MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe40f2a29e620df2de6929ba116e22c3f94174eb1ee8191d4af8ce7fa00a212. 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: efe40f2a29e620df2de6929ba116e22c3f94174eb1ee8191d4af8ce7fa00a212
SHA3-384 hash: b53e33e4594bfc5b7ece7193aebe2dfb84ecc22481a67beb064968dc990b998552684ac8ae1f746e2b56338752ed8d7e
SHA1 hash: e203b6ffd556e84890e60a188d46d53d1e837b92
MD5 hash: b97ff3cb5ed459012629f5a55c1e190b
humanhash: california-robin-rugby-harry
File name:cc1.exe
Download: download sample
Signature Smoke Loader
File size:665'088 bytes
First seen:2022-03-16 18:35:15 UTC
Last seen:2022-03-16 21:13:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9a4c5df3085e256e773572e7220af25e (1 x Smoke Loader)
ssdeep 12288:eJKBjbXe38Z18uvDAtKKn3pV3ghpPYoNmVyGBWUGhpkOMD3:eJYbO3RxtKKZq1mVyGj6
TLSH T12CE48E23E2E18437D1B31A3D8D6B52A89C2ABE113D38944A7BE51D4C0F396A179353B7
File icon (PE):PE icon
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter pr0xylife
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Statement -February 2022.xll
Verdict:
Malicious activity
Analysis date:
2022-03-16 19:52:51 UTC
Tags:
loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
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
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe greyware keylogger
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:
CryptOne SmokeLoader
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
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
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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 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 / registry access)
Writes to foreign memory regions
Yara detected CryptOne packer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 590725 Sample: cc1.exe Startdate: 16/03/2022 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 8 cc1.exe 2->8         started        11 ttufcer 2->11         started        process3 signatures4 59 Detected unpacking (changes PE section rights) 8->59 61 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->61 63 Maps a DLL or memory area into another process 8->63 13 explorer.exe 3 8->13 injected 65 Multi AV Scanner detection for dropped file 11->65 67 Checks if the current machine is a virtual machine (disk enumeration) 11->67 69 Creates a thread in another existing process (thread injection) 11->69 process5 dnsIp6 39 ejeana.co.ug 209.209.112.203, 49786, 49789, 80 ATLANTIC-NET-1US Reserved 13->39 31 C:\Users\user\AppData\Roaming\ttufcer, PE32 13->31 dropped 33 C:\Users\user\...\ttufcer:Zone.Identifier, ASCII 13->33 dropped 71 Benign windows process drops PE files 13->71 73 Injects code into the Windows Explorer (explorer.exe) 13->73 75 Deletes itself after installation 13->75 77 2 other signatures 13->77 18 explorer.exe 8 13->18         started        22 explorer.exe 13->22         started        24 explorer.exe 13->24         started        26 12 other processes 13->26 file7 signatures8 process9 dnsIp10 35 ejeana.co.ug 18->35 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Found evasive API chain (may stop execution after checking mutex) 18->51 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->53 57 3 other signatures 18->57 55 Tries to harvest and steal browser information (history, passwords, etc) 22->55 28 WerFault.exe 20 9 24->28         started        signatures11 process12 dnsIp13 37 192.168.2.1 unknown unknown 28->37
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2022-03-16 13:27:44 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor collection 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
outlook_office_path
outlook_win_path
Program crash
Accesses Microsoft Outlook profiles
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://ejeana.co.ug/index.php
https://ejeana.co.ug/index.php
Unpacked files
SH256 hash:
efe40f2a29e620df2de6929ba116e22c3f94174eb1ee8191d4af8ce7fa00a212
MD5 hash:
b97ff3cb5ed459012629f5a55c1e190b
SHA1 hash:
e203b6ffd556e84890e60a188d46d53d1e837b92
Malware family:
CryptOne
Verdict:
Malicious
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 efe40f2a29e620df2de6929ba116e22c3f94174eb1ee8191d4af8ce7fa00a212

(this sample)

  
Delivery method
Distributed via web download

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