MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a820caf880ba4cb81e50891feb62ff304e0322a31141b11f3813fc477e2044e6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a820caf880ba4cb81e50891feb62ff304e0322a31141b11f3813fc477e2044e6
SHA3-384 hash: 500bbf50b46e5af66b94b04c3ee6d6e0128bc0f3d886d0ade6c9452fdab683adb668bf9895006c9e68d5237a2a2b21cc
SHA1 hash: a7d74b5d14faee2a6bcdf87c759a260c24de29bc
MD5 hash: 4202ca2ff3ba0aa8383cafb402ec76ae
humanhash: lactose-north-delta-juliet
File name:4202ca2ff3ba0aa8383cafb402ec76ae.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:279'040 bytes
First seen:2022-03-28 08:12:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 159dcaa804632f606b007a362cfb6cc5 (3 x Stop, 2 x Smoke Loader, 1 x RedLineStealer)
ssdeep 3072:eMSdhjJY95YVj2d3tR8ggDEcUqU7Qffm6vfxWNn6Q2l:xaPdhgogcjSyfhWN6L
Threatray 7'248 similar samples on MalwareBazaar
TLSH T1E054BE123687C433ED2312746852CBB59ABBB83029655A8B3BD4166D8F352E3DF79306
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 :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/258501/
Detection(s):
Win.Packed.Strab-9942213-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11760/overview
Behaviour
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit
Link:
https://www.filescan.io/uploads/62416e111f2042394840886a/reports/b823e5c8-d2ed-4c74-bbba-312217a21678/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d007ed6-120b-4ce6-9a58-103453bed46d
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965633
Signature
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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found malware configuration
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
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
Sigma detected: Execution of Suspicious File Type Extension
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598113 Sample: Kzoc4ZZfDL.exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 5 other signatures 2->36 7 Kzoc4ZZfDL.exe 2->7         started        10 asjwsei 2->10         started        process3 signatures4 46 Contains functionality to inject code into remote processes 7->46 48 Injects a PE file into a foreign processes 7->48 12 Kzoc4ZZfDL.exe 7->12         started        50 Multi AV Scanner detection for dropped file 10->50 52 Machine Learning detection for dropped file 10->52 15 asjwsei 10->15         started        process5 signatures6 54 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Checks if the current machine is a virtual machine (disk enumeration) 12->58 17 explorer.exe 2 12->17 injected 60 Creates a thread in another existing process (thread injection) 15->60 process7 dnsIp8 26 file-coin-host-12.com 194.87.92.116, 49785, 80 MTW-ASRU Russian Federation 17->26 28 host-data-coin-11.com 17->28 22 C:\Users\user\AppData\Roaming\asjwsei, PE32 17->22 dropped 24 C:\Users\user\...\asjwsei:Zone.Identifier, ASCII 17->24 dropped 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Benign windows process drops PE files 17->40 42 Deletes itself after installation 17->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->44 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a820caf880ba4cb81e50891feb62ff304e0322a31141b11f3813fc477e2044e6/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2022-03-28 06:37:50 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
02bcb080116ab55475edbcd1293246a0e5d8894793ee9e699db805bff2935408
Smoke Loader
29a5461cca77683d6a47c83eb774235bd0ae092adc58c987e571eeecb3e1cd03
Smoke Loader
4f9f2d3789809c1f34877a5cd109aabeccea14c1cfe423ea271cc7cd0178b23a
Smoke Loader
8bbdda1786e15a568a573a2f38762e95de138af969e0a13b96d7086aaa98bfc2
Smoke Loader
8cedc3fb74185394bbf60d2dc1f9618b1e576986f13031b9e29ef12daa6eaf2c
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eb24b3b9375f0b3272fac6eecc9329f79eab274d802b2ad37037cc83a46fa3f1
Smoke Loader
+ 7'238 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/220328-j4earshbb8/
Behaviour
Checks SCSI registry key(s)
Modifies registry class
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
Suspicious use of SetThreadContext
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
Unpacked files
SH256 hash:
721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589
MD5 hash:
b984a027c8a2abf874f3eb306a831613
SHA1 hash:
d3b3f8890adc840b0bd411cf304eef15d415ed48
Link:
https://www.unpac.me/results/f9ca8ca6-d242-4219-a625-364e33eab462/
Parent samples :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 hash:
a820caf880ba4cb81e50891feb62ff304e0322a31141b11f3813fc477e2044e6
MD5 hash:
4202ca2ff3ba0aa8383cafb402ec76ae
SHA1 hash:
a7d74b5d14faee2a6bcdf87c759a260c24de29bc
Link:
https://www.unpac.me/results/f9ca8ca6-d242-4219-a625-364e33eab462/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a820caf880ba/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/a820caf880ba4cb81e50891feb62ff304e0322a31141b11f3813fc477e2044e6

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 a820caf880ba4cb81e50891feb62ff304e0322a31141b11f3813fc477e2044e6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2111893/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/258501/

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