MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241. 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


Stealc


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: 1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241
SHA3-384 hash: 40c18171e143976e7c1f3bd2855845c7efe6a3dc3c8c774cd83ea664c14c88c843d246b1af2dfb38ceaf7ef6397bc804
SHA1 hash: 1157c7d4e170ebc549e8d52733adb5aefcceffb3
MD5 hash: a3f79eb1a1d6f61a9ce524513ceaae63
humanhash: yankee-edward-tango-louisiana
File name:SecuriteInfo.com.Trojan.Siggen21.37421.15910.32261
Download: download sample
Signature Stealc
Create hunting rule
File size:291'840 bytes
First seen:2023-10-08 14:30:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 063991b36ce5c55cb08604d3f2a50255 (3 x Smoke Loader, 2 x Tofsee, 1 x StrelaStealer)
ssdeep 3072:LcSCDtSVcKBWuqcDcwMiPw3TSiI7yQ6UE81NtAuAl/a9:zCkTWJecwLKTSiI7yQ6UEGfAx
TLSH T1D0547E1363A1AC25E5668A325D2ED1A4372EFCA1CEE9779B33587F1F18710E1C632712
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70d0dec0d4d5d2dd (1 x GCleaner, 1 x Stealc)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
299
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen21.37421.15910.32261
Verdict:
Malicious activity
Analysis date:
2023-10-08 15:22:24 UTC
Tags:
loader smoke
Link:
https://app.any.run/tasks/a39a864a-9b77-4e6f-89a1-8967f8c4a2e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen21.37421.15910.32261.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware smokeloader
Link:
https://www.filescan.io/uploads/6522bd28e509ddb6cd1b6d30/reports/b61d672a-488c-436d-bce7-7c882e3f96bb/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241
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/6549759b-7a7b-415d-8354-bb826f879a34
Result
Threat name:
SmokeLoader, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321755
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Bypasses PowerShell execution policy
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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
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)
Sigma detected: Drops script at startup location
Suspicious powershell command line found
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)
Uses runas.exe to run programs with evaluated privileges
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected SmokeLoader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321755 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 08/10/2023 Architecture: WINDOWS Score: 100 113 us-console-west-1.com 2->113 115 gudintas.at 2->115 117 3 other IPs or domains 2->117 135 Multi AV Scanner detection for domain / URL 2->135 137 Found malware configuration 2->137 139 Malicious sample detected (through community Yara rule) 2->139 141 18 other signatures 2->141 13 SecuriteInfo.com.Trojan.Siggen21.37421.15910.32261.exe 2->13         started        16 sgrvgsg 2->16         started        18 AreAccessRulesProtected.exe 2->18         started        20 3 other processes 2->20 signatures3 process4 signatures5 175 Detected unpacking (changes PE section rights) 13->175 177 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->177 179 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->179 195 3 other signatures 13->195 22 explorer.exe 19 6 13->22 injected 181 Antivirus detection for dropped file 16->181 183 Multi AV Scanner detection for dropped file 16->183 185 Machine Learning detection for dropped file 16->185 187 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->187 189 Writes to foreign memory regions 18->189 191 Injects a PE file into a foreign processes 18->191 27 InstallUtil.exe 18->27         started        193 Potential dropper URLs found in powershell memory 20->193 29 conhost.exe 20->29         started        31 conhost.exe 20->31         started        process6 dnsIp7 119 gudintas.at 190.139.250.133, 49737, 49738, 49739 TelecomArgentinaSAAR Argentina 22->119 121 185.12.79.25 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 22->121 123 us-console-west-1.com 107.22.90.53, 443, 49754 AMAZON-AESUS United States 22->123 99 C:\Users\user\AppData\Roaming\sgrvgsg, PE32 22->99 dropped 101 C:\Users\user\AppData\Local\Temp\C8E1.exe, PE32 22->101 dropped 103 C:\Users\user\...