MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
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SHA256 hash: e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b
SHA3-384 hash: 655c4057d1c1cf91df2523f354a407145d72142cffd137a1dd6c97eaaccfef9705aac2c9e395af12ea071ac89aede6b3
SHA1 hash: 1d4a385d15790db297346a6f59edabc1ef7ec03a
MD5 hash: 5e8d529fb175af546c62ba3cc7c16fda
humanhash: minnesota-grey-massachusetts-fanta
File name:toolspub2.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:266'240 bytes
First seen:2024-01-19 05:22:29 UTC
Last seen:2024-01-19 07:28:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f8e2cfb7a56570f82711379d2e1b928 (2 x Stealc, 2 x GCleaner, 2 x UACModuleSmokeLoader)
ssdeep 6144:+khTBEQ0SPodokEFJDS+9aqMv8KEQRE2:RhTBEQpod+7+17Ew
TLSH T1CF446C2032F48136E2B7697C49B093A04A7F7C52F671F58F3AD9167A1E35AD1972032B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter adm1n_usa32
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
319
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b.exe
Verdict:
Malicious activity
Analysis date:
2024-01-19 05:24:29 UTC
Tags:
loader smoke smokeloader
Link:
https://app.any.run/tasks/7969df88-d816-42e9-b574-b37f04d3c677

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/471607/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Steam.37072.3389.6001.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed smokeloader
Link:
https://www.filescan.io/uploads/65aa0738d1ae2d05b96c489d/reports/a8da6f6d-c0ef-4503-9624-9c10b4dc9f4f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fc3f37aa-f7d7-4570-b908-178b7decf097
Result
Threat name:
LummaC, Babuk, Djvu, LummaC Stealer, Red
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1377212
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
Connects to many ports of the same IP (likely port scanning)
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)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
LummaC encrypted strings found
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
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
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 steal Crypto Currency Wallets
Writes a notice file (html or txt) to demand a ransom
Writes to foreign memory regions
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Yara detected LummaC Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1377212 Sample: toolspub2.exe Startdate: 19/01/2024 Architecture: WINDOWS Score: 100 82 www-env.dropbox-dns.com 2->82 84 trad-einmyus.com 2->84 86 8 other IPs or domains 2->86 106 Snort IDS alert for network traffic 2->106 108 Multi AV Scanner detection for domain / URL 2->108 110 Found malware configuration 2->110 112 13 other signatures 2->112 11 toolspub2.exe 2->11         started        14 190D.exe 2->14         started        16 avgarwr 2->16         started        signatures3 process4 signatures5 136 Detected unpacking (changes PE section rights) 11->136 138 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->138 140 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->140 18 explorer.exe 42 14 11->18 injected 23 RegAsm.exe 11->23         started        25 RegAsm.exe 11->25         started        142 Multi AV Scanner detection for dropped file 14->142 144 Detected unpacking (overwrites its own PE header) 14->144 146 Machine Learning detection for dropped file 14->146 154 2 other signatures 14->154 27 190D.exe 19 14->27         started        148 Maps a DLL or memory area into another process 16->148 150 Checks if the current machine is a virtual machine (disk enumeration) 16->150 152 Creates a thread in another existing process (thread injection) 16->152 process6 dnsIp7 88 brusuax.com 190.224.203.37, 49712, 80 TelecomArgentinaSAAR Argentina 18->88 90 45.15.156.13, 443, 49729, 49730 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 18->90 96 5 other IPs or domains 18->96 60 C:\Users\user\AppData\Roaming\avgarwr, PE32 18->60 dropped 62 C:\Users\user\AppData\Local\Temp\F4A7.exe, PE32+ 18->62 dropped 64 C:\Users\user\AppData\Local\Temp\D5F7.exe, PE32 18->64 dropped 72 4 other malicious files 18->72 dropped 114 System process connects to network (likely due to code injection or exploit) 18->114 116 Benign windows process drops PE files 18->116 118 Deletes itself after installation 18->118 120 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->120 29 F4A7.exe 18->29         started        33 190D.exe 18->33         started        35 5220.exe 18->35         started        38 4 other processes 18->38 92 5.161.112.212, 29606, 49732 HETZNER-ASDE Germany 23->92 122 Found many strings related to Crypto-Wallets (likely being stolen) 23->122 94 habrafa.com 196.188.169.138, 49717, 80 EthioNet-ASET Ethiopia 27->94 66 C:\Users\user\_readme.txt, ASCII 27->66 dropped 68 C:\Users\user\Desktop\...