MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75cae17b22903862794ede44519c288427fd59e94aa72ffd0e88adcc74c5db56. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 75cae17b22903862794ede44519c288427fd59e94aa72ffd0e88adcc74c5db56
SHA3-384 hash: 9e3e6503c2db5e5808135c74097a51864adf7560a750e43252249a265e08e564973a2d95719bf100be0b19119a9dee35
SHA1 hash: fdc633d3a80baf2d57d46ad7d89c6b94f2f87f05
MD5 hash: d3a76d4f09a6ad90466b7062aaf627a6
humanhash: sodium-social-golf-tennessee
File name:SecuriteInfo.com.Variant.Ser.Zusy.3557.2183.18440
Download: download sample
Signature Smoke Loader
File size:2'340'280 bytes
First seen:2022-10-25 13:27:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6bc000ab62302db8cd5a1f1db9d5badd (1 x ArkeiStealer, 1 x Smoke Loader)
ssdeep 12288:fOFiyeZBOPQQkwFA22222222222222222222T/6dkwFA2222222222222222222U:iilZBaBz+/6dz+/6dz+/6dz+/6Y
Threatray 11'887 similar samples on MalwareBazaar
TLSH T1E3B5E7D4AA254041E4816A3EDD21F1B44B787C26EF38E1EF44E4FE13737E6EA81B9452
TrID 54.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
18.3% (.EXE) Win64 Executable (generic) (10523/12/4)
8.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.8% (.EXE) Win32 Executable (generic) (4505/5/1)
3.5% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Ser.Zusy.3557.2183.18440
Verdict:
No threats detected
Analysis date:
2022-10-25 13:30:24 UTC
Tags:
n/a

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

Behaviour
Сreating 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
Searching for the window
Unauthorized injection to a recently created process
Searching for synchronization primitives
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
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:
SmokeLoader
Detection:
malicious
Classification:
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 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
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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 SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 730276 Sample: SecuriteInfo.com.Variant.Se... Startdate: 25/10/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected SmokeLoader 2->42 44 2 other signatures 2->44 8 SecuriteInfo.com.Variant.Ser.Zusy.3557.2183.18440.exe 2->8         started        11 sjjvcaj 2->11         started        process3 signatures4 60 Detected unpacking (changes PE section rights) 8->60 62 Contains functionality to inject code into remote processes 8->62 64 Injects a PE file into a foreign processes 8->64 13 SecuriteInfo.com.Variant.Ser.Zusy.3557.2183.18440.exe 8->13         started        16 sjjvcaj 11->16         started        process5 signatures6 66 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->66 68 Maps a DLL or memory area into another process 13->68 70 Checks if the current machine is a virtual machine (disk enumeration) 13->70 18 explorer.exe 3 13->18 injected 72 Creates a thread in another existing process (thread injection) 16->72 process7 dnsIp8 36 ubochinkeasaa.co.ug 92.255.78.40, 443, 49695, 49696 CONTINENTAL_GROUP-ASRU Russian Federation 18->36 32 C:\Users\user\AppData\Roaming\sjjvcaj, PE32 18->32 dropped 34 C:\Users\user\...\sjjvcaj:Zone.Identifier, ASCII 18->34 dropped 46 System process connects to network (likely due to code injection or exploit) 18->46 48 Benign windows process drops PE files 18->48 50 Injects code into the Windows Explorer (explorer.exe) 18->50 52 3 other signatures 18->52 23 explorer.exe 6 18->23         started        26 explorer.exe 18->26         started        28 explorer.exe 18->28         started        30 12 other processes 18->30 file9 signatures10 process11 signatures12 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->54 56 Tries to steal Mail credentials (via file / registry access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 23->58
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-25 15:09:02 UTC
File Type:
PE (Exe)
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
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 WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Executes dropped EXE
Detects Smokeloader packer
SmokeLoader
Gathering data
Unpacked files
SH256 hash:
24f07a8fb83c5e32163dbb96b925738570f1f4919a184afb9f2241eb688074c5
MD5 hash:
62d6b9e27cf24f3707a4f192022be7ee
SHA1 hash:
b8ca37f5f5314050a4751292a1ce3607faaa0029
SH256 hash:
75cae17b22903862794ede44519c288427fd59e94aa72ffd0e88adcc74c5db56
MD5 hash:
d3a76d4f09a6ad90466b7062aaf627a6
SHA1 hash:
fdc633d3a80baf2d57d46ad7d89c6b94f2f87f05
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments