MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b6e4ffe7aa6d987b3710729ce594007e5709a020de8ef4e4d48eaafbe7250903. 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: 10
| SHA256 hash: | b6e4ffe7aa6d987b3710729ce594007e5709a020de8ef4e4d48eaafbe7250903 |
|---|---|
| SHA3-384 hash: | 30e0102190af43c19701ffd55f39708b816bd8b4cf218318a459a4bc33b4cabbd8c1affd9e3053136eb54752f07b9b91 |
| SHA1 hash: | 24654e082d4b883efd2cdea6322bc5d8fd6b2d59 |
| MD5 hash: | 5958275a4b4972824858be1429c575bb |
| humanhash: | jupiter-single-north-seventeen |
| File name: | Tender RFQ List.scr |
| Download: | download sample |
| Signature | Smoke Loader |
| File size: | 565'248 bytes |
| First seen: | 2021-03-29 06:12:35 UTC |
| Last seen: | 2021-03-29 07:11:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fb2ae5a99be77c84c6fec75f9e8242e6 (1 x Smoke Loader) |
| ssdeep | 12288:I7uffVFmmmdGK+vAMsrGhh2cB8S1q7KkRDDu+aff7:guHVFmtGKCUGX2y8S1qdR/DIT |
| Threatray | 116 similar samples on MalwareBazaar |
| TLSH | 0BC44B53018C96A5D23036308092AE3255A7DEB46E3FE847EBB47DDFA13DF856C24A47 |
| Reporter |  abuse_ch |
| Tags: | Dofoil scr Smoke Loader |
abuse_ch
Malspam distributing unidentified malware:HELO: regular1.263xmail.com
Sending IP: 211.150.70.205
From: Sebastine <lan.wang@zeppelin-china.com>
Subject: Re: First Approved Tender List for Quotation
Attachment: Approval Tender List.img (contains "Tender RFQ List.scr")
Intelligence
File Origin
# of uploads :
2
# of downloads :
432
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Tender RFQ List.scr
Verdict:
Suspicious activity
Analysis date:
2021-03-29 06:19:31 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Sending a UDP request
Creating a file in the %temp% directory
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Launching a process
Deleting a recently created file
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Connection attempt to an infection source
Stealing user critical data
Deleting of the original file
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Unauthorized injection to a browser process
Unauthorized injection to a system process
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.
Result
Threat name:
Osiris AveMaria SmokeLoader
Detection:
malicious
Classification:
phis.bank.troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to hide user accounts
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected Osiris Trojan
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hijacks the control flow in another process
Increases the number of concurrent connection per server for Internet Explorer
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file has a writeable .text section
Sample uses process hollowing technique
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 AveMaria stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Mokes
Status:
Malicious
First seen:
2021-03-29 06:13:06 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 106 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Score:
10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
SmokeLoader
Malware Config
C2 Extraction:
http://mynah505.com.kz/mynah/
http://mynah506.com.kz/mynah/
http://mynah506.com.kz/mynah/
Unpacked files
SH256 hash:
0c68c2bd6f072532a4a8bae6b4faaf8031f665945b1b9c2c73a2381ea4b7e8c7
MD5 hash:
b05892e351651d7d58d8067938d906e0
SHA1 hash:
239481bae12db7e81e3444deb92d9c16e1839d9b
Detections:
win_smokeloader_auto
SH256 hash:
b6e4ffe7aa6d987b3710729ce594007e5709a020de8ef4e4d48eaafbe7250903
MD5 hash:
5958275a4b4972824858be1429c575bb
SHA1 hash:
24654e082d4b883efd2cdea6322bc5d8fd6b2d59
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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