71c-29097118ac4d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/449348/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/650844abf1b40cb0d61df3ec/reports/98731f8f-ec2a-4a63-ba52-4a61ca07e327/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5a21855-54b7-4372-b984-6d486c70f3a7
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310006
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
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: 1310006 Sample: MMMqcO8u53.exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 64 nebraska-pizza.com 2->64 68 Snort IDS alert for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 5 other signatures 2->74 10 MMMqcO8u53.exe 2->10         started        13 bcbuitb 2->13         started        15 msiexec.exe 2->15         started        signatures3 process4 signatures5 108 Detected unpacking (changes PE section rights) 10->108 110 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->110 112 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->112 120 3 other signatures 10->120 17 explorer.exe 3 13 10->17 injected 114 Antivirus detection for dropped file 13->114 116 Multi AV Scanner detection for dropped file 13->116 118 Machine Learning detection for dropped file 13->118 process6 dnsIp7 60 nebraska-pizza.com 45.61.136.186, 443, 49706, 49707 AS40676US United States 17->60 62 192.168.2.1 unknown unknown 17->62 52 C:\Users\user\AppData\Roaming\bcbuitb, PE32 17->52 dropped 54 C:\Users\user\AppData\Local\Temp\604.exe, PE32+ 17->54 dropped 56 C:\Users\user\AppData\Local\Temp\2329.exe, PE32+ 17->56 dropped 58 C:\Users\user\...\bcbuitb:Zone.Identifier, ASCII 17->58 dropped 76 System process connects to network (likely due to code injection or exploit) 17->76 78 Benign windows process drops PE files 17->78 80 Injects code into the Windows Explorer (explorer.exe) 17->80 82 3 other signatures 17->82 22 604.exe 14 17->22         started        25 explorer.exe 17->25         started        27 explorer.exe 17->27         started        29 7 other processes 17->29 file8 signatures9 process10 dnsIp11 84 Multi AV Scanner detection for dropped file 22->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->86 88 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 22->88 106 2 other signatures 22->106 32 cmd.exe 22->32         started        90 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 25->90 92 Hijacks the control flow in another process 25->92 94 Changes memory attributes in foreign processes to executable or writable 25->94 96 Writes to foreign memory regions 27->96 98 Creates a thread in another existing process (thread injection) 27->98 66 nebraska-pizza.com 29->66 100 System process connects to network (likely due to code injection or exploit) 29->100 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->102 104 Tries to steal Mail credentials (via file / registry access) 29->104 34 cmd.exe 29->34         started        signatures12 process13 process14 36 conhost.exe 32->36         started        38 WMIC.exe 32->38         started        40 WMIC.exe 32->40         started        48 3 other processes 32->48 42 conhost.exe 34->42         started        44 WMIC.exe 34->44         started        46 WMIC.exe 34->46         started        50 3 other processes 34->50
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-09-18 12:38:05 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4fxrysx3vzv56ymbxluw5uvizcueh34d5gzrgkvsukq4prb3iyq._file
Verdict:
malicious
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Smoke Loader
+ 1'615 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:0023 backdoor collection evasion spyware stealer trojan
Link:
https://tria.ge/reports/230918-pt2k7shc8s/
Behaviour
Checks SCSI registry key(s)
Enumerates processes with tasklist
Gathers network information
Gathers system information
Modifies Internet Explorer settings
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Deletes itself
Executes dropped EXE
Reads user/profile data of web browsers
Modifies Windows Firewall
SmokeLoader
Malware Config
C2 Extraction:
https://nebraska-pizza.com/search.php
https://alaska-ships.com/search.php
Unpacked files
SH256 hash:
3bf4a00c575053d20d95b78eaa4e389fa83599501f0147ce7c36098f3d7de522
MD5 hash:
56dd145d3bc536592246ec52f9e544fe
SHA1 hash:
e7de1e42f73aa8457f88eb2f6334d379a4126e6b
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/940888f7-804e-4259-b77f-9a3284563fde/
Parent samples :
570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31
eaf9fcf210002cf39af2e76d18880bef6954079b1e6107c4bce5ac7d2b0e0dec
ee7042c2f270f30b2b966f6b74fc0b73688201f7383b0c939724fc8e8a0ba330
9cfcac8bcae24c1abf6ba88298ba8182e92f0e8a2917086f4bc6c57614444f21
9cd51e10e0654c87d3e1ebcd86f93f90e6314c6f8538f25d9c8a15ac48827c9b
77001b2295a241e528cb83f69879f3137f1ff9fd33b9d4d5bf2f879c6b67f69c
SH256 hash:
570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31
MD5 hash:
762cfb6c8214d570d2849d4a725adf4b
SHA1 hash:
a543bd3d389a1b394fc70d24aecf2fcdd3ce404f
Link:
https://www.unpac.me/results/940888f7-804e-4259-b77f-9a3284563fde/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/570b78e257dd/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/570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 570b78e257dd735efb0c0dd74b76954645421f7c1f4d98995595150e3e21da31

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2712313/
Cape
Cape
https://www.capesandbox.com/analysis/449348/

Comments


Avatar
zbet commented on 2023-09-18 12:37:43 UTC

url : hxxp://66.85.156.93/ku923.exe