MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaaeb2a1139927065c2a27e7f200820745928177937758eb71c3fc0764a94337. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments 1

SHA256 hash: aaaeb2a1139927065c2a27e7f200820745928177937758eb71c3fc0764a94337
SHA3-384 hash: c74bd01d5c8ff6a102336a83c0a2403e030f48d4c91b3de648a3c2916014ade9ea00ea9f368d102ce4b43f97b9ceabd3
SHA1 hash: cf2db1140263fee267f6e22479b80ce11d406e2c
MD5 hash: 89eb5ec9d21a58c86167b8508b57b52a
humanhash: romeo-september-lamp-virginia
File name:89eb5ec9d21a58c86167b8508b57b52a
Download: download sample
Signature Stealc
File size:335'872 bytes
First seen:2024-03-12 06:11:30 UTC
Last seen:2024-03-12 07:22:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1bb1293e85bd1bd33a1b6174e328565d (2 x Stealc)
ssdeep 6144:no8a50R7m1VxQ2/EexEiyRRseqU3Q2jqpnN80ZrmM3UbI:o8a50Jm1XQIxEiMRrqU3Q2CVlmM3kI
Threatray 3 similar samples on MalwareBazaar
TLSH T17664015032E0907EE0A7463045B1ABA6896FBC427B7814BF3A7B332F5F712D44A7031A
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 3370ccdaccf0339a (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
361
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aaaeb2a1139927065c2a27e7f200820745928177937758eb71c3fc0764a94337.exe
Verdict:
Malicious activity
Analysis date:
2024-03-12 06:14:03 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a file
Reading critical registry keys
Launching a process
Changing a file
Connection attempt to an infection source
Stealing user critical data
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
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.
Result
Threat name:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic
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 ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1407222 Sample: z61WJSguBk.exe Startdate: 12/03/2024 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic 2->85 87 Multi AV Scanner detection for domain / URL 2->87 89 Found malware configuration 2->89 91 12 other signatures 2->91 10 z61WJSguBk.exe 1 3 2->10         started        15 IJDHDGDAAA.exe 2->15         started        17 IJDHDGDAAA.exe 2->17         started        process3 dnsIp4 77 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 10->77 79 185.172.128.126, 49732, 80 NADYMSS-ASRU Russian Federation 10->79 81 185.172.128.187, 49730, 49731, 49746 NADYMSS-ASRU Russian Federation 10->81 71 C:\Users\user\AppData\Local\Temp\u4z4.1.exe, PE32 10->71 dropped 73 C:\Users\user\AppData\Local\Temp\u4z4.0.exe, PE32 10->73 dropped 113 Detected unpacking (changes PE section rights) 10->113 115 Detected unpacking (overwrites its own PE header) 10->115 19 u4z4.0.exe 58 10->19         started        24 u4z4.1.exe 2 5 10->24         started        26 WerFault.exe 21 16 10->26         started        117 Creates autostart registry keys with suspicious names 15->117 28 cmd.exe 15->28         started        30 cmd.exe 17->30         started        file5 signatures6 process7 dnsIp8 75 185.172.128.145, 49733, 80 NADYMSS-ASRU Russian Federation 19->75 63 C:\Users\user\AppData\...\IJDHDGDAAA.exe, PE32 19->63 dropped 65 C:\Users\user\AppData\...\softokn3[1].dll, PE32 19->65 dropped 67 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 19->67 dropped 69 11 other files (7 malicious) 19->69 dropped 99 Antivirus detection for dropped file 19->99 101 Detected unpacking (changes PE section rights) 19->101 103 Detected unpacking (overwrites its own PE header) 19->103 109 9 other signatures 19->109 32 cmd.exe 1 19->32         started        105 Multi AV Scanner detection for dropped file 24->105 34 cmd.exe 1 24->34         started        37 conhost.exe 28->37         started        39 PING.EXE 28->39         started        107 Uses ping.exe to sleep 30->107 41 conhost.exe 30->41         started        43 PING.EXE 30->43         started        file9 signatures10 process11 signatures12 45 IJDHDGDAAA.exe 1 4 32->45         started        47 conhost.exe 32->47         started        93 Uses ping.exe to sleep 34->93 95 Uses schtasks.exe or at.exe to add and modify task schedules 34->95 97 Uses ping.exe to check the status of other devices and networks 34->97 49 conhost.exe 34->49         started        51 schtasks.exe 1 34->51         started        53 chcp.com 1 34->53         started        process13 process14 55 cmd.exe 45->55         started        signatures15 111 Uses ping.exe to sleep 55->111 58 PING.EXE 55->58         started        61 conhost.exe 55->61         started        process16 dnsIp17 83 2.2.2.2 FranceTelecom-OrangeFR France 58->83
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-03-12 06:12:07 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery persistence spyware stealer upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
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
UPX packed file
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.145
Unpacked files
SH256 hash:
f747b1dc11b798034f510533eeaa9cb00bfa475319e67b0f3ba246badf495797
MD5 hash:
633afa9d868b2af36eda64fe8af84b23
SHA1 hash:
4be898db52499a3bb88e59887a59aff5208ad14e
SH256 hash:
aaaeb2a1139927065c2a27e7f200820745928177937758eb71c3fc0764a94337
MD5 hash:
89eb5ec9d21a58c86167b8508b57b52a
SHA1 hash:
cf2db1140263fee267f6e22479b80ce11d406e2c
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:Borland
Author:malware-lu
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

File information


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

Web download

Stealc

Executable exe aaaeb2a1139927065c2a27e7f200820745928177937758eb71c3fc0764a94337

(this sample)

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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::ScrollConsoleScreenBufferW
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleDisplayMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::DnsHostnameToComputerNameW

Comments



Avatar
zbet commented on 2024-03-12 06:11:31 UTC

url : hxxp://185.172.128.126/InstallSetupNew.exe