MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1b98ff3d14eb43fe194e8125eb8697285b73e85fb9464fbb738f704f3210b763. 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
| SHA256 hash: | 1b98ff3d14eb43fe194e8125eb8697285b73e85fb9464fbb738f704f3210b763 |
|---|---|
| SHA3-384 hash: | a9d1c914b5f77bacdf18f9d12eae2ecc249786a9ee3576ebde8415abe4d326aee79f735921abdb9a6d0e1ee8fcd695fe |
| SHA1 hash: | 78bd67daf23d2798481f0c357a5b80f324a18ca5 |
| MD5 hash: | bf9b313b433b4360e6be1180f9ac03b7 |
| humanhash: | alaska-carolina-mountain-double |
| File name: | file |
| Download: | download sample |
| Signature | Stealc |
| File size: | 176'128 bytes |
| First seen: | 2024-02-01 15:02:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fb785a281db53ea02bf0d250e3cfac23 (1 x Stealc) |
| ssdeep | 3072:ImYLbnFUgErUUUSPxRfLAtXVXaFf8yXU4YZWkkSSa582x6TNm5:IxLDy7UUU+xUoc4WW2l |
| Threatray | 631 similar samples on MalwareBazaar |
| TLSH | T1D904CF407BF1D036E6B38A745930C2B42E3BBC669A74818B3249BB6F3E322D1DD55356 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 0803050550508000 (1 x Stealc) |
| Reporter |  Bitsight |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
1
# of downloads :
338
Origin country :
USVendor Threat Intelligence
Detection:
n/a
Detection(s):
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
fingerprint packed
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:
Stealc
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
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
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Overwrites Mozilla Firefox settings
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-02-01 15:03:05 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 621 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.24
Unpacked files
SH256 hash:
f942c2c1a543dd6f30cebae08ee27c28497d0611733b93cf488bf9f297c9f600
MD5 hash:
98c47ee9e8939fb792a35c554fea3fbb
SHA1 hash:
77a941c158a0270eaef2aaa7a847e61a0de5fe7c
Detections:
stealc
win_stealc_auto
win_stealc_a0
SH256 hash:
1b98ff3d14eb43fe194e8125eb8697285b73e85fb9464fbb738f704f3210b763
MD5 hash:
bf9b313b433b4360e6be1180f9ac03b7
SHA1 hash:
78bd67daf23d2798481f0c357a5b80f324a18ca5
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | detect_Mars_Stealer |
|---|---|
| Author: | @malgamy12 |
| Description: | detect_Mars_Stealer |
| Rule name: | infostealer_win_stealc_standalone |
|---|---|
| Description: | Find standalone Stealc sample based on decryption routine or characteristic strings |
| Reference: | https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/ |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | Windows_Trojan_Smokeloader_3687686f |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_stealc_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.stealc. |
| Rule name: | win_stealc_bytecodes_oct_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Bytecodes present in Stealc decoding routine |
| Rule name: | win_stealc_w0 |
|---|---|
| Author: | crep1x |
| Description: | Find standalone Stealc sample based on decryption routine or characteristic strings |
| Reference: | https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/ |
| Rule name: | yarahub_win_stealc_bytecodes_oct_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Dropped by
PrivateLoader
Delivery method
Distributed via drive-by
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