MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abfde88021abe4b85e7e1fec20b8a28e81fdac7512591c2dbdb590b54297f350. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: abfde88021abe4b85e7e1fec20b8a28e81fdac7512591c2dbdb590b54297f350
SHA3-384 hash: f1ba36ca39fbe400afa5efac137833e85a888ae93e7167a7508bdf1dd717e9116eecd1f07f83db8e3f3f470c338bb785
SHA1 hash: 035e7ead7f18b41e0718c8e61f795b9230b2fd3c
MD5 hash: 3b4a86e195cf96b1d60b303eba6def01
humanhash: uranus-island-three-hawaii
File name:file
Download: download sample
Signature MarsStealer
File size:210'472 bytes
First seen:2024-09-11 20:50:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:SlqRsQs1BtPB8EwwtpQScF+rvWlcQVnLUd+EO:OqRstPPBShFWv+LUgEO
TLSH T1892412440A903F0CFFE9DD3491FAE352BE59DA9234C644AF3058C5A2EC75A4932D71EA
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://147.45.44.104/prog/66e1db883af59_def.exe#kisotr

Intelligence


File Origin
# of uploads :
1
# of downloads :
387
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-11 21:00:56 UTC
Tags:
stealer stealc loader raccoonclipper

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Encryption Static
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Clipboard Hijacker, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Clipboard Hijacker
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1509670 Sample: file.exe Startdate: 11/09/2024 Architecture: WINDOWS Score: 100 56 evokeedgellc.com 2->56 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 11 other signatures 2->64 11 file.exe 2 2->11         started        15 oobeldr.exe 2->15         started        signatures3 process4 file5 48 C:\Users\user\AppData\Local\...\file.exe.log, CSV 11->48 dropped 74 Contains functionality to inject code into remote processes 11->74 76 Writes to foreign memory regions 11->76 78 Allocates memory in foreign processes 11->78 80 Injects a PE file into a foreign processes 11->80 17 RegAsm.exe 36 11->17         started        22 conhost.exe 11->22         started        82 Antivirus detection for dropped file 15->82 84 Multi AV Scanner detection for dropped file 15->84 86 Detected unpacking (changes PE section rights) 15->86 88 Switches to a custom stack to bypass stack traces 15->88 24 schtasks.exe 1 15->24         started        signatures6 process7 dnsIp8 52 evokeedgellc.com 198.54.120.231, 443, 49734 NAMECHEAP-NETUS United States 17->52 54 45.152.113.10, 49733, 49735, 80 CODECCLOUD-AS-APCodecCloudHKLimitedHK Russian Federation 17->54 40 C:\Users\user\AppData\...\softokn3[1].dll, PE32 17->40 dropped 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 17->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 17->44 dropped 46 11 other files (7 malicious) 17->46 dropped 66 Tries to steal Mail credentials (via file / registry access) 17->66 68 Found many strings related to Crypto-Wallets (likely being stolen) 17->68 70 Tries to harvest and steal ftp login credentials 17->70 72 5 other signatures 17->72 26 cmd.exe 1 17->26         started        28 conhost.exe 24->28         started        file9 signatures10 process11 process12 30 JKJDAEBFCB.exe 1 26->30         started        34 conhost.exe 26->34         started        file13 50 C:\Users\user\AppData\Roaming\...\oobeldr.exe, MS-DOS 30->50 dropped 90 Antivirus detection for dropped file 30->90 92 Multi AV Scanner detection for dropped file 30->92 94 Detected unpacking (changes PE section rights) 30->94 96 2 other signatures 30->96 36 schtasks.exe 1 30->36         started        signatures14 process15 process16 38 conhost.exe 36->38         started       
Threat name:
ByteCode-MSIL.Spyware.Stealc
Status:
Malicious
First seen:
2024-09-11 20:51:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Stealc
Malware Config
C2 Extraction:
http://45.152.113.10
Unpacked files
SH256 hash:
abfde88021abe4b85e7e1fec20b8a28e81fdac7512591c2dbdb590b54297f350
MD5 hash:
3b4a86e195cf96b1d60b303eba6def01
SHA1 hash:
035e7ead7f18b41e0718c8e61f795b9230b2fd3c
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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

MarsStealer

Executable exe abfde88021abe4b85e7e1fec20b8a28e81fdac7512591c2dbdb590b54297f350

(this sample)

  
Dropped by
Privateloader
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments