MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131
SHA3-384 hash: 3f527fa0e3db068881301d2ee024fa1daee0e0d8a20176340ba63f5bb2282891084406a16d081914982aedff7f99c91e
SHA1 hash: d7bf171e91e6402ea34a5b26a21332d370a4ad1a
MD5 hash: 4ba67d3b9edeff8c27f96b948fe9ed9a
humanhash: lithium-carbon-berlin-california
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:4'248'288 bytes
First seen:2024-03-18 21:46:02 UTC
Last seen:2024-03-22 13:18:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 485b182ba7ddc45d0208ae5f48f5ed13 (1 x Stealc)
ssdeep 49152:VYrrh2DnEUGrbPFpWnwssICYgFUCLEeMwLFVO8lRzKuo:V9QeIWwzJS
Threatray 63 similar samples on MalwareBazaar
TLSH T1CC168C1AF7D801E5E467C734C92AC732DAB1FC1A1735D24B0512F36A1E37A918FAB225
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter Bitsight
Tags:exe signed Stealc

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-18T00:14:03Z
Valid to:2025-03-18T00:14:03Z
Serial number: daeb2d926bdbb4d1c45db777e241114e
Thumbprint Algorithm:SHA256
Thumbprint: 8304fd10e1b91c6dc9494390e05a3fad0c26023a601ed0e0f04a2b72b6baaf49
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://91.92.250.47/files/InstallSetup2.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
472
Origin country :
US US
Vendor Threat Intelligence
Malware family:
glupteba
Create hunting rule
ID:
1
File name:
c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 21:46:52 UTC
Tags:
opendir qrcode stealer stealc loader trojan glupteba xmrig
Link:
https://app.any.run/tasks/576467eb-0e27-41d1-ae34-89d935572bd9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.10582.4437.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a window
Searching for synchronization primitives
Running batch commands
Deleting a system file
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug fingerprint overlay packed
Link:
https://www.filescan.io/uploads/65f8b6201d6034c3c02c0873/reports/dfaada3b-3f53-4024-89b4-fa00d382a272/overview
Verdict:
Malicious
Labled as:
Win64/GenKryptik.GUVI trojan
Link:
https://www.hybrid-analysis.com/sample/c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131
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:
Glupteba
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92961d92-a57f-4f5d-8748-0f3bb35ae48a
Result
Threat name:
Amadey, Glupteba, Mars Stealer, Stealc,
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1411330
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops script or batch files to the startup folder
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 ftp login credentials
Tries to steal Instant Messenger accounts or passwords
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Amadey
Yara detected Amadeys stealer DLL
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1411330 Sample: file.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 180 Found malware configuration 2->180 182 Malicious sample detected (through community Yara rule) 2->182 184 Antivirus detection for URL or domain 2->184 186 18 other signatures 2->186 10 file.exe 2->10         started        13 Dctooux.exe 2->13         started        17 cmd.exe 2->17         started        19 2 other processes 2->19 process3 dnsIp4 218 Writes to foreign memory regions 10->218 220 Allocates memory in foreign processes 10->220 222 Sample uses process hollowing technique 10->222 224 Injects a PE file into a foreign processes 10->224 21 CasPol.exe 15 53 10->21         started        156 5.42.64.44 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 13->156 158 127.0.0.1 unknown unknown 13->158 130 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32+ 13->130 dropped 132 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32+ 13->132 dropped 226 Antivirus detection for dropped file 13->226 228 Multi AV Scanner detection for dropped file 13->228 230 Machine Learning detection for dropped file 13->230 26 rundll32.exe 13->26         started        28 j3rwHwrCg5CPz9VMFBvumRQ1.exe 17->28         started        30 conhost.exe 17->30         started        32 WerFault.exe 19->32         started        file5 signatures6 process7 dnsIp8 148 45.95.11.69 ULTRA-PACKETUS Italy 21->148 150 91.92.250.47 THEZONEBG Bulgaria 21->150 152 14 other IPs or domains 21->152 112 C:\Users\...\zDaqdU2EbZuxa5FxGb8BrB24.exe, PE32 21->112 dropped 114 C:\Users\...\iZj2UCrUZoxaSLFn1mkC8oLz.exe, PE32 21->114 dropped 116 C:\Users\...\iA46t4iB1c1P9EMJgIFajfg6.exe, PE32 21->116 dropped 118 43 other malicious files 21->118 dropped 212 Drops script or batch files to the startup folder 21->212 214 Creates HTML files with .exe extension (expired dropper behavior) 21->214 34 Vvd3jvlAc6wRfGuSXcwKhPMP.exe 2 21->34         started        39 XFDomtvFPFQFA8A58mx7tTcL.exe 35 21->39         started        41 PgiEyUAYiyMM5SZYrpoJla3Q.exe 1 3 21->41         started        47 12 other processes 21->47 43 rundll32.exe 26->43         started        216 Multi AV Scanner detection for dropped file 28->216 45 Conhost.exe 32->45         started        file9 signatures10 process11 dnsIp12 140 104.16.225.240 CLOUDFLARENETUS United States 34->140 94 C:\Users\user\AppData\Local\...\wfplwfs.exe, PE32 34->94 dropped 188 Multi AV Scanner detection for dropped file 34->188 190 Found evasive API chain (may stop execution after checking mutex) 34->190 49 wfplwfs.exe 34->49         started        52 cmd.exe 34->52         started        96 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 39->96 dropped 98 C:\Users\user\AppData\Local\...