\sgrvgsg:Zone.Identifier, ASCII 22->103 dropped 153 System process connects to network (likely due to code injection or exploit) 22->153 155 Benign windows process drops PE files 22->155 157 Deletes itself after installation 22->157 159 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->159 33 C8E1.exe 15 7 22->33         started        38 wscript.exe 22->38         started        161 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 27->161 file8 signatures9 process10 dnsIp11 107 i-code.pro 172.67.152.2, 443, 49756, 49760 CLOUDFLARENETUS United States 33->107 91 C:\Users\user\AppData\Roaming\~0vtmp.exe, PE32 33->91 dropped 93 C:\Users\user\AppData\Local\Temp\blue.exe, PE32 33->93 dropped 95 C:\Users\user\AppData\Roaming\...\~0vtmp.vbs, ASCII 33->95 dropped 143 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 33->143 145 Machine Learning detection for dropped file 33->145 147 Drops VBS files to the startup folder 33->147 151 2 other signatures 33->151 40 C8E1.exe 4 33->40         started        44 blue.exe 4 33->44         started        149 Windows Scripting host queries suspicious COM object (likely to drop second stage) 38->149 47 ~0vtmp.exe 38->47         started        file12 signatures13 process14 dnsIp15 125 157.254.223.19, 49759, 49761, 49762 TECHNICOLORUS United States 40->125 127 api.telegram.org 149.154.167.220, 443, 49758 TELEGRAMRU United Kingdom 40->127 105 C:\Users\user\AppData\Local\Temp\ccnxer.exe, PE32+ 40->105 dropped 49 ccnxer.exe 40->49         started        165 Antivirus detection for dropped file 44->165 167 Machine Learning detection for dropped file 44->167 169 Found many strings related to Crypto-Wallets (likely being stolen) 44->169 171 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 44->171 53 cmd.exe 44->53         started        173 Injects a PE file into a foreign processes 47->173 55 blue.exe 47->55         started        57 ~0vtmp.exe 47->57         started        file16 signatures17 process18 dnsIp19 109 ipinfo.io 34.117.59.81 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 49->109 111 127.0.0.1 unknown unknown 49->111 129 Machine Learning detection for dropped file 49->129 131 Found many strings related to Crypto-Wallets (likely being stolen) 49->131 133 Uses runas.exe to run programs with evaluated privileges 49->133 59 taskkill.exe 49->59         started        62 cmd.exe 49->62         started        64 cmd.exe 49->64         started        71 32 other processes 49->71 66 blue.exe 53->66         started        69 conhost.exe 53->69         started        signatures20 process21 file22 163 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 59->163 73 conhost.exe 59->73         started        75 net.exe 62->75         started        77 conhost.exe 62->77         started        79 conhost.exe 64->79         started        97 C:\Users\user\...\AreAccessRulesProtected.exe, PE32 66->97 dropped 81 conhost.exe 71->81         started        83 conhost.exe 71->83         started        85 conhost.exe 71->85         started        87 29 other processes 71->87 signatures23 process24 process25 89 net1.exe 75->89         started       
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-10-08 12:52:28 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzgbx6qkpgzi42fiarxy72l5rkl7sn3p7gc3skrdkpa5cqop2jaq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Link:
https://tria.ge/reports/231008-rvpzxada2w/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Unpacked files
SH256 hash:
998d2214e55d69906d35ca50879fff88e9bf0e224e8395800c7422f437ae1bf1
MD5 hash:
cd1261de6639744c3a586541d26cff78
SHA1 hash:
6d34c6fa4706035c67bf50a593790a33383c91da
Link:
https://www.unpac.me/results/f8ce3ea3-3978-41ff-b78f-09889c1f178d/
Parent samples :
2fe8dd9df4b9740d580524591e85cf9f1f40dc4db0157c7ec4ff23a424338779
ea3c57beba44f6c55a756624401781f91ff6ad81d2070e9a1ed7e777f8596902
63051a26214380ad54dde0ce6d6568050a9dda22f2f3f52616c355ee0edf4eda
f9deeaaba4135cc9417f0a39a0b2860c88f91015cdee2dc8649f59800c5ef673
73bf87821c4d157431ad75b465ce9f61486b12e8e3e86505c49a19348a3146d5
17ba75bcbbc244b204a9f2d3981df4c3161f53b47f167a1b953eba08e7a4a394
SH256 hash:
1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241
MD5 hash:
a3f79eb1a1d6f61a9ce524513ceaae63
SHA1 hash:
1157c7d4e170ebc549e8d52733adb5aefcceffb3
Link:
https://www.unpac.me/results/f8ce3ea3-3978-41ff-b78f-09889c1f178d/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e4c1bfa0a79/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/1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241

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
Author:qux
Description:Detects exe does not have 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

Stealc

Executable exe 1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2718062/
  
Delivery method
Distributed via web download

Comments