MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278
SHA3-384 hash: ef7a0f6219ddfd99cc2c7b89cd0c0b722cb480868f6fe0eb9bd12dec42481bcf48307091ce583ad2dc087d9065b4645b
SHA1 hash: 1afef2fcbc87fd9a589bc5536b01a8e3337b6290
MD5 hash: ac59f3308d9d0a3507a0ebb085fc0b85
humanhash: sad-snake-magnesium-sixteen
File name:ac59f3308d9d0a3507a0ebb085fc0b85.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:462'336 bytes
First seen:2024-11-09 08:53:48 UTC
Last seen:2024-11-09 10:28:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c7690dbfdf52ca8b9cbf9361a028b61 (2 x Stealc)
ssdeep 6144:zMfWj3+Wb12WxEmlFt0jbeh/9zfUByG9VwNMiIJI1nQugn:zRjIQHt0/eh/Zf43C5G
Threatray 377 similar samples on MalwareBazaar
TLSH T1D2A49E6392F13D14FEB64A328E3EC6E43E1FF9735FE5665A11185A1F08B02A1E563702
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10522/11/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 8c86820a0e0e4e1a (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
375
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ac59f3308d9d0a3507a0ebb085fc0b85.exe
Verdict:
Malicious activity
Analysis date:
2024-11-09 09:18:22 UTC
Tags:
qrcode loader stealer stealc
Link:
https://app.any.run/tasks/7194cb9f-1096-40e2-846d-77193e337c6b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.15732.24062.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672f23526c614f3030a3b7fe
Tags:
cobalt extens trojan packed
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/672f2331ce6c55443a7cf4da/reports/5ae8ecb5-cbad-42bd-9a79-833bc387d302/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae31811c-8381-4a9a-a9fd-2975776527bd
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1552694
Signature
AI detected suspicious sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dnzvaarvwt77vsc2jkemkmv52fe7i6ahw4lfxodravkplidwwj4a._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
stealc
Create hunting rule
Similar samples:
040a58a233ddf5f6bf49e3b5bd4a4fe5d8ae1d764e698b446ca08776863aafc4
Stealc
2cef6d9917bbccdc5ffffbf7b687da70e673f3a5dc6923c715e4fc50e0115e17
Stealc
30b614408336deed002dcb9dbf0785e48ff68c25b1f5b5d741eac82b868ec32c
Stealc
36adccf26258fc28030c7b0ce17e5c8525cc1127a8505558f1dfc8dd9a52efdf
Stealc
4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee
Stealc
6b23abaea95768da8ce9fc5be1df50971eba79d76a53b7ad8cf62386be4ae8aa
Stealc
76198db64bf16862b47203d12c9b9e3db2474b148cc79030a693a8dc281c1ccb
Stealc
8e39055538a72e61a512ed724904718edbddb544559d0b70bf5182440ca7723b
Stealc
error
Stealc
f6a3509d62ecfb46306ab67cd75d4addb466cdd9a76782889110ce50acd5f369
Stealc
+ 367 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:default9_cap discovery stealer
Link:
https://tria.ge/reports/241109-ktwmqstrgj/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Stealc
Stealc family
Malware Config
C2 Extraction:
http://62.204.41.177
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8a267d19-096e-4234-bf6f-aff9ad531e95
Unpacked files
SH256 hash:
2f841285068467a1b17875763849bd7d0fd88f732351cd2ce9f000239fbdc34c
MD5 hash:
8855493f8be066bd5b5aa6804925b674
SHA1 hash:
948ff7c8832b5d27c6dd9268004aa46f4f21b69e
Link:
https://www.unpac.me/results/10063bb7-61af-47a3-9527-4d339788cddc/
SH256 hash:
1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278
MD5 hash:
ac59f3308d9d0a3507a0ebb085fc0b85
SHA1 hash:
1afef2fcbc87fd9a589bc5536b01a8e3337b6290
Link:
https://www.unpac.me/results/10063bb7-61af-47a3-9527-4d339788cddc/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b73500235b4/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/1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278

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

File information

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

Web download

Stealc

Executable exe 1b73500235b4fffac85a4a88c532bdd149f47807b7165bb8710554f5a076b278

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3224762/
  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetConsoleCursorPosition
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA

Comments