\ZIPXYXWIOY.png, data 27->68 dropped 70 C:\Users\user\DesktopbehaviorgraphIGIYTFFYT.pdf, data 27->70 dropped 74 2 other malicious files 27->74 dropped 124 Modifies existing user documents (likely ransomware behavior) 27->124 file8 signatures9 process10 dnsIp11 78 C:\Users\user\ljeFSbzYstdSTVz.pdf, PE32 29->78 dropped 80 C:\Users\user\YeSsNHTWDdMgvPD.pdf, PE32 29->80 dropped 156 Drops PE files to the user root directory 29->156 158 Writes to foreign memory regions 29->158 160 Allocates memory in foreign processes 29->160 40 jsc.exe 29->40         started        162 Multi AV Scanner detection for dropped file 33->162 164 Detected unpacking (changes PE section rights) 33->164 166 Detected unpacking (overwrites its own PE header) 33->166 178 3 other signatures 33->178 44 190D.exe 1 16 33->44         started        98 fleetconsciousnessjuiw.site 172.67.143.121, 443, 49719, 49720 CLOUDFLARENETUS United States 35->98 168 Antivirus detection for dropped file 35->168 170 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 35->170 172 Query firmware table information (likely to detect VMs) 35->172 180 4 other signatures 35->180 174 Machine Learning detection for dropped file 38->174 176 Injects a PE file into a foreign processes 38->176 47 RegAsm.exe 38->47         started        49 190D.exe 38->49         started        51 190D.exe 38->51         started        file12 signatures13 process14 dnsIp15 100 185.172.128.33, 38294, 49737 NADYMSS-ASRU Russian Federation 40->100 128 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 40->128 130 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 40->130 132 Tries to harvest and steal browser information (history, passwords, etc) 40->132 102 api.2ip.ua 104.21.65.24, 443, 49713, 49714 CLOUDFLARENETUS United States 44->102 76 C:\Users\user\AppData\Local\...\190D.exe, PE32 44->76 dropped 53 190D.exe 44->53         started        56 icacls.exe 44->56         started        104 168.119.242.255, 23280, 49731 HETZNER-ASDE Germany 47->104 134 Tries to steal Crypto Currency Wallets 47->134 file16 signatures17 process18 signatures19 126 Injects a PE file into a foreign processes 53->126 58 190D.exe 13 53->58         started        process20
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-01-18 15:16:48 UTC
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4gusrw2foarsn6f3jxjhsaxvausebujk2xnria2axml34qidff5q._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:redline family:smokeloader family:vidar family:zgrat botnet:@omega_cloud_admin botnet:siski1 botnet:up3 backdoor discovery infostealer persistence ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/240119-f25hdsfedp/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect Vidar Stealer
Detect ZGRat V1
Detected Djvu ransomware
Djvu Ransomware
RedLine
RedLine payload
SmokeLoader
Vidar
ZGRat
Malware Config
C2 Extraction:
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
http://habrafa.com/test1/get.php
5.161.112.212:29606
168.119.242.255:23280
Unpacked files
SH256 hash:
9d89a3fb322ca87e9ffd11b86b5f8ff7782ef17d8c4c25aa681d4a43144264f2
MD5 hash:
3115a5525c3ae11f354b2d31de48b8ff
SHA1 hash:
aa7b6c66b7c720caf3f2845b10588b698a7d7ff6
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/596b87d5-24ae-4378-ab56-77e5e92a7da8/
Parent samples :
aa339bd1440cf0f7a5faae531ab035233cf357baa7295af69239a9f2bb572996
48684fe74ef34bd1c9542aea357d418b96df47273d809e6ebdc38e538bc66d42
e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b
SH256 hash:
e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b
MD5 hash:
5e8d529fb175af546c62ba3cc7c16fda
SHA1 hash:
1d4a385d15790db297346a6f59edabc1ef7ec03a
Link:
https://www.unpac.me/results/596b87d5-24ae-4378-ab56-77e5e92a7da8/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1a928db4570/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/e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 e1a928db45702326f8bb4dd27902f5052440d12ad5db140340bb17be4103297b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2735142/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/471607/

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