MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d239a96a2b15b78ab70b93fd103c76293eb4490593992d6b35c1ae7d7956ae15. 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
| SHA256 hash: | d239a96a2b15b78ab70b93fd103c76293eb4490593992d6b35c1ae7d7956ae15 |
|---|---|
| SHA3-384 hash: | d8ca437b53c754fabd90d4f90f5a6638330c5699d695471a023b70b4deb30634c299b2c3c8aa923e68155ad8095ddee2 |
| SHA1 hash: | 3a39005afc7f50a143621fb4013598b8d222468c |
| MD5 hash: | 29227ecfabb9f27a144a638d37b5681b |
| humanhash: | comet-october-mike-princess |
| File name: | 29227ecfabb9f27a144a638d37b5681b.exe |
| Download: | download sample |
| Signature | Stealc |
| File size: | 304'128 bytes |
| First seen: | 2023-09-21 09:55:18 UTC |
| Last seen: | 2023-09-21 11:41:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c9ac49ec96641fb6cdc3cb11e7142d72 (5 x RedLineStealer, 3 x Smoke Loader, 2 x Stealc) |
| ssdeep | 3072:rxrXglKIErc9hLtbvfGmAtVxMezb72jKTWcTXH6ixog8Xje:r1YK3r+hLVXGl3z2jKScTXH6iag8T |
| Threatray | 410 similar samples on MalwareBazaar |
| TLSH | T12F548E03B2E2BC71E5114A328E2DC6F97B3EF8619E6967AF23546E1F08B01E1D572711 |
| 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 | 70d0d5c0d2d8d2dd (1 x Stealc) |
| Reporter |  abuse_ch |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
2
# of downloads :
285
Origin country :
NLVendor Threat Intelligence
Malware family:
oski
ID:
1
File name:
29227ecfabb9f27a144a638d37b5681b.exe
Verdict:
Malicious activity
Analysis date:
2023-09-21 09:56:14 UTC
Tags:
stealc stealer loader oski
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Searching for the window
Sending an HTTP GET request to an infection source
Gathering data
Verdict:
No Threat
Threat level:
10/10
Confidence:
100%
Tags:
greyware
Verdict:
Malicious
Labled as:
Malware
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:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-09-21 09:56:05 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 400 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://91.103.252.146
Unpacked files
SH256 hash:
32f427f7888a90b82597ed359ca339642d31f3bd54e01a41c2b6de5fa3be83be
MD5 hash:
93b7d5fc189c0f69281a073009df5309
SHA1 hash:
4820f2af4dcc0ccd0c43cfa84ceaebdd69563a9d
Detections:
stealc
SH256 hash:
d239a96a2b15b78ab70b93fd103c76293eb4490593992d6b35c1ae7d7956ae15
MD5 hash:
29227ecfabb9f27a144a638d37b5681b
SHA1 hash:
3a39005afc7f50a143621fb4013598b8d222468c
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | detect_Mars_Stealer |
|---|---|
| Author: | @malgamy12 |
| Description: | detect_Mars_Stealer |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs |
|---|---|
| Author: | ditekSHen |
| Description: | Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs |
|---|---|
| Author: | ditekSHen |
| Description: | Detect binaries embedding considerable number of MFA browser extension IDs. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| 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_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: | yara_template |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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