MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb
SHA3-384 hash: 168c28159499ce443b4fb838e111a3644188d38bbd5e78f285b556114d1ca014d4b31eb80070dd94bb8400ab65ae3663
SHA1 hash: 56af848d85c781fd6ac0b8e11b2aec770fc4a105
MD5 hash: fcac04fb67b3dec2db923867c5cb0701
humanhash: yankee-massachusetts-hydrogen-michigan
File name:fcac04fb67b3dec2db923867c5cb0701
Download: download sample
Signature Stealc
Create hunting rule
File size:441'857 bytes
First seen:2024-04-27 00:17:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7b429a3347fd898e799116b6973c5111 (1 x Stealc)
ssdeep 12288:FiJmkAC1wKXfuGRen+MkNDbfs+uR6/N40KZ:Hk2quGRO+MkNDg+uR6/u0W
TLSH T15B949E2372E0BC60E526473E9F1EA6E8372DF9208F65EB67224C5D1F15712B0D263792
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0301011311221100 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
372
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb.exe
Verdict:
Malicious activity
Analysis date:
2024-04-27 00:19:18 UTC
Tags:
gcleaner loader stealer stealc arechclient2 backdoor
Link:
https://app.any.run/tasks/22421c8d-9475-4e4d-9e29-9f58183e8412

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
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
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Creating a window
Searching for synchronization primitives
Connecting to a non-recommended domain
Sending an HTTP POST request
Transferring files using the Background Intelligent Transfer Service (BITS)
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Enabling the 'hidden' option for files in the %temp% directory
Moving a recently created file
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/662c443dd2fc149e41204564/reports/cf83c75d-5a5e-44f4-adaf-2abb0f3267b2/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb
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/9ac57320-8b4e-4e36-9e2e-c3a5ab110373
Result
Threat name:
Mars Stealer, RedLine, SectopRAT, Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432428
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)
Connects to many ports of the same IP (likely port scanning)
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 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)
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)
Writes to foreign memory regions
Yara detected Mars stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432428 Sample: TNQTc6Qmkg.exe Startdate: 27/04/2024 Architecture: WINDOWS Score: 100 81 download.iolo.net 2->81 83 svc.iolo.com 2->83 85 4 other IPs or domains 2->85 107 Snort IDS alert for network traffic 2->107 109 Multi AV Scanner detection for domain / URL 2->109 111 Found malware configuration 2->111 113 16 other signatures 2->113 9 TNQTc6Qmkg.exe 3 11 2->9         started        14 run.exe 2->14         started        16 chrome.exe 2->16         started        signatures3 process4 dnsIp5 97 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 9->97 99 185.172.128.228, 49731, 80 NADYMSS-ASRU Russian Federation 9->99 105 2 other IPs or domains 9->105 73 C:\Users\user\AppData\Local\Temp\u3bs.3.exe, PE32 9->73 dropped 75 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->75 dropped 77 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->77 dropped 79 2 other malicious files 9->79 dropped 137 Detected unpacking (overwrites its own PE header) 9->137 18 u3bs.0.exe 78 9->18         started        23 run.exe 6 9->23         started        25 u3bs.3.exe 9->25         started        27 WerFault.exe 9->27         started        139 Maps a DLL or memory area into another process 14->139 141 Found direct / indirect Syscall (likely to bypass EDR) 14->141 29 cmd.exe 14->29         started        101 192.168.2.4, 443, 49723, 49730 unknown unknown 16->101 103 239.255.255.250 unknown Reserved 16->103 31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        file6 signatures7 process8 dnsIp9 87 185.172.128.76, 49733, 80 NADYMSS-ASRU Russian Federation 18->87 89 185.172.128.203 NADYMSS-ASRU Russian Federation 18->89 57 C:\Users\user\AppData\...\HDBKJEGIEB.exe, PE32 18->57 dropped 59 C:\Users\user\AppData\Local\...\tiktok[1].exe, PE32 18->59 dropped 61 C:\Users\user\AppData\...\softokn3[1].dll, PE32 18->61 dropped 69 11 other files (7 malicious) 18->69 dropped 115 Multi AV Scanner detection for dropped file 18->115 117 Detected unpacking (changes PE section rights) 18->117 119 Detected unpacking (overwrites its own PE header) 18->119 129 9 other signatures 18->129 35 cmd.exe 18->35         started        37 WerFault.exe 18->37         started        63 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 23->63 dropped 65 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 23->65 dropped 121 Maps a DLL or memory area into another process 23->121 123 Found direct / indirect Syscall (likely to bypass EDR) 23->123 39 cmd.exe 4 23->39         started        91 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->91 125 Checks if the current machine is a virtual machine (disk enumeration) 25->125 67 C:\Users\user\AppData\Local\...\bxhlahunbhc, PE32 29->67 dropped 127 Writes to foreign memory regions 29->127 43 conhost.exe 29->43         started        45 MSBuild.exe 29->45         started        93 www.google.com 142.251.32.100 GOOGLEUS United States 31->93 file10 signatures11 process12 file13 47 HDBKJEGIEB.exe 35->47         started        50 conhost.exe 35->50         started        71 C:\Users\user\AppData\Local\...\osssciedmed, PE32 39->71 dropped 131 Writes to foreign memory regions 39->131 133 Found hidden mapped module (file has been removed from disk) 39->133 135 Maps a DLL or memory area into another process 39->135 52 MSBuild.exe 6 39->52         started        55 conhost.exe 39->55         started        signatures14 process15 dnsIp16 143 Multi AV Scanner detection for dropped file 47->143 95 91.215.85.66 PINDC-ASRU Russian Federation 52->95 145 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 52->145 147 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 52->147 149 Tries to harvest and steal browser information (history, passwords, etc) 52->149 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-04-27 00:18:08 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=35raxarwq75ig4oltzna3ql4ja6yatxwaf2xs2fymzw6eyenr25q._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:zgrat rat trojan
Link:
https://tria.ge/reports/240427-all38afa39/
Behaviour
Checks SCSI registry key(s)
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
ZGRat
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/223ce91e-9f0c-4b41-92c0-9db0a7f1f4b8/
SH256 hash:
df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb
MD5 hash:
fcac04fb67b3dec2db923867c5cb0701
SHA1 hash:
56af848d85c781fd6ac0b8e11b2aec770fc4a105
Link:
https://www.unpac.me/results/223ce91e-9f0c-4b41-92c0-9db0a7f1f4b8/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/df620b823687/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/df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
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 df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2804701/

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::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
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

Comments


Avatar
zbet commented on 2024-04-27 00:17:45 UTC

url : hxxp://185.172.128.59/ISetup8.exe