MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78
SHA3-384 hash: 2ff178ac3999d2a26460b9badd3a673819eaa1bb091b2c75240c0b56777169553563fd301ccd0820205eb253d1f2665a
SHA1 hash: 296d5a7a5a2da67c5c8bcc2d821ba2549ef8ab26
MD5 hash: 81fd624d5955fe64fb4aaf78d83dcacf
humanhash: pennsylvania-nebraska-montana-glucose
File name:81fd624d5955fe64fb4aaf78d83dcacf.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:466'945 bytes
First seen:2024-04-28 06:40:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c8bbaaa682c013cc75d9e0c38f1112a (30 x Stealc, 3 x Arechclient2, 1 x LummaStealer)
ssdeep 12288:SMAzoV3Y9YLR4W/Rt7yL794skEZUXwE8V:IoV3Y9YLRN/XQUOUXwE8V
Threatray 205 similar samples on MalwareBazaar
TLSH T134A4AE0362D07C54E56687328E3EB6E8361DF9708E996B67320CBA6F16B80F1F163751
TrID 44.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
33.4% (.EXE) InstallShield setup (43053/19/16)
8.1% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.4% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0301112b12113100 (4 x Stealc, 1 x Arechclient2)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.62/902e53a07830e030.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
329
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 06:41:28 UTC
Tags:
gcleaner loader stealer stealc hijackloader arechclient2 backdoor
Link:
https://app.any.run/tasks/f2da476b-6eac-411d-a0d9-b19ba1b98e41

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

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Creating a file
Sending an HTTP POST request
Searching for the window
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/662def83c5dabc22b20abd1c/reports/faaa4e32-f969-444f-97d4-32fb247eab53/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8af9124d-0b9f-4648-98ce-b56a7e694b3a
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432781
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
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)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432781 Sample: s8veIRIGWR.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 78 download.iolo.net 2->78 80 svc.iolo.com 2->80 82 4 other IPs or domains 2->82 126 Multi AV Scanner detection for domain / URL 2->126 128 Found malware configuration 2->128 130 Malicious sample detected (through community Yara rule) 2->130 132 16 other signatures 2->132 9 s8veIRIGWR.exe 3 11 2->9         started        14 run.exe 2 2->14         started        signatures3 process4 dnsIp5 84 185.172.128.228, 49731, 49735, 80 NADYMSS-ASRU Russian Federation 9->84 86 185.172.128.59, 49732, 80 NADYMSS-ASRU Russian Federation 9->86 88 2 other IPs or domains 9->88 64 C:\Users\user\AppData\Local\Temp\u5b0.3.exe, PE32 9->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->66 dropped 68 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->68 dropped 70 2 other malicious files 9->70 dropped 134 Detected unpacking (overwrites its own PE header) 9->134 16 u5b0.0.exe 56 9->16         started        21 run.exe 6 9->21         started        23 u5b0.3.exe 16 8 9->23         started        25 WerFault.exe 21 16 9->25         started        136 Maps a DLL or memory area into another process 14->136 138 Found direct / indirect Syscall (likely to bypass EDR) 14->138 27 cmd.exe 14->27         started        file6 signatures7 process8 dnsIp9 72 185.172.128.62, 49733, 80 NADYMSS-ASRU Russian Federation 16->72 50 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->50 dropped 52 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->52 dropped 54 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->54 dropped 62 9 other files (5 malicious) 16->62 dropped 110 Multi AV Scanner detection for dropped file 16->110 112 Detected unpacking (changes PE section rights) 16->112 114 Detected unpacking (overwrites its own PE header) 16->114 124 9 other signatures 16->124 29 WerFault.exe 16->29         started        56 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 21->56 dropped 58 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 21->58 dropped 116 Maps a DLL or memory area into another process 21->116 118 Found direct / indirect Syscall (likely to bypass EDR) 21->118 32 cmd.exe 4 21->32         started        74 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->74 120 Checks if the current machine is a virtual machine (disk enumeration) 23->120 36 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 23->36         started        76 13.89.179.12 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->76 60 C:\Users\user\AppData\Local\Temp\foiahljf, PE32 27->60 dropped 122 Writes to foreign memory regions 27->122 38 conhost.exe 27->38         started        40 MSBuild.exe 27->40         started        file10 signatures11 process12 dnsIp13 94 52.168.117.173 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->94 48 C:\Users\user\AppData\Local\...\lnbaojqtdvwnr, PE32 32->48 dropped 98 Writes to foreign memory regions 32->98 100 Found hidden mapped module (file has been removed from disk) 32->100 102 Maps a DLL or memory area into another process 32->102 42 MSBuild.exe 32->42         started        46 conhost.exe 32->46         started        96 20.9.155.150 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->96 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 36->104 106 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 36->106 108 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 36->108 file14 signatures15 process16 dnsIp17 90 91.215.85.66 PINDC-ASRU Russian Federation 42->90 92 104.20.3.235 CLOUDFLARENETUS United States 42->92 140 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 42->140 142 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 42->142 144 Tries to harvest and steal browser information (history, passwords, etc) 42->144 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-04-28 06:41:11 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cjwwokjj42n4wzx5nt2qyzac74nbadhwmqg2jl7z6ukrd6krrr4a._file
Verdict:
malicious
Similar samples:
1718b48bc644fdac22b236a4a2ffb3b2ab2050853946865f843d52535e79711c
Stealc
2311b9c48a7252803500270a3f0432ac4cc5f229c414829ce1dfa84736ae1806
Stealc
373b0bc34285eb0ffab186720136f6d1aee5573875afb13869f76d484e5b2a86
Stealc
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a
Stealc
cea8116fefb88cd3597edd342e9c0d5a99e6ff5e434035bdbb92f64c17ea2102
Stealc
d83011dec2bbee77269f3b84f65ab094c77615e6a1f25266f7f7705eb2ce99b5
Stealc
+ 195 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240428-hftj4sac22/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.62
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/ead119c2-69f9-44cb-8548-9855b3745663/
SH256 hash:
126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78
MD5 hash:
81fd624d5955fe64fb4aaf78d83dcacf
SHA1 hash:
296d5a7a5a2da67c5c8bcc2d821ba2549ef8ab26
Link:
https://www.unpac.me/results/ead119c2-69f9-44cb-8548-9855b3745663/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/126d672929e6/report/overview.html
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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:yara_template
Create hunting rule

File information

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

Web download

Stealc

Executable exe 126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2802625/
  
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::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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