MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6
SHA3-384 hash: 2316557d9f30811a56e788903673f35963b86b7356bcec0f66163cdb47ff42dbd3ae8042ea5bf2b27da250c8f7fac810
SHA1 hash: aac9ba5c1a98faa2f03a20cc39b6afdb72f3a2d4
MD5 hash: e3255b216748070e4bc397405fdf6fad
humanhash: bravo-jersey-hamper-shade
File name:e3255b216748070e4bc397405fdf6fad
Download: download sample
Signature Stealc
Create hunting rule
File size:4'242'432 bytes
First seen:2024-03-18 23:04:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 27e7881a950beeee69cf3c3d28dcfb8f (1 x Stealc)
ssdeep 49152:/FL8Xf6qIED5X0MJEJsaoSo5dqqlg+egF0ty6H4NhGKjmuU5JN:69n4ojqV00Z
Threatray 65 similar samples on MalwareBazaar
TLSH T19F168C11EBD405E4E56BCA30C92E8732E6B1FC5A4731838B0558F35B2E73AD64F6B621
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 zbetcheckin
Tags:64 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
387
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
glupteba
Create hunting rule
ID:
1
File name:
da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 23:05:53 UTC
Tags:
evasion stealer stealc trojan glupteba
Link:
https://app.any.run/tasks/4cbfd22e-4a2d-4575-b1be-2bb72ca8c9c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.25979.6653.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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 %temp% directory
Creating a file in the %AppData% subdirectories
Creating a window
Searching for synchronization primitives
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug fingerprint
Link:
https://www.filescan.io/uploads/65f8c89f869de776ad043522/reports/37f9d020-d7bc-4b10-b3c7-535881c4ca61/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6
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/b7d7d0d4-e15a-4dc4-bf2b-ac764a0cf5cb
Result
Threat name:
Glupteba, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1411341
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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)
Multi AV Scanner detection for dropped 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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
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: 1411341 Sample: 4Pl8B4ehEG.exe Startdate: 19/03/2024 Architecture: WINDOWS Score: 100 106 Found malware configuration 2->106 108 Malicious sample detected (through community Yara rule) 2->108 110 Antivirus detection for URL or domain 2->110 112 12 other signatures 2->112 10 4Pl8B4ehEG.exe 2->10         started        process3 signatures4 122 Writes to foreign memory regions 10->122 124 Allocates memory in foreign processes 10->124 126 Sample uses process hollowing technique 10->126 128 Injects a PE file into a foreign processes 10->128 13 RegAsm.exe 15 177 10->13         started        process5 dnsIp6 98 45.95.11.69 ULTRA-PACKETUS Italy 13->98 100 107.167.110.216 OPERASOFTWAREUS United States 13->100 102 19 other IPs or domains 13->102 70 C:\Users\...\w07jSUcQpPEcU7wdAX02FE7W.exe, PE32 13->70 dropped 72 C:\Users\...\vvn01GHbP8MtrAJkCwpcHg5L.exe, PE32 13->72 dropped 74 C:\Users\...\upwvQpg8OeJGu6LR7IkYaKQn.exe, PE32 13->74 dropped 76 147 other malicious files 13->76 dropped 130 Drops script or batch files to the startup folder 13->130 132 Creates HTML files with .exe extension (expired dropper behavior) 13->132 18 LpP6PnMkrh8NCjcjwafJA66X.exe 3 13->18         started        23 FG686wRtt4Y6yljqElPH1Zg3.exe 1 35 13->23         started        25 kMSYS72NGVmkf3lTZVvTWDJa.exe 13->25         started        27 24 other processes 13->27 file7 signatures8 process9 dnsIp10 88 185.172.128.187 NADYMSS-ASRU Russian Federation 18->88 90 185.172.128.90 NADYMSS-ASRU Russian Federation 18->90 52 C:\Users\user\AppData\Local\Temp\u5ok.1.exe, PE32 18->52 dropped 54 C:\Users\user\AppData\Local\Temp\u5ok.0.exe, PE32 18->54 dropped 114 Detected unpacking (changes PE section rights) 18->114 116 Detected unpacking (overwrites its own PE header) 18->116 29 u5ok.0.exe 18->29         started        34 u5ok.1.exe 18->34         started        66 3 other malicious files 23->66 dropped 36 syncUpd.exe 12 23->36         started        38 BroomSetup.exe 23->38         started        56 C:\Users\user\AppData\Local\Temp\u5v8.1.exe, PE32 25->56 dropped 58 C:\Users\user\AppData\Local\Temp\u5v8.0.exe, PE32 25->58 dropped 40 u5v8.0.exe 25->40         started        42 u5v8.1.exe 25->42         started        92 107.167.110.218 OPERASOFTWAREUS United States 27->92 94 107.167.125.189 OPERASOFTWAREUS United States 27->94 96 4 other IPs or domains 27->96 60 C:\Users\user\AppData\Local\...