MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd07fbd90708238ba176eaaf819a33b48a2566caa305882027f474cf09ff2c2. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fd07fbd90708238ba176eaaf819a33b48a2566caa305882027f474cf09ff2c2
SHA3-384 hash: 50dacaaeb9db6a11ad4d0b14b44a19d82c7e466b3f18e06f20379fa09237fbf91eb83548554c7c6d9ab24799f7f16dd4
SHA1 hash: ab0d5eabcc8bc1952d0491b8d022ccc32840b681
MD5 hash: 83d94098295f82968e19072dafe8d106
humanhash: april-bacon-mockingbird-cold
File name:SecuriteInfo.com.Variant.Zusy.440687.30962.27445
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:1'769'700 bytes
First seen:2022-10-29 09:21:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cda23ed6a96ffe8c9ba5d7bae4aa8499 (3 x Smoke Loader, 1 x RedLineStealer)
ssdeep 24576:hXoN7ymYazB5YazB5YazB5YazB5YazB5YazBN:GYGvYGvYGvYGvYGvYGr
Threatray 8'379 similar samples on MalwareBazaar
TLSH T17485E01D5A91C83ED75291BD0EA2D7B4B19DBEA40F2613C35BE03E08C5B5BC72BB0994
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Zusy.440687.30962.27445
Verdict:
No threats detected
Analysis date:
2022-10-29 09:25:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/18cdb444-7d48-433a-a0c7-ad8bf8d79c71

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/325796/
Detection(s):
SecuriteInfo.com.Variant.Zusy.440687.30962.27445.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
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 synchronization primitives
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/46560/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug greyware overlay
Link:
https://www.filescan.io/uploads/635cf0c9791bb7e48afdca93/reports/894a66ba-edf6-41da-8c11-b54ff0062506/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:
LOLSnif
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af3472c9-8fd9-4f09-b22f-a2a6f8357834
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1100832
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 behave differently if execute on a Russian/Kazak computer
Contains functionality to compare user and computer (likely to detect sandboxes)
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)
Found evasive API chain (may stop execution after checking mutex)
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)
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 dropped file
Multi AV Scanner detection for submitted file
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 / registry access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733493 Sample: SecuriteInfo.com.Variant.Zu... Startdate: 29/10/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 3 other signatures 2->44 8 SecuriteInfo.com.Variant.Zusy.440687.30962.27445.exe 2->8         started        11 edsvwcr 2->11         started        process3 signatures4 62 Detected unpacking (changes PE section rights) 8->62 64 Contains functionality to inject code into remote processes 8->64 66 Contains functionality to behave differently if execute on a Russian/Kazak computer 8->66 68 Injects a PE file into a foreign processes 8->68 13 SecuriteInfo.com.Variant.Zusy.440687.30962.27445.exe 8->13         started        70 Antivirus detection for dropped file 11->70 72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 16 edsvwcr 11->16         started        process5 signatures6 76 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->76 78 Maps a DLL or memory area into another process 13->78 80 Checks if the current machine is a virtual machine (disk enumeration) 13->80 18 explorer.exe 3 13->18 injected 82 Creates a thread in another existing process (thread injection) 16->82 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\edsvwcr, PE32 18->32 dropped 34 C:\Users\user\...\edsvwcr: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 Found evasive API chain (may stop execution after checking mutex) 23->54 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->56 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 3 other signatures 23->60
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fd07fbd90708238ba176eaaf819a33b48a2566caa305882027f474cf09ff2c2/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 08:37:05 UTC
File Type:
PE (Exe)
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7ih7pmqocbdroqxn2vpqgndhnekevtmviyfraqcp5duz4e76lba._file
Verdict:
malicious
Similar samples:
049ae382c00f3cbd42e9108966c445234ed5bccce0913dae44c313295879a6c2
Smoke Loader
128fa9c5e91c61f07f41747506930f91dc37de7fca0948f1f1d00e03233d673f
Smoke Loader
30f5564e58d11d68bb6f8f01c745a9e60f2dd5362534c7c959868d9d554e86e5
Smoke Loader
49b4a3b2fdea57778414fcdf51246747a2e200c1b6fce76057107c557c5868b2
Smoke Loader
572ceb288c34f070937cada71821e3f7aae5b3158cba6f1c0f82cb72a0ef0e72
Smoke Loader
847c05d750ff179697ef49c99da6ea372aabb2691732da6a6b49cafa592758b0
Smoke Loader
c2cbf197704781d927032c16a38c7eeb71f5283a4dcc2a8fdd614852fb14054f
Smoke Loader
+ 8'369 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/221029-lbxmrabdaj/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
c5e2464c8c1604565bfe23c0bd134bead3143d80bf5b33a3df2e825945d54fe9
MD5 hash:
4228b19a7f0bfaa0bd44df30f2fec414
SHA1 hash:
9d0dc83f9d6cd0ec743dccedbfcf63af7d8e5118
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/f723727d-21e5-4e11-bc18-80ae13363c9d/
Parent samples :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 hash:
02704a4cc17676e262441a27aa23cb4ea150cb553ad88ae8006984b6e135838f
MD5 hash:
897ff579b4c27bef92f9814d7ac83cc1
SHA1 hash:
0dd1ae7af29e6fc4fa917ae779a2a0fbd6afb88d
Link:
https://www.unpac.me/results/f723727d-21e5-4e11-bc18-80ae13363c9d/
SH256 hash:
4fd07fbd90708238ba176eaaf819a33b48a2566caa305882027f474cf09ff2c2
MD5 hash:
83d94098295f82968e19072dafe8d106
SHA1 hash:
ab0d5eabcc8bc1952d0491b8d022ccc32840b681
Link:
https://www.unpac.me/results/f723727d-21e5-4e11-bc18-80ae13363c9d/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fd07fbd9070/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/4fd07fbd90708238ba176eaaf819a33b48a2566caa305882027f474cf09ff2c2

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
Create hunting rule
Author:@wowabiy314
Description:PDB

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/325796/

Comments