MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9196dcff2d2111eda761f7068c9969e831163dc6d6149860db49c1a6e644f2d. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: b9196dcff2d2111eda761f7068c9969e831163dc6d6149860db49c1a6e644f2d
SHA3-384 hash: 6e7b3a2d171391518dd87952ed5fc2fd3975012c9a7321ee9e2775308bf734ccb584535675d2e571d994c1c1fef0c4d3
SHA1 hash: 59c5d537d35219f3b01e4466f4b542d0c5af6975
MD5 hash: 69f82b6ea6c6329ef25d7fd84dfa1e09
humanhash: crazy-jig-video-grey
File name:69f82b6ea6c6329ef25d7fd84dfa1e09.exe
Download: download sample
Signature Stealc
File size:410'112 bytes
First seen:2024-03-15 16:41:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8fa093aca072c532ddfdf50e1878ee23 (1 x Stealc)
ssdeep 12288:WFJ9r4rzUeDK2C3SbD8CYoDo1Ovf19VAJwn8:CDMvUeDK2C3mDxYKoe1QP
Threatray 5 similar samples on MalwareBazaar
TLSH T15D94F181FAE2E465D5B90974493ACAE4553DB8C37B34125B625CB6EF3CB02D089333B9
TrID 42.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
22.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 3370ecd2ccf0339a (9 x Stealc, 9 x LummaStealer, 3 x Socks5Systemz)
Reporter abuse_ch
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b9196dcff2d2111eda761f7068c9969e831163dc6d6149860db49c1a6e644f2d.exe
Verdict:
Malicious activity
Analysis date:
2024-03-15 16:50:51 UTC
Tags:
loader stealer stealc

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

Behaviour
Searching for the window
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)
Creating a file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Reading critical registry keys
Launching a process
Changing a file
Connection attempt to an infection source
Stealing user critical data
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
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 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: 1409760 Sample: aqhoGHiPMa.exe Startdate: 15/03/2024 Architecture: WINDOWS Score: 100 86 Snort IDS alert for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 11 other signatures 2->92 10 aqhoGHiPMa.exe 1 3 2->10         started        15 AEHIDAKECF.exe 2->15         started        17 AEHIDAKECF.exe 2->17         started        process3 dnsIp4 78 185.172.128.90, 49704, 80 NADYMSS-ASRU Russian Federation 10->78 80 185.172.128.126, 49707, 80 NADYMSS-ASRU Russian Federation 10->80 82 185.172.128.187, 49705, 49706, 49719 NADYMSS-ASRU Russian Federation 10->82 72 C:\Users\user\AppData\Local\Temp\u5wg.1.exe, PE32 10->72 dropped 74 C:\Users\user\AppData\Local\Temp\u5wg.0.exe, PE32 10->74 dropped 112 Detected unpacking (changes PE section rights) 10->112 114 Detected unpacking (overwrites its own PE header) 10->114 19 u5wg.0.exe 56 10->19         started        24 u5wg.1.exe 2 5 10->24         started        26 WerFault.exe 22 16 10->26         started        116 Creates autostart registry keys with suspicious names 15->116 28 cmd.exe 15->28         started        30 cmd.exe 17->30         started        file5 signatures6 process7 dnsIp8 76 185.172.128.145, 49708, 80 NADYMSS-ASRU Russian Federation 19->76 64 C:\Users\user\AppData\...\AEHIDAKECF.exe, PE32 19->64 dropped 66 C:\Users\user\AppData\...\softokn3[1].dll, PE32 19->66 dropped 68 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 19->68 dropped 70 11 other files (7 malicious) 19->70 dropped 100 Antivirus detection for dropped file 19->100 102 Multi AV Scanner detection for dropped file 19->102 104 Detected unpacking (changes PE section rights) 19->104 108 10 other signatures 19->108 32 cmd.exe 1 19->32         started        34 cmd.exe 1 24->34         started        37 conhost.exe 28->37         started        39 PING.EXE 28->39         started        106 Uses ping.exe to sleep 30->106 41 conhost.exe 30->41         started        43 PING.EXE 30->43         started        file9 signatures10 process11 signatures12 45 AEHIDAKECF.exe 1 4 32->45         started        48 conhost.exe 32->48         started        94 Uses ping.exe to sleep 34->94 96 Uses schtasks.exe or at.exe to add and modify task schedules 34->96 98 Uses ping.exe to check the status of other devices and networks 34->98 50 conhost.exe 34->50         started        52 schtasks.exe 1 34->52         started        54 chcp.com 1 34->54         started        process13 signatures14 118 Multi AV Scanner detection for dropped file 45->118 56 cmd.exe 45->56         started        process15 signatures16 110 Uses ping.exe to sleep 56->110 59 PING.EXE 56->59         started        62 conhost.exe 56->62         started        process17 dnsIp18 84 2.2.2.2 FranceTelecom-OrangeFR France 59->84
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-03-15 16:42:07 UTC
File Type:
PE (Exe)
Extracted files:
58
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
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:
3eb47ce25815c3e32395ce8999c99775f9046c861d67b5105338bcbbc5b71b3b
MD5 hash:
071b5906189378941198f9fdcc671524
SHA1 hash:
a485c131c2d24942e80d4e09c70bfdb606ef3c1d
SH256 hash:
b9196dcff2d2111eda761f7068c9969e831163dc6d6149860db49c1a6e644f2d
MD5 hash:
69f82b6ea6c6329ef25d7fd84dfa1e09
SHA1 hash:
59c5d537d35219f3b01e4466f4b542d0c5af6975
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe b9196dcff2d2111eda761f7068c9969e831163dc6d6149860db49c1a6e644f2d

(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::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesW

Comments