MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a1f935a5f94e5b3d7d0c79dcd01a96d69650bfeadc4a49d6548b118e82e1e16. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a1f935a5f94e5b3d7d0c79dcd01a96d69650bfeadc4a49d6548b118e82e1e16
SHA3-384 hash: b6d8b15a4e8b2995b1aab796daef83888198702f0365283f3ef49ea825f97cbee112a87cdef71c7f9952d3c4bacc8439
SHA1 hash: 3faf1bd79b4a9c474f36867b19e3abf1225084ba
MD5 hash: 7dbc3c1962073a1ab43b3eb13cdf6003
humanhash: alabama-golf-oven-florida
File name:7dbc3c1962073a1ab43b3eb13cdf6003.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:243'200 bytes
First seen:2021-07-28 18:17:53 UTC
Last seen:2021-07-28 18:57:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 25027d61d8944eeff611c4ecc2e7c65c (3 x ArkeiStealer, 2 x Smoke Loader, 2 x GCleaner)
ssdeep 6144:opcqzKUTS5Yde/qyQK8ZtqTYIRu6jWc9g3VGZdOkU:cKUO54e/q60tmHwIp9gR
Threatray 2'523 similar samples on MalwareBazaar
TLSH T16C349E20B6E0C035F6F712F949BA93A8692D7E715F3051CB62D926EE02396E4DC31397
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7dbc3c1962073a1ab43b3eb13cdf6003.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-28 18:31:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c23beaa8-80d5-4fdc-9294-fb7ec885bb67

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Zeus
Create hunting rule
Link:
https://www.capesandbox.com/analysis/174790/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.9969.21589.UNOFFICIAL
Create hunting rule

