MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
SHA3-384 hash: b048f9bda67c6236096b5e2af91e6d514eff321d9ad796293c2e2c883b1fbb06755f9c4d1c95c142e2d8d065374d0363
SHA1 hash: 475f33725adff71eddf643417bd99503a7c28600
MD5 hash: 03c21a41410583cb7a38a603d657e68a
humanhash: wyoming-oranges-aspen-winner
File name:mstsc.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:261'642 bytes
First seen:2023-10-12 07:27:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3438886e6009a26e0534b002f5a2db0a (2 x Gozi, 2 x Smoke Loader, 1 x CoinMiner)
ssdeep 3072:Ml71R4KeMCxlZ34ePs49i2HuvfDPfNktrHUt1EsMkm:k4KeMCl34efyfDGtrHUNMN
Threatray 2'158 similar samples on MalwareBazaar
TLSH T11D44AE1276A4C436E1A32E314871C6A15B7BBCE3EA3455CB37943F2E9E712C11A74B0B
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)
Reporter Anonymous
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
mstsc.exe
Verdict:
Malicious activity
Analysis date:
2023-10-12 07:29:29 UTC
Tags:
sinkhole loader smoke
Link:
https://app.any.run/tasks/c90529b2-7ab3-4668-8b22-701040611a25

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/453698/
Detection(s):
Win.Malware.Generic-10010271-0
Create hunting rule

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
Creating a process from a recently created file
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay
Link:
https://www.filescan.io/uploads/6527a003422e14c65a8dfe3b/reports/30287a0a-60cb-433b-871f-f706b0f2524e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
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/1505c85f-57e0-418d-a4cc-f4395607bbca
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324460
Signature
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 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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
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: 1324460 Sample: mstsc.exe Startdate: 12/10/2023 Architecture: WINDOWS Score: 100 32 yavasponimayu.ru 2->32 34 tvoyaradostetoya.ru 2->34 36 18 other IPs or domains 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 46 7 other signatures 2->46 8 mstsc.exe 2->8         started        11 ifsisud 2->11         started        13 ifsisud 2->13         started        15 explorer.exe 18 130 2->15         started        signatures3 44 Tries to resolve many domain names, but no domain seems valid 34->44 process4 signatures5 56 Detected unpacking (changes PE section rights) 8->56 58 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->58 60 Maps a DLL or memory area into another process 8->60 17 explorer.exe 2 3 8->17 injected 62 Antivirus detection for dropped file 11->62 64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Checks if the current machine is a virtual machine (disk enumeration) 13->68 70 Creates a thread in another existing process (thread injection) 13->70 72 Query firmware table information (likely to detect VMs) 15->72 process6 dnsIp7 28 dublebomber.ru 193.106.174.128, 49713, 49714, 49715 IQHOSTRU Russian Federation 17->28 30 popuasyfromua.ru 194.58.112.174, 49716, 80 AS-REGRU Russian Federation 17->30 24 C:\Users\user\AppData\Roaming\ifsisud, PE32 17->24 dropped 26 C:\Users\user\...\ifsisud:Zone.Identifier, ASCII 17->26 dropped 48 System process connects to network (likely due to code injection or exploit) 17->48 50 Benign windows process drops PE files 17->50 52 Deletes itself after installation 17->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->54 22 WerFault.exe 21 17->22         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-10-12 07:28:07 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rorakihasp4xzanr62mkhi5hl6ujibaho7xtfgj2sigbmvqt7p5a._file
Verdict:
malicious
Similar samples:
143310670009099214b1b1a812e98a485db3e2879ab35dca8ba63005a62a610c
Smoke Loader
2827659e91ce12f283b9c619460ffac72e7eaf449b0d5c4b69e7dcd3f435c93a
Smoke Loader
78d20bb0f3344b725617819f4f2c2246a3c1d1cada81d931d63603f67a1b7aa7
Smoke Loader
89f95125147099a904d27ea26b3cb99c98f6d289bd6d6fc437d1e9c68fe65274
Smoke Loader
a58feb7dd89f90f6e2e66f514837dc037ad56822ce08c964d9b7a325ea4c089e
Smoke Loader
c4e2d88423ccf3deb091466181ecec99da2b65411afd07604216dac7d8dcc939
Smoke Loader
dc1bc9d08ef773a4d935b0051c240ef1b9f2ce8dcc000063ffdcab1ef6bd1d50
Smoke Loader
+ 2'148 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/231012-janmcadh5x/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
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/3285e7a8-11f2-41a8-bb72-b4fcb7c47431/
Parent samples :
143310670009099214b1b1a812e98a485db3e2879ab35dca8ba63005a62a610c
9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc
efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7
8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
d3bff8ee2566c13a391cec24be134d3d04ee65b87529e1c98caf93b5b559fce4
4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
a8a3130c779904e23b50d69b4e73a714b345e296feebb9f64a732d5c73e7973b
SH256 hash:
8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
MD5 hash:
03c21a41410583cb7a38a603d657e68a
SHA1 hash:
475f33725adff71eddf643417bd99503a7c28600
Link:
https://www.unpac.me/results/3285e7a8-11f2-41a8-bb72-b4fcb7c47431/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ba20520e093/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have import table
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.

Cape
Cape
https://www.capesandbox.com/analysis/453698/

Comments