MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 998d503aa5e68830d7f981490108d44dc12f331bd5ad9ea9f207a99e6d06afbb. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 998d503aa5e68830d7f981490108d44dc12f331bd5ad9ea9f207a99e6d06afbb
SHA3-384 hash: 19fa529f333adb627eaab01dc02d8619d9f721990f6aad5e3d52a69ba2e5d0d44b8a27a1e04206641c6d8916f48199ed
SHA1 hash: 8642ff9423255714c753e8126f3eefc5f92f01b9
MD5 hash: 6e69a6b673cbe7b72ff6e3684adc74eb
humanhash: maryland-lamp-michigan-rugby
File name:6e69a6b673cbe7b72ff6e3684adc74eb.exe
Download: download sample
Signature Smoke Loader
File size:236'032 bytes
First seen:2022-03-27 17:09:40 UTC
Last seen:2022-03-27 17:45:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a945bbba5e19a9f29aa1458bdc91ed8a (6 x Smoke Loader, 6 x SystemBC, 5 x Worm.Ramnit)
ssdeep 3072:e//RakHeb+Jfk774EI2UdMStWld84F5bO3Fb8Ag:U5ax+KP4EI2UdMKWldTjO3Fb8
Threatray 15'802 similar samples on MalwareBazaar
TLSH T14334D03236D1C072C8975531B864CAB15FAE9432B3A2588B379D277E6F303D157BA34A
File icon (PE):PE icon
dhash icon 5c59da3ce0c1c850 (36 x Stop, 33 x Smoke Loader, 26 x RedLineStealer)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
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
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm greyware
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:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
RedLine SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Machine Learning detection for dropped file
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
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 detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 597808 Sample: 4ftrWKVpjc.exe Startdate: 27/03/2022 Architecture: WINDOWS Score: 100 31 api.ip.sb 2->31 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 8 4ftrWKVpjc.exe 2->8         started        11 ihujsas 2->11         started        signatures3 process4 signatures5 57 Detected unpacking (changes PE section rights) 8->57 59 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->59 61 Maps a DLL or memory area into another process 8->61 13 explorer.exe 6 8->13 injected 63 Multi AV Scanner detection for dropped file 11->63 65 Checks if the current machine is a virtual machine (disk enumeration) 11->65 67 Creates a thread in another existing process (thread injection) 11->67 process6 dnsIp7 33 coralee.at 187.115.177.197, 49780, 49782, 49783 TELEFONICABRASILSABR Brazil 13->33 35 file-coin-coin-10.com 141.8.198.194, 49795, 80 SPRINTHOSTRU Russian Federation 13->35 37 6 other IPs or domains 13->37 23 C:\Users\user\AppData\Roaming\ihujsas, PE32 13->23 dropped 25 C:\Users\user\AppData\Local\Temp\C1F3.exe, PE32 13->25 dropped 27 C:\Users\user\AppData\Local\Temp\AB1E.exe, PE32 13->27 dropped 29 C:\Users\user\...\ihujsas:Zone.Identifier, ASCII 13->29 dropped 69 System process connects to network (likely due to code injection or exploit) 13->69 71 Benign windows process drops PE files 13->71 73 Deletes itself after installation 13->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->75 18 AB1E.exe 2 13->18         started        21 C1F3.exe 2 13->21         started        file8 signatures9 process10 signatures11 39 Detected unpacking (changes PE section rights) 18->39 41 Tries to detect sandboxes and other dynamic analysis tools (window names) 18->41 43 Machine Learning detection for dropped file 18->43 47 2 other signatures 18->47 45 Detected unpacking (overwrites its own PE header) 21->45
Threat name:
Win32.Trojan.Raccrypt
Status:
Malicious
First seen:
2022-03-27 12:47:18 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Deletes itself
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://coralee.at/upload/
http://ducvietcao.com/upload/
http://biz-acc.ru/upload/
http://toimap.com/upload/
http://bbb7d.com/upload/
http://piratia-life.ru/upload/
http://curvreport.com/upload/
http://viagratos.com/upload/
http://mordo.ru/upload/
http://pkodev.net/upload/
Unpacked files
SH256 hash:
998d503aa5e68830d7f981490108d44dc12f331bd5ad9ea9f207a99e6d06afbb
MD5 hash:
6e69a6b673cbe7b72ff6e3684adc74eb
SHA1 hash:
8642ff9423255714c753e8126f3eefc5f92f01b9
Please note that we are no longer able to provide a coverage score for Virus Total.

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 998d503aa5e68830d7f981490108d44dc12f331bd5ad9ea9f207a99e6d06afbb

(this sample)

  
Delivery method
Distributed via web download

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