MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8501dc331081a8fdbb9f6a5789a8317acddd6ea7d5c0446f359df9c4922f9f72. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8501dc331081a8fdbb9f6a5789a8317acddd6ea7d5c0446f359df9c4922f9f72
SHA3-384 hash: 7a6cbc698e4cb965ddaff7b90376d5a9581c9c1e61213e2b355f545d19353e4f7c6848b90940d2c30e355e72f5ca2ea8
SHA1 hash: 41ef20744ae39b938dd45b9e0fc15f3215fe0ce5
MD5 hash: a27e10e9ae9c9322be87216d84ac718f
humanhash: pip-kitten-uniform-sierra
File name:a27e10e9ae9c9322be87216d84ac718f.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:166'912 bytes
First seen:2021-03-28 07:06:09 UTC
Last seen:2021-03-28 07:57:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3ecbda6de31890eaa5cd272ab1b192ac (5 x Smoke Loader, 4 x FickerStealer, 3 x RaccoonStealer)
ssdeep 3072:LCSDXLUaGy/L+6vT2nf6x0n6PIertmG5VG7T1z:LCSDXlGSL+8GixA9eRhy
Threatray 287 similar samples on MalwareBazaar
TLSH 83F3AD1139C6C873E5A229719970C2B1163BFCB65B2166CB7BC43B6E1E352E38A35743
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
510
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a27e10e9ae9c9322be87216d84ac718f.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-28 07:07:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9dcfc4ed-6684-4861-bf75-699676c18d01

