MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 48b5a4f81d9cdcc637aeb99f3485a2dbd67f2f64744326b06e2d8d55a70be47d. 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: | 48b5a4f81d9cdcc637aeb99f3485a2dbd67f2f64744326b06e2d8d55a70be47d |
|---|---|
| SHA3-384 hash: | 9b6db92a6744516177ae6ed7f0c05740de86d999afc49a3933ec54f1321b658c70b532e89d07baee5a45eb34e5168457 |
| SHA1 hash: | aa59de656010788f9f352db2df2cfc36bb5a27ab |
| MD5 hash: | cc20dc899325837a403216df76421aa4 |
| humanhash: | edward-lemon-fifteen-pennsylvania |
| File name: | file |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 2'411'896 bytes |
| First seen: | 2023-10-28 01:24:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6363e7869d61d6844f58b203fcd5f696 (1 x MarsStealer) |
| ssdeep | 12288:DOt4J0+QCSgQ38ugKWwMDg5Kc9jpKmqS0iHsFCq16k2ziyLH9Dmq9:DW4JXQeSFW5Dtc9QziNmT0dKq9 |
| Threatray | 894 similar samples on MalwareBazaar |
| TLSH | T1F2B56C91918E093FC165173C9B272E3674E5EB0926ACBC457F908CE8CEAB570291CFD6 |
| TrID | 38.9% (.SCR) Windows screen saver (13097/50/3) 29.7% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2) 13.3% (.EXE) Win32 Executable (generic) (4505/5/1) 6.0% (.EXE) OS/2 Executable (generic) (2029/13) 5.9% (.EXE) Generic Win/DOS Executable (2002/3) |
| File icon (PE): |  |
| dhash icon | 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner) |
| Reporter |  jstrosch |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
393
Origin country :
USVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Query of malicious DNS domain
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control keylogger lolbin overlay packed replace
Verdict:
Malicious
Labled as:
Tedy.Generic
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:
CryptOne, Stealc
Detection:
malicious
Classification:
troj.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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected CryptOne packer
Yara detected Stealc
Behaviour
Behavior Graph:
Score:
96%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2023-10-28 01:25:08 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
16 of 38 (42.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 884 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc discovery stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Checks installed software on the system
Stealc
Malware Config
C2 Extraction:
http://tetromask.site
Unpacked files
SH256 hash:
4514dc2fd487de020a07d20fa24c442c5c230e6e4bf668c50022878d75536979
MD5 hash:
6ab4eb0ab579fed49cebd98ba32feb3e
SHA1 hash:
04fab28654315ee6dd5789058fb8cad0ba5d140b
Detections:
stealc
SH256 hash:
48b5a4f81d9cdcc637aeb99f3485a2dbd67f2f64744326b06e2d8d55a70be47d
MD5 hash:
cc20dc899325837a403216df76421aa4
SHA1 hash:
aa59de656010788f9f352db2df2cfc36bb5a27ab
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | BobSoftMiniDelphiBoBBobSoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Borland |
|---|---|
| Author: | malware-lu |
| 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: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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.
Web download
Delivery method
Distributed via web download
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