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.
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d9523fa-9c7e-4020-bdcf-09db6c9179a8
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/823304
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
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)
Detected unpacking (overwrites its own PE header)
DLL reload attack detected
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Modifies the windows firewall
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 resolve many domain names, but no domain seems valid
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 455723 Sample: wxdh9aIrfH.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 56 www.google.com 2->56 58 mx3.hotmail.com 2->58 60 42 other IPs or domains 2->60 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 Multi AV Scanner detection for submitted file 2->80 86 17 other signatures 2->86 9 wxdh9aIrfH.exe 2->9         started        12 igegswg 2->12         started        14 svchost.exe 1 2->14         started        17 3 other processes 2->17 signatures3 82 System process connects to network (likely due to code injection or exploit) 58->82 84 Tries to resolve many domain names, but no domain seems valid 58->84 process4 dnsIp5 106 Detected unpacking (changes PE section rights) 9->106 19 wxdh9aIrfH.exe 9->19         started        108 Machine Learning detection for dropped file 12->108 74 192.168.2.1 unknown unknown 14->74 signatures6 process7 signatures8 88 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 19->88 90 Maps a DLL or memory area into another process 19->90 92 Checks if the current machine is a virtual machine (disk enumeration) 19->92 94 Creates a thread in another existing process (thread injection) 19->94 22 explorer.exe 25 19->22 injected process9 dnsIp10 62 readinglistforjuly9.xyz 22->62 64 readinglistforjuly8.xyz 22->64 66 13 other IPs or domains 22->66 38 C:\Users\user\AppData\Roaming\igegswg, PE32 22->38 dropped 40 C:\Users\user\AppData\Local\Temp\6020.exe, PE32 22->40 dropped 42 C:\Users\user\AppData\Local\Temp\4CF4.exe, PE32 22->42 dropped 44 10 other files (6 malicious) 22->44 dropped 96 System process connects to network (likely due to code injection or exploit) 22->96 98 Benign windows process drops PE files 22->98 100 Performs DNS queries to domains with low reputation 22->100 104 4 other signatures 22->104 27 3A33.exe 92 22->27         started        32 2EE6.exe 2 22->32         started        34 3262.exe 3 22->34         started        36 235C.exe 1 22->36         started        file11 102 Tries to resolve many domain names, but no domain seems valid 64->102 signatures12 process13 dnsIp14 68 xeronxikxxx.tumblr.com 27->68 70 116.202.183.50, 49764, 80 HETZNER-ASDE Germany 27->70 72 xeronxikxxx.tumblr.com 74.114.154.22, 443, 49763 AUTOMATTICUS Canada 27->72 46 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 27->46 dropped 48 C:\Users\user\AppData\...\mozglue[1].dll, PE32 27->48 dropped 50 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 27->50 dropped 54 9 other files (none is malicious) 27->54 dropped 110 Detected unpacking (changes PE section rights) 27->110 112 Detected unpacking (overwrites its own PE header) 27->112 114 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->114 126 2 other signatures 27->126 52 C:\Users\user\AppData\Local\...\eilhtczv.exe, PE32 32->52 dropped 116 Machine Learning detection for dropped file 32->116 118 Uses netsh to modify the Windows network and firewall settings 32->118 120 Modifies the windows firewall 32->120 122 Injects a PE file into a foreign processes 34->122 file15 124 Tries to resolve many domain names, but no domain seems valid 68->124 signatures16
Gathering data
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-07-28 16:17:59 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jipzgws7sts3hv6qy6o42anjnvuwkc76vxckjhlfjcyrr2bodyla._file
Verdict:
suspicious
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+ 2'513 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:tofsee family:vidar family:xmrig botnet:517 botnet:824 botnet:828 backdoor discovery evasion infostealer miner persistence spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/210728-6dwhgxf96n/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Modifies file permissions
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Vidar Stealer
XMRig Miner Payload
Raccoon
RedLine
SmokeLoader
Tofsee
Vidar
Windows security bypass
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
xmrig
Malware Config
C2 Extraction:
http://readinglistforjuly1.xyz/
http://readinglistforjuly2.xyz/
http://readinglistforjuly3.xyz/
http://readinglistforjuly4.xyz/
http://readinglistforjuly5.xyz/
http://readinglistforjuly6.xyz/
http://readinglistforjuly7.xyz/
http://readinglistforjuly8.xyz/
http://readinglistforjuly9.xyz/
http://readinglistforjuly10.xyz/
http://readinglistforjuly1.site/
http://readinglistforjuly2.site/
http://readinglistforjuly3.site/
http://readinglistforjuly4.site/
http://readinglistforjuly5.site/
http://readinglistforjuly6.site/
http://readinglistforjuly7.site/
http://readinglistforjuly8.site/
http://readinglistforjuly9.site/
http://readinglistforjuly10.site/
http://readinglistforjuly1.club/
http://readinglistforjuly2.club/
http://readinglistforjuly3.club/
http://readinglistforjuly4.club/
http://readinglistforjuly5.club/
http://readinglistforjuly6.club/
http://readinglistforjuly7.club/
http://readinglistforjuly8.club/
http://readinglistforjuly9.club/
http://readinglistforjuly10.club/
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
https://xeronxikxxx.tumblr.com/
https://shpak125.tumblr.com/
Unpacked files
SH256 hash:
a072ff0f96f6d1860931b95dafd98722dfb43ff14bc54290451b5e81cb50bf85
MD5 hash:
2ab92457b4aaad3a2e3352a752561a92
SHA1 hash:
4b01947d263d386d8541b2d590a4d7b3f4dd8c87
Link:
https://www.unpac.me/results/9d984947-67e9-49fd-85d2-610974a5c971/
SH256 hash:
4a1f935a5f94e5b3d7d0c79dcd01a96d69650bfeadc4a49d6548b118e82e1e16
MD5 hash:
7dbc3c1962073a1ab43b3eb13cdf6003
SHA1 hash:
3faf1bd79b4a9c474f36867b19e3abf1225084ba
Link:
https://www.unpac.me/results/9d984947-67e9-49fd-85d2-610974a5c971/
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/4a1f935a5f94e5b3d7d0c79dcd01a96d69650bfeadc4a49d6548b118e82e1e16

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 4a1f935a5f94e5b3d7d0c79dcd01a96d69650bfeadc4a49d6548b118e82e1e16

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1476590/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/174790/

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