MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7. 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: efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7
SHA3-384 hash: 478f873084f3944b98e726af809f72efc7ee9d2aed5d3c94583d2db85325e0628cd207296b734e4608a4ac11f889e5bf
SHA1 hash: 6f06fee048575ed11ef0c7f4bc55462131a1695d
MD5 hash: a9f00edf2f2bda2e9c5c3df403cbc2a7
humanhash: september-video-ten-hawaii
File name:a9f00edf2f2bda2e9c5c3df403cbc2a7.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:210'944 bytes
First seen:2023-10-11 19:30:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a23dfd32f2df0e0d3e764c5a7f1183d4 (1 x Smoke Loader)
ssdeep 3072:ZHXDogD65oyY99krdEVnSUptI2u66I0G1QGDS2Ko3Bjy51RT9:FDnD+YLkC/C2DRQGDS2Ko3Bj0T
TLSH T1A324CF257992D4B3C44740309861CAF46A7A7C329A78B587376C3FBF6E323929767E01
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 001028280c010400 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
a9f00edf2f2bda2e9c5c3df403cbc2a7.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 19:58:38 UTC
Tags:
loader smoke
Link:
https://app.any.run/tasks/1ebb1921-2ca4-466d-8ed7-4e3cde5514a0

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/453482/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6526f7f8a29a7002139f7726/reports/c677992e-5487-4298-80ec-5b436a25244e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7
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/e5a5eb11-7d34-483c-b249-42e848ae7078
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324102
Signature
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 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)
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
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 resolve many domain names, but no domain seems valid
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1324102 Sample: z1mbkEQayq.exe Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 21 zasadacafe.by 2->21 23 zakrylki809.ru 2->23 25 17 other IPs or domains 2->25 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 41 4 other signatures 2->41 7 z1mbkEQayq.exe 2->7         started        10 ciivaah 2->10         started        signatures3 39 Tries to resolve many domain names, but no domain seems valid 23->39 process4 signatures5 43 Detected unpacking (changes PE section rights) 7->43 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->45 47 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->47 49 Creates a thread in another existing process (thread injection) 7->49 12 explorer.exe 6 3 7->12 injected 51 Machine Learning detection for dropped file 10->51 53 Maps a DLL or memory area into another process 10->53 55 Checks if the current machine is a virtual machine (disk enumeration) 10->55 process6 dnsIp7 27 dublebomber.ru 193.106.174.128, 49716, 49717, 49718 IQHOSTRU Russian Federation 12->27 29 popuasyfromua.ru 194.58.112.174, 49719, 49729, 49733 AS-REGRU Russian Federation 12->29 31 yavasponimayu.ru 12->31 17 C:\Users\user\AppData\Roaming\ciivaah, PE32 12->17 dropped 19 C:\Users\user\...\ciivaah:Zone.Identifier, ASCII 12->19 dropped 57 System process connects to network (likely due to code injection or exploit) 12->57 59 Benign windows process drops PE files 12->59 61 Deletes itself after installation 12->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->63 file8 65 Tries to resolve many domain names, but no domain seems valid 27->65 signatures9
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-10-10 07:44:55 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57jkhxn7fn7grkhtgwmglx6nn7iuap5x2hojiwvhvjgmwubij3tq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/231011-x8ec8agh61/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://dublebomber.ru/
http://yavasponimayu.ru/
http://nomnetozhedenyuzhkanuzhna.ru/
http://prostosmeritesya.ru/
http://ipoluchayteudovolstvie.ru/
http://super777bomba.ru/
http://specnaznachenie.ru/
http://zakrylki809.ru/
http://propertyminsk.by/
http://iloveua.ir/
http://moyabelorussiya.by/
http://tvoyaradostetoya.ru/
http://zasadacafe.by/
http://restmantra.by/
http://kozachok777.ru/
http://propertyiran.ir/
http://sakentoshi.ru/
http://popuasyfromua.ru/
http://diplombar.by/
Unpacked files
SH256 hash:
2100d850a75c59b8fd9397410bec6a3632db5166657514b68fcb6342dad20dc5
MD5 hash:
e590ed2a0eac4f068beae4014c422e91
SHA1 hash:
b8b2fe7268cf00e91e74083022e87b080fc719e8
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/3d05e3a1-5242-4968-8b32-67f985e5f7d9/
Parent samples :
143310670009099214b1b1a812e98a485db3e2879ab35dca8ba63005a62a610c
9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc
efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7
8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
d3bff8ee2566c13a391cec24be134d3d04ee65b87529e1c98caf93b5b559fce4
4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
a8a3130c779904e23b50d69b4e73a714b345e296feebb9f64a732d5c73e7973b
SH256 hash:
efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7
MD5 hash:
a9f00edf2f2bda2e9c5c3df403cbc2a7
SHA1 hash:
6f06fee048575ed11ef0c7f4bc55462131a1695d
Link:
https://www.unpac.me/results/3d05e3a1-5242-4968-8b32-67f985e5f7d9/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efd2a3ddbf2b/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/efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7

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

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 efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2716568/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2716567/
Cape
Cape
https://www.capesandbox.com/analysis/453482/

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