MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 591b41e29c98cb907e1eb16a62414c243994cd0cb26a0166466652b793f6721b. 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: 14
| SHA256 hash: | 591b41e29c98cb907e1eb16a62414c243994cd0cb26a0166466652b793f6721b |
|---|---|
| SHA3-384 hash: | 924b2bab02e6b7c55acbf73c8bacf5d5a5dfa1255f860d8ca35ffbc43550bb4623517d38b6e377d00450969e07dde11e |
| SHA1 hash: | d290d991627776d9386ccaa810b020ed7468b904 |
| MD5 hash: | d2efab15a90a628049f214e2a56d663a |
| humanhash: | sad-virginia-stairway-sixteen |
| File name: | file |
| Download: | download sample |
| Signature | Stealc |
| File size: | 1'789'952 bytes |
| First seen: | 2024-11-11 19:46:11 UTC |
| Last seen: | 2024-11-11 20:11:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer) |
| ssdeep | 24576:24eCTqJhdbqstCBzIotlzb1CkJdHIZAyQ6e2gxFP5I6rSSCDA5XOcFfTmsOkvxBN:2dsMh6BzIGlzb1LHIZXCvSoGMZ2SO |
| TLSH | T1478533CAB0BDF494D98075358677466FAB226CE0558126438DEBF1F5EF3B52132802F9 |
| TrID | 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
4
# of downloads :
466
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-11 19:47:37 UTC
Tags:
stealer stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
vmdetect spam
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
Result
Threat name:
Stealc
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
PE file contains section with special chars
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Stealc
Status:
Suspicious
First seen:
2024-11-11 19:56:53 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
discovery evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6cb1ae7727811954dc0c2f76231a881acb36e53319812e9643476a38e9f2517f
MD5 hash:
ba3e6614da55fead7511c99553ca4945
SHA1 hash:
072a1a275b9b03e58380dfcf17c3f7d7298ca3ab
Detections:
win_stealc_w0
win_stealc_a0
SH256 hash:
591b41e29c98cb907e1eb16a62414c243994cd0cb26a0166466652b793f6721b
MD5 hash:
d2efab15a90a628049f214e2a56d663a
SHA1 hash:
d290d991627776d9386ccaa810b020ed7468b904
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
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