MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9d399e8333943a129b66f9572a3d2ebd0e46725d22171e347c05677ce388cc92. 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
MarsStealer
Vendor detections: 14
| SHA256 hash: | 9d399e8333943a129b66f9572a3d2ebd0e46725d22171e347c05677ce388cc92 |
|---|---|
| SHA3-384 hash: | 32b4ef0c292fcee8f97561f963414ddcf0c59464fcc0ac1d85a97b228a69b130cdb69f49d6088d703b6a6d7669d47d45 |
| SHA1 hash: | 296238d3dd4bc61085a086d381baf2a78ffcf836 |
| MD5 hash: | a5746f94fff62624c4ea18ec2d0b7259 |
| humanhash: | early-sweet-leopard-grey |
| File name: | file |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 259'072 bytes |
| First seen: | 2023-11-05 15:02:27 UTC |
| Last seen: | 2023-11-05 17:29:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 549a88ebda296a8e5acb26b4ab380d7c (1 x MarsStealer, 1 x Tofsee) |
| ssdeep | 6144:p+OQULr8OgEt9ZvsPGyHZjuk3/qiK9ge:IUH7gEHlsPMk3Cis |
| Threatray | 234 similar samples on MalwareBazaar |
| TLSH | T16E445B0392F13C61E92E4B728E2FD6E87B1DF5608F597B6922589A2F07B0172D363315 |
| 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 | 060600091a383000 (1 x MarsStealer) |
| Reporter |  andretavare5 |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
9
# of downloads :
350
Origin country :
USVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
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:
Stealc
Verdict:
Malicious
Result
Threat name:
Stealc
Detection:
malicious
Classification:
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
Yara detected Stealc
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-11-05 15:03:04 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 224 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
Checks installed software on the system
Reads user/profile data of web browsers
Stealc
Malware Config
C2 Extraction:
http://robertjohnson.top
Unpacked files
SH256 hash:
bb9f86e51b9f942e3e196517f059b6ed77f27007228acb0a8aa640eab1f2c69f
MD5 hash:
6df8781df38c7c498b2bed7e51f944a4
SHA1 hash:
334472f223c6caddc2a5ae402a948061ef429bef
Parent samples :
f7e1a90ee2e6c56f816c3798e793af98da9f976dfca46c167fb01b7b897b8760
0e6a19b3bc5992a4b87006701bc2ef7aced896a8791a5386700f983db6d5039d
3b12caa2b17e1378c05477e1f2e3481b3a9cb638024eb5705bf5298f79fd70d6
bb9f86e51b9f942e3e196517f059b6ed77f27007228acb0a8aa640eab1f2c69f
2bee29bac294615a9d1b613ba775972cda26781938e3ae3aa60ad9737f1fbde8
e21e02d5e76167ff0fb6b1a534f48249558aab9e9950845ce4b0c77e79864f25
0e6a19b3bc5992a4b87006701bc2ef7aced896a8791a5386700f983db6d5039d
3b12caa2b17e1378c05477e1f2e3481b3a9cb638024eb5705bf5298f79fd70d6
bb9f86e51b9f942e3e196517f059b6ed77f27007228acb0a8aa640eab1f2c69f
2bee29bac294615a9d1b613ba775972cda26781938e3ae3aa60ad9737f1fbde8
e21e02d5e76167ff0fb6b1a534f48249558aab9e9950845ce4b0c77e79864f25
SH256 hash:
9d399e8333943a129b66f9572a3d2ebd0e46725d22171e347c05677ce388cc92
MD5 hash:
a5746f94fff62624c4ea18ec2d0b7259
SHA1 hash:
296238d3dd4bc61085a086d381baf2a78ffcf836
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: | Trojan_W32_Gh0stMiancha_1_0_0 |
|---|
| 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: | 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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