MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e6932fbfebe00b2c44d7e74bb8409b55ad7abe92507c56887ded333684fcd92. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e6932fbfebe00b2c44d7e74bb8409b55ad7abe92507c56887ded333684fcd92
SHA3-384 hash: 9cf8d957f4687097939d989b27919b00dbdf30b40bda4adb68a004a4f3f23fc1aeb7f5f61e923cf5ad0e72e9be90a7fa
SHA1 hash: 057d3de9f48d6ad6d391377535eb1a98b94ca31c
MD5 hash: 4af84eeace78f951a5f053c8c6c03e96
humanhash: aspen-ack-equal-september
File name:5e6932fbfebe00b2c44d7e74bb8409b55ad7abe92507c56887ded333684fcd92
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:3'581'768 bytes
First seen:2021-06-08 17:23:22 UTC
Last seen:2021-06-08 17:34:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6885012d565b0b9c4fbd4da3e04d69a1 (4 x Smoke Loader)
ssdeep 49152:68C2N2EOitdXHhSSLAsHz77R42Afl0Upj1TJOe9FBwrZ:W2UEZrd42Al0Upjzs
Threatray 2'086 similar samples on MalwareBazaar
TLSH 13F56C13B288613FC46B0676087F96A4983FB7616A168C1757F09A4C8F371852E3EF5B
Reporter JAMESWT_WT
Tags:exe Merkuri LLC signed Smoke Loader

Code Signing Certificate

Organisation:Merkuri LLC
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2021-04-28T00:00:00Z
Valid to:2022-04-28T23:59:59Z
Serial number: b8f726508cf1d7b7913bf4bbd1e5c19c
Intelligence: 4 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 2f4525e2503ea8beb30d027f7e811518323a6fc35797d27378b3a79bf7884028
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/165436/
Detection(s):
PUA.Win.Adware.Dealply-6888374-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Sending a UDP request
Unauthorized injection to a recently created process
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
Launching a process
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Deleting of the original file
Enabling autorun by creating a file
Unauthorized injection to a browser process
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.
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/799073
Signature
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
DLL reload attack detected
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hijacks the control flow in another process
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file has nameless sections
Renames NTDLL to bypass HIPS
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 431469 Sample: 3xN0uFV9It Startdate: 08/06/2021 Architecture: WINDOWS Score: 100 50 melerangrov.org 2->50 58 Found malware configuration 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected SmokeLoader 2->62 64 3 other signatures 2->64 9 3xN0uFV9It.exe 2->9         started        12 afgcuhd 2->12         started        signatures3 process4 signatures5 74 DLL reload attack detected 9->74 76 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 9->76 78 Hijacks the control flow in another process 9->78 14 3xN0uFV9It.exe 1 9->14         started        80 Multi AV Scanner detection for dropped file 12->80 82 Injects a PE file into a foreign processes 12->82 17 afgcuhd 1 12->17         started        process6 file7 92 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 14->92 94 Renames NTDLL to bypass HIPS 14->94 96 Maps a DLL or memory area into another process 14->96 20 explorer.exe 3 14->20 injected 36 C:\Users\user\AppData\Local\Temp\9A26.tmp, PE32 17->36 dropped 98 Checks if the current machine is a virtual machine (disk enumeration) 17->98 100 Creates a thread in another existing process (thread injection) 17->100 signatures8 process9 dnsIp10 52 melerangrov.org 141.136.0.128, 49736, 49740, 49751 NANO-ASLV Latvia 20->52 38 C:\Users\user\AppData\Roaming\afgcuhd, PE32 20->38 dropped 40 C:\Users\user\...\afgcuhd:Zone.Identifier, ASCII 20->40 dropped 66 Benign windows process drops PE files 20->66 68 Injects code into the Windows Explorer (explorer.exe) 20->68 70 Deletes itself after installation 20->70 72 2 other signatures 20->72 25 explorer.exe 8 20->25         started        29 explorer.exe 66 20->29         started        32 explorer.exe 20->32         started        34 10 other processes 20->34 file11 signatures12 process13 dnsIp14 54 melerangrov.org 25->54 84 System process connects to network (likely due to code injection or exploit) 25->84 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->86 88 Tries to steal Mail credentials (via file access) 25->88 90 3 other signatures 25->90 56 melerangrov.org 29->56 42 C:\Users\user\AppData\...\WalletProxy.dll, PE32 29->42 dropped 44 C:\Users\...\WalletBackgroundServiceProxy.dll, PE32 29->44 dropped 46 C:\Users\user\...\WalletService.dll.mui, PE32 29->46 dropped 48 7 other files (none is malicious) 29->48 dropped file15 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5e6932fbfebe00b2c44d7e74bb8409b55ad7abe92507c56887ded333684fcd92/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-06-07 16:33:45 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
14 of 47 (29.79%)
Threat level:
  5/5
Verdict:
suspicious
Similar samples:
173240b443fdb5cc7ed97cf6eedeb0d823924df3dab6d468c9da2898443f3ac6
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69fac4fe77b6da550498724f01e6db66d5c18a19c185d824bf62afdaccb0a7d6
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7ee86891ee7faf4875a68fb6f49762c21df4a4b152022ac3018e640c180cf601
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7f588ecbff9405b87fa5b809b52d0b667f19a09e47bafc2cf1f5f9d5f19f16c1
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8f71fca5621ccb7ba3558cfebc17014d27923d1c73ad97ececb577fd5b937047
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8fa3eaa46c7d8d1f44a2eeca895f802f2aa7a2251bab347ccb765c72d63ccb58
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b2dadf77d0f5917ce225ee0b177e4d5deb626a81ce33815f176d915ea21ba159
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d4d9d9eccf8badd954deec00ea5e57e31806371003245453fcbb5755c922c658
Smoke Loader
+ 2'076 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/210608-5gy57y5w3e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
9dbf8446c934067c11e5ca0aee71c55466960b4776f5c02bcb6141adebbba0a2
MD5 hash:
87467cab2dbabe504a1e33a9d3421f59
SHA1 hash:
26e39be6a55b36db71c663cae9cfa413a62dd790
Link:
https://www.unpac.me/results/57260092-191f-415d-8e58-8ab5d1e0de0e/
SH256 hash:
5e6932fbfebe00b2c44d7e74bb8409b55ad7abe92507c56887ded333684fcd92
MD5 hash:
4af84eeace78f951a5f053c8c6c03e96
SHA1 hash:
057d3de9f48d6ad6d391377535eb1a98b94ca31c
Link:
https://www.unpac.me/results/57260092-191f-415d-8e58-8ab5d1e0de0e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/5e6932fbfebe00b2c44d7e74bb8409b55ad7abe92507c56887ded333684fcd92

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:Sectigo_Code_Signed
Create hunting rule
Description:Detects code signed by the Sectigo RSA Code Signing CA
Reference:https://bazaar.abuse.ch/export/csv/cscb/

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/165436/

Comments