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/127338/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.73787.23544.3982.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Deleting of the original file
Enabling autorun by creating a file
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e691bf6-e556-4a9f-a676-d87a723f1f65
Result
Threat name:
Tofsee Vidar Xmrig
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/656069
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Creates files in alternative data streams (ADS)
Deletes itself after installation
Detected Stratum mining protocol
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Renames NTDLL to bypass HIPS
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected Tofsee
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 376969 Sample: u8A8Qy5S7O.exe Startdate: 28/03/2021 Architecture: WINDOWS Score: 100 94 www.google.be 2->94 96 mxlb.ispgateway.de 2->96 98 4 other IPs or domains 2->98 124 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->124 126 Found malware configuration 2->126 128 Malicious sample detected (through community Yara rule) 2->128 130 12 other signatures 2->130 10 u8A8Qy5S7O.exe 1 2->10         started        13 kklwrsqy.exe 2->13         started        15 ebhchai 1 2->15         started        18 ebhchai 2->18         started        signatures3 process4 file5 148 Detected unpacking (changes PE section rights) 10->148 150 Renames NTDLL to bypass HIPS 10->150 152 Maps a DLL or memory area into another process 10->152 20 explorer.exe 8 10->20 injected 154 Detected unpacking (overwrites its own PE header) 13->154 156 Writes to foreign memory regions 13->156 158 Allocates memory in foreign processes 13->158 160 Injects a PE file into a foreign processes 13->160 25 svchost.exe 13->25         started        92 C:\Users\user\AppData\Local\Temp\CC4F.tmp, PE32 15->92 dropped 162 Machine Learning detection for dropped file 15->162 164 Checks if the current machine is a virtual machine (disk enumeration) 15->164 166 Creates a thread in another existing process (thread injection) 15->166 signatures6 process7 dnsIp8 100 91.203.5.155, 49772, 80 VOLIA-ASUA Ukraine 20->100 102 junntd.xyz 213.149.152.120, 49742, 49744, 49746 ULTRANET-ASBG Bulgaria 20->102 108 8 other IPs or domains 20->108 72 C:\Users\user\AppData\Roaming\ebhchai, PE32 20->72 dropped 74 C:\Users\user\AppData\Local\Temp\A7D2.exe, PE32 20->74 dropped 76 C:\Users\user\AppData\Local\Temp\987F.exe, PE32 20->76 dropped 80 2 other malicious files 20->80 dropped 132 System process connects to network (likely due to code injection or exploit) 20->132 134 Benign windows process drops PE files 20->134 136 Deletes itself after installation 20->136 138 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->138 27 8EF9.exe 85 20->27         started        32 A7D2.exe 2 20->32         started        34 987F.exe 14 20->34         started        104 217.172.179.54, 427, 49787, 49794 GD-EMEA-DC-SXB1DE Germany 25->104 106 79.52.17.84.dnsbl.sorbs.net 25->106 110 18 other IPs or domains 25->110 78 C:\Windows\SysWOW64\...\systemprofile:.repos, data 25->78 dropped 140 Creates files in alternative data streams (ADS) 25->140 142 Injects a PE file into a foreign processes 25->142 36 svchost.exe 25->36         started        file9 144 Detected Stratum mining protocol 104->144 signatures10 process11 dnsIp12 112 data.parafia-strumiany.pl 157.90.227.5, 49769, 80 REDIRISRedIRISAutonomousSystemES United States 27->112 114 api.faceit.com 104.17.63.50, 443, 49767 CLOUDFLARENETUS United States 27->114 82 C:\Users\user\AppData\...\softokn3[1].dll, PE32 27->82 dropped 84 C:\Users\user\AppData\...\freebl3[1].dll, PE32 27->84 dropped 86 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 27->86 dropped 90 9 other files (none is malicious) 27->90 dropped 168 Detected unpacking (changes PE section rights) 27->168 170 Detected unpacking (overwrites its own PE header) 27->170 172 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->172 186 3 other signatures 27->186 38 cmd.exe 1 27->38         started        88 C:\Users\user\AppData\Local\...\kklwrsqy.exe, PE32 32->88 dropped 174 Machine Learning detection for dropped file 32->174 176 Uses netsh to modify the Windows network and firewall settings 32->176 178 Modifies the windows firewall 32->178 40 cmd.exe 2 32->40         started        43 cmd.exe 1 32->43         started        45 sc.exe 1 32->45         started        52 3 other processes 32->52 116 dolboeb1701.com 8.208.95.18, 49776, 49777, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 34->116 118 bdns.by 88.80.20.20, 443, 49763 PRQ-AS________________________SE Sweden 34->118 180 Tries to steal Mail credentials (via file access) 34->180 182 Tries to harvest and steal browser information (history, passwords, etc) 34->182 47 cmd.exe 34->47         started        120 msr.pool-pay.com 176.9.119.47, 49816, 6199 HETZNER-ASDE Germany 36->120 184 System process connects to network (likely due to code injection or exploit) 36->184 50 conhost.exe 36->50         started        file13 signatures14 process15 dnsIp16 54 taskkill.exe 1 38->54         started        56 conhost.exe 38->56         started        58 timeout.exe 38->58         started        146 Uses ping.exe to check the status of other devices and networks 40->146 60 conhost.exe 40->60         started        62 conhost.exe 43->62         started        64 conhost.exe 45->64         started        122 127.0.0.1 unknown unknown 47->122 68 2 other processes 47->68 66 conhost.exe 52->66         started        70 2 other processes 52->70 signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8501dc331081a8fdbb9f6a5789a8317acddd6ea7d5c0446f359df9c4922f9f72/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-03-27 23:38:37 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qua5ymyqqgup3o47njlytkbrplg523vh2xaei3zvtx44jerpt5za._file
Verdict:
malicious
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+ 277 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader family:taurus_stealer family:tofsee family:vidar family:xmrig backdoor discovery evasion miner persistence spyware stealer trojan
Link:
https://tria.ge/reports/210328-31e6l1dc3x/
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 system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
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
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Modifies file permissions
Reads local data of messenger clients
Reads user/profile data of web browsers
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
SmokeLoader
Taurus Stealer
Tofsee
Vidar
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://xsss99.icu/upload/
http://bingooodsg.icu/upload/
http://junntd.xyz/upload/
http://ginessa11.xyz/upload/
http://overplayninsx.xyz/upload/
http://bananinze.com/upload/
http://daunimlas.com/upload/
Unpacked files
SH256 hash:
9182f5904e7eba21a624a9773b407b91b3ce62fe468eb2f08900097a2c11c736
MD5 hash:
83214661ec613049f6ac027885953f70
SHA1 hash:
48771dca71cded7df146802801f4c09b8fd0fd3b
Link:
https://www.unpac.me/results/59aad77e-c8b9-4d77-85bc-3d39fe715867/
SH256 hash:
8501dc331081a8fdbb9f6a5789a8317acddd6ea7d5c0446f359df9c4922f9f72
MD5 hash:
a27e10e9ae9c9322be87216d84ac718f
SHA1 hash:
41ef20744ae39b938dd45b9e0fc15f3215fe0ce5
Link:
https://www.unpac.me/results/59aad77e-c8b9-4d77-85bc-3d39fe715867/
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/8501dc331081a8fdbb9f6a5789a8317acddd6ea7d5c0446f359df9c4922f9f72

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 8501dc331081a8fdbb9f6a5789a8317acddd6ea7d5c0446f359df9c4922f9f72

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1095253/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/127338/

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