MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc. 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: 16


Intelligence 16 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc
SHA3-384 hash: 05709344fed4e710ac06446a942dff589100764eec28883fa11a37bb4d129c8496ecf186d4d115551735a1ec8a81b1e0
SHA1 hash: ef3bcdfbc99ca65cf6ae2b550da3b9c4451db2a7
MD5 hash: a27775738faff754dcf5c3e8e42b9838
humanhash: nine-pluto-foxtrot-whiskey
File name:a27775738faff754dcf5c3e8e42b9838.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:454'144 bytes
First seen:2024-10-08 01:12:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cf2df69e8bb6acbf3b231da2c6f4bda2 (4 x Stealc, 1 x Smoke Loader)
ssdeep 6144:bTOLX6UHRWxXKNneVtVD/Gn9meVgd4w3sGz7A8gVy6BbO42T8:+r6UHoxaNneVtV5jz8s4NO4O
TLSH T153A4B00256F9AEA0F5F246328D2DF6E8A56DFC51EE58E757325CEB1F1B701A0C222311
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) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 0008081100480000 (1 x Stealc, 1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://62.122.184.144/f88d87a7e087e100.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://62.122.184.144/f88d87a7e087e100.php https://threatfox.abuse.ch/ioc/1334556/

Intelligence

File Origin
# of uploads :
1
# of downloads :
410
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a27775738faff754dcf5c3e8e42b9838.exe
Verdict:
Malicious activity
Analysis date:
2024-10-08 01:14:05 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/d7b92efa-2698-473e-971d-cb7d7f356e35

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6704871fdcb599bb05a4f0a5
Tags:
phishing hype onli
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/6704871fd92ce92b9f9b70d7/reports/12ff61b8-ba49-42d1-ab7b-9c885e55e26f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc
Result
Verdict:
SUSPICIOUS
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2799252-8614-49a2-a675-2eee978df69b
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1528581
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1528581 Sample: ctMI3TYXpX.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 58 nwgrus.ru 2->58 60 ninjahallnews.com 2->60 62 3 other IPs or domains 2->62 76 Suricata IDS alerts for network traffic 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 6 other signatures 2->82 11 ctMI3TYXpX.exe 2->11         started        14 jghruer 2->14         started        16 hdhruer 2->16         started        18 msiexec.exe 2->18         started        signatures3 process4 signatures5 124 Detected unpacking (changes PE section rights) 11->124 126 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->126 128 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->128 130 Switches to a custom stack to bypass stack traces 11->130 20 explorer.exe 68 9 11->20 injected 132 Antivirus detection for dropped file 14->132 134 Multi AV Scanner detection for dropped file 14->134 136 Machine Learning detection for dropped file 14->136 138 Maps a DLL or memory area into another process 16->138 140 Checks if the current machine is a virtual machine (disk enumeration) 16->140 142 Creates a thread in another existing process (thread injection) 16->142 process6 dnsIp7 64 nwgrus.ru 180.75.11.133, 49736, 49737, 49738 WEBE-MY-AS-APWEBEDIGITALSDNBHDMY Malaysia 20->64 66 201.103.8.135, 50062, 50064, 50066 UninetSAdeCVMX Mexico 20->66 68 2 other IPs or domains 20->68 50 C:\Users\user\AppData\Roaming\jghruer, PE32 20->50 dropped 52 C:\Users\user\AppData\Roaming\hdhruer, PE32 20->52 dropped 54 C:\Users\user\AppData\Local\Temp\B972.exe, PE32+ 20->54 dropped 56 2 other malicious files 20->56 dropped 90 System process connects to network (likely due to code injection or exploit) 20->90 92 Benign windows process drops PE files 20->92 94 Injects code into the Windows Explorer (explorer.exe) 20->94 96 3 other signatures 20->96 25 B972.exe 2 20->25         started        28 35DB.exe 20->28         started        30 explorer.exe 18 20->30         started        32 5 other processes 20->32 file8 signatures9 process10 signatures11 98 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->98 100 Machine Learning detection for dropped file 25->100 102 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 25->102 104 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 25->104 34 cmd.exe 1 25->34         started        106 Antivirus detection for dropped file 28->106 108 Detected unpacking (changes PE section rights) 28->108 110 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 28->110 122 4 other signatures 28->122 112 System process connects to network (likely due to code injection or exploit) 30->112 114 Found evasive API chain (may stop execution after checking mutex) 30->114 116 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->116 118 Tries to steal Mail credentials (via file / registry access) 30->118 120 Tries to harvest and steal browser information (history, passwords, etc) 32->120 process12 signatures13 70 Uses netsh to modify the Windows network and firewall settings 34->70 72 Uses ipconfig to lookup or modify the Windows network settings 34->72 74 Modifies the windows firewall 34->74 37 WMIC.exe 1 34->37         started        40 systeminfo.exe 34->40         started        42 net.exe 34->42         started        44 20 other processes 34->44 process14 signatures15 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 37->84 86 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 37->86 88 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 37->88 46 net1.exe 42->46         started        48 net1.exe 44->48         started        process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-08 01:13:05 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xkh4x3fpdhs5urj2v66lofwgxjdjqdlevuointqxz3tue3aefpga._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Link:
https://tria.ge/reports/241008-bk433svhkc/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c2b6aa4d-e68f-4f59-af35-c6abefc60dc9
Unpacked files
SH256 hash:
e6ba66002cc9abbe8b50c987b242676bcec42c3fc8362d17478ea169ae52be94
MD5 hash:
ffe5d609545e89a315ac9214400a4dc0
SHA1 hash:
0ad75d212de39c6e468a520b04033425c02dd828
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/f3753309-a19e-41c0-ab9d-8144c76f42a3/
Parent samples :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 hash:
ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc
MD5 hash:
a27775738faff754dcf5c3e8e42b9838
SHA1 hash:
ef3bcdfbc99ca65cf6ae2b550da3b9c4451db2a7
Link:
https://www.unpac.me/results/f3753309-a19e-41c0-ab9d-8144c76f42a3/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ba8fcbecaf19/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

File information

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

Web download

Stealc

Executable exe ba8fcbecaf19e5da453aafbcb716c6ba46980d64ad1c86ce17cee7426c042bcc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3192422/
  
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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpCheckPlatform
WINHTTP.dll::WinHttpOpen

Comments