\INetC.dll, PE32 39->98 dropped 100 C:\Users\user\AppData\...\BroomSetup.exe, PE32 39->100 dropped 54 syncUpd.exe 39->54         started        57 BroomSetup.exe 39->57         started        142 185.172.128.126 NADYMSS-ASRU Russian Federation 41->142 144 185.172.128.187 NADYMSS-ASRU Russian Federation 41->144 146 185.172.128.90 NADYMSS-ASRU Russian Federation 41->146 102 C:\Users\user\AppData\Local\Temp\u5js.1.exe, PE32 41->102 dropped 104 C:\Users\user\AppData\Local\Temp\u5js.0.exe, PE32 41->104 dropped 192 Detected unpacking (changes PE section rights) 41->192 194 Detected unpacking (overwrites its own PE header) 41->194 59 u5js.0.exe 41->59         started        66 2 other processes 41->66 196 System process connects to network (likely due to code injection or exploit) 43->196 198 Tries to steal Instant Messenger accounts or passwords 43->198 200 Tries to harvest and steal ftp login credentials 43->200 202 Tries to harvest and steal browser information (history, passwords, etc) 43->202 106 Opera_installer_2403182146593947284.dll, PE32 47->106 dropped 108 C:\Users\user\AppData\Local\...\Install.exe, PE32 47->108 dropped 110 5 other malicious files 47->110 dropped 204 Found Tor onion address 47->204 206 Contains functionality to inject code into remote processes 47->206 208 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 47->208 210 2 other signatures 47->210 61 Install.exe 47->61         started        64 Install.exe 47->64         started        68 4 other processes 47->68 file13 signatures14 process15 dnsIp16 160 Multi AV Scanner detection for dropped file 49->160 162 Detected unpacking (overwrites its own PE header) 49->162 164 Found evasive API chain (may stop execution after checking mutex) 49->164 178 3 other signatures 49->178 70 rundll32.exe 49->70         started        166 Uses ping.exe to sleep 52->166 168 Uses ping.exe to check the status of other devices and networks 52->168 72 conhost.exe 52->72         started        74 PING.EXE 52->74         started        154 185.172.128.145 NADYMSS-ASRU Russian Federation 54->154 170 Detected unpacking (changes PE section rights) 54->170 172 Found evasive API chain (may stop execution after checking locale) 54->172 174 Searches for specific processes (likely to inject) 54->174 76 cmd.exe 57->76         started        120 C:\Users\user\AppData\Local\...\Install.exe, PE32 61->120 dropped 176 Machine Learning detection for dropped file 61->176 78 Install.exe 61->78         started        122 C:\Users\user\AppData\Local\...\Install.exe, PE32 64->122 dropped 82 cmd.exe 66->82         started        124 Opera_installer_2403182147118605912.dll, PE32 68->124 dropped 126 Opera_installer_2403182147053587912.dll, PE32 68->126 dropped 128 Opera_installer_2403182147018807640.dll, PE32 68->128 dropped 84 MsDkej48TTQfgehFISBKzXDn.exe 68->84         started        86 conhost.exe 68->86         started        file17 signatures18 process19 file20 88 conhost.exe 76->88         started        134 C:\Users\user\AppData\Local\...\eTyJwnX.exe, PE32 78->134 dropped 136 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 78->136 dropped 232 Modifies Group Policy settings 78->232 90 Conhost.exe 78->90         started        92 conhost.exe 82->92         started        138 Opera_installer_2403182147144624940.dll, PE32 84->138 dropped signatures21 process22
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-03-18 05:39:29 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvg6zddmbcghwezgoiknxspmwly6pkryqps3ysv6qcwmza6teeyq._file
Verdict:
malicious
Similar samples:
0c482a3a2510cf8f323c5c4d9097850be9e77f09cf163b1de2c2220cfad3beb8
Stealc
3fefd283343b7f7c7f4b41c4b1cd4d396db892a5866361722d22b28a632a95bb
Stealc
5982ee2f9702075b4dbc970ed9d8e142830ea74e35554c9e46ebacf2d42702c9
Stealc
b42c2d040474f0dcce74562fda0cca005e2be2e9ede6a70cd49f1a2878d8eb99
Stealc
ea0ac7277d0fdf801972b56bdc57184fc51ac8be47438873396436736f3694a9
Stealc
eab4a2382263fbfedbddaed6cd19627ba3d5d9f5db8060a2a1adc2b1c4ca7125
Stealc
+ 53 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:stealc dropper evasion loader persistence stealer upx
Link:
https://tria.ge/reports/240318-1mnasaag58/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Program crash
Launches sc.exe
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Executes dropped EXE
Loads dropped DLL
UPX packed file
Creates new service(s)
Downloads MZ/PE file
Modifies Windows Firewall
Stops running service(s)
Glupteba
Glupteba payload
Stealc
Malware Config
C2 Extraction:
http://185.172.128.145
Unpacked files
SH256 hash:
c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131
MD5 hash:
4ba67d3b9edeff8c27f96b948fe9ed9a
SHA1 hash:
d7bf171e91e6402ea34a5b26a21332d370a4ad1a
Link:
https://www.unpac.me/results/1872451a-0efb-41af-b428-fbd76871f5c9/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c54dec8c6c08/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/c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Stealc

Executable exe c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2781349/
  
URLhaus
https://urlhaus.abuse.ch/url/2786447/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::RevertToSelf
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::ImpersonateLoggedOnUser
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptEncrypt
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptImportKey
bcrypt.dll::BCryptOpenAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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