MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105. 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


CredentialFlusher


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105
SHA3-384 hash: 152a466394ed932cbc069b7e903e958f644663daa9e4eb841b823001edca3912821a36b844d0c08e4ec2a0a46533ba52
SHA1 hash: a83f4fa3510333fe0223fa49df40275f6bcffb88
MD5 hash: d1bf8e67a6a73aded20586aab5f29510
humanhash: twelve-twelve-xray-asparagus
File name:random.exe
Download: download sample
Signature CredentialFlusher
Create hunting rule
File size:967'168 bytes
First seen:2025-02-07 15:52:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:wqDEvCTbMWu7rQYlBQcBiT6rprG8avrV:wTvC/MTQYxsWR7av
TLSH T189259E0273D1C062FF9B92334B5AF6515BBC69260123E61F13A81D7ABE701B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter aachum
Tags:CredentialFlusher exe


Avatar
iamaachum
http://185.215.113.16/well/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
445
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a62d83ab8a2d1c6bcd8e9d
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Searching for the window
Using the Windows Management Instrumentation requests
Launching a process
Searching for the browser window
Connection attempt
Launching a tool to kill processes
Forced shutdown of a browser
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2e69c2bc-552c-4c55-8060-f526244f9a6a
Result
Threat name:
Credential Flusher
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1609456
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Excessive usage of taskkill to terminate processes
Found API chain indicative of sandbox detection
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Credential Flusher
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609456 Sample: random.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 84 50 youtube.com 2->50 52 youtube-ui.l.google.com 2->52 54 39 other IPs or domains 2->54 64 Antivirus / Scanner detection for submitted sample 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected Credential Flusher 2->68 70 3 other signatures 2->70 8 random.exe 2->8         started        11 firefox.exe 2->11         started        13 firefox.exe 1 2->13         started        15 firefox.exe 1 2->15         started        signatures3 process4 signatures5 72 Binary is likely a compiled AutoIt script file 8->72 74 Found API chain indicative of sandbox detection 8->74 76 Excessive usage of taskkill to terminate processes 8->76 17 taskkill.exe 1 8->17         started        19 taskkill.exe 1 8->19         started        21 taskkill.exe 1 8->21         started        30 15 other processes 8->30 23 firefox.exe 11->23         started        26 firefox.exe 3 40 13->26         started        28 firefox.exe 40 15->28         started        process6 dnsIp7 32 conhost.exe 17->32         started        34 conhost.exe 19->34         started        36 conhost.exe 21->36         started        56 youtube.com 142.250.181.238, 443, 49941, 53047 GOOGLEUS United States 23->56 58 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 53048, 53056, 53068 GOOGLEUS United States 23->58 62 11 other IPs or domains 23->62 46 2 other processes 23->46 60 127.0.0.1 unknown unknown 26->60 38 firefox.exe 1 26->38         started        40 firefox.exe 1 28->40         started        42 conhost.exe 30->42         started        44 conhost.exe 30->44         started        48 10 other processes 30->48 process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105/
Threat name:
Win32.Ransomware.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-02-07 15:53:19 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bjx4wceztuq4bs5i5qfhsoy3tmkqnuraklvvy6n7v2nizclwecq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250207-tbqs7symfk/
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3c3167fa-20c8-45e9-9e0c-427c284aa12e
Unpacked files
SH256 hash:
f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105
MD5 hash:
d1bf8e67a6a73aded20586aab5f29510
SHA1 hash:
a83f4fa3510333fe0223fa49df40275f6bcffb88
Link:
https://www.unpac.me/results/f292f888-7b44-4c07-b093-0fb016173533/
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/f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

CredentialFlusher

Executable exe f8537e5844cce90e065d476053c9d8dcd8a8369102975ae3cdfd74d4644bb105

(this sample)

  
Link
https://tria.ge/250207-slzy7awkby/
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3337820/
  
URLhaus
https://urlhaus.abuse.ch/url/3067426/

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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