\wfplwfs.exe, PE32 27->60 dropped 62 C:\Users\user\AppData\Local\Temp\u648.1.exe, PE32 27->62 dropped 64 C:\Users\user\AppData\Local\Temp\u648.0.exe, PE32 27->64 dropped 68 12 other malicious files 27->68 dropped 118 Found Tor onion address 27->118 120 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 27->120 44 Zv8e109ZwGQNiXwghzPjPpz3.exe 27->44         started        file11 signatures12 process13 dnsIp14 104 185.172.128.145 NADYMSS-ASRU Russian Federation 29->104 78 C:\Users\user\AppData\...\KFBGCAKFHC.exe, PE32 29->78 dropped 80 C:\Users\user\AppData\...\softokn3[1].dll, PE32 29->80 dropped 82 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 29->82 dropped 86 11 other files (7 malicious) 29->86 dropped 134 Multi AV Scanner detection for dropped file 29->134 136 Detected unpacking (changes PE section rights) 29->136 138 Detected unpacking (overwrites its own PE header) 29->138 144 5 other signatures 29->144 140 Found evasive API chain (may stop execution after checking locale) 36->140 142 Searches for specific processes (likely to inject) 36->142 46 cmd.exe 38->46         started        84 Opera_installer_2403182306113057576.dll, PE32 44->84 dropped file15 signatures16 process17 process18 48 conhost.exe 46->48         started        50 chcp.com 46->50         started       
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3iephd5gjfsd6qipcsary7r45qumpkxvxgfla25osqtjlyk2gdda._file
Verdict:
unknown
Similar samples:
0c482a3a2510cf8f323c5c4d9097850be9e77f09cf163b1de2c2220cfad3beb8
Stealc
3fefd283343b7f7c7f4b41c4b1cd4d396db892a5866361722d22b28a632a95bb
Stealc
5982ee2f9702075b4dbc970ed9d8e142830ea74e35554c9e46ebacf2d42702c9
Stealc
b42c2d040474f0dcce74562fda0cca005e2be2e9ede6a70cd49f1a2878d8eb99
Stealc
c54dec8c6c088c7b13267214dbc9ecb2f1e7aa3883e5bc4abe80accc83d32131
Stealc
eab4a2382263fbfedbddaed6cd19627ba3d5d9f5db8060a2a1adc2b1c4ca7125
Stealc
+ 55 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:stealc discovery dropper evasion loader persistence rootkit spyware stealer upx
Link:
https://tria.ge/reports/240318-22tlsaca3z/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
NSIS installer
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Drops Chrome extension
Drops desktop.ini file(s)
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMonFS driver.
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Blocklisted process makes network request
Downloads MZ/PE file
Modifies Windows Firewall
Glupteba
Glupteba payload
Stealc
Malware Config
C2 Extraction:
http://185.172.128.145
Unpacked files
SH256 hash:
da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6
MD5 hash:
e3255b216748070e4bc397405fdf6fad
SHA1 hash:
aac9ba5c1a98faa2f03a20cc39b6afdb72f3a2d4
Link:
https://www.unpac.me/results/d1274229-c04a-422f-a83c-90fb6860258a/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da08f38fa649/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/da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6

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: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: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 da08f38fa649643f410f14811c7e3cec28c7aaf5b98ab06bae942695e15a30c6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2786478/

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_AUTHENTICODEMissing Authenticodehigh
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::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
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

Comments


Avatar
zbet commented on 2024-03-18 23:04:20 UTC

url : hxxp://91.92.250.47/files/File300un.exe