MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9. 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: c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9
SHA3-384 hash: fc2ecdfc72f12e9c9be2e47a5a1fd82344f55b6a303a1fcaf6ae6a304ac8294b3d49549c5634f1d36699311836887a49
SHA1 hash: 0a680dda9a07e32aca56e6f23dda005ff116b90c
MD5 hash: 82e0e0a1438a52f19b5eaab269654eab
humanhash: arkansas-bulldog-burger-north
File name:random.exe
Download: download sample
Signature CredentialFlusher
Create hunting rule
File size:969'216 bytes
First seen:2025-04-04 08:44:16 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 24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8aEBq85:4TvC/MTQYxsWR7aEBq
TLSH T169259E027381C062FFAB92734F5AF6515BBC6A260123E61F13981D79BE701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:CredentialFlusher exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/543/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ef9dbecfd0a37f830dd2bb
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Searching for the browser window
Connection attempt
DNS request
Sending a custom TCP request
Launching a tool to kill processes
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/67ef9c1e2d430c849e067cff/reports/431527ba-e6c0-4b33-b6fd-44f976dcc768/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5576f855-e79a-47d9-abbd-ce814beb6c84
Result
Threat name:
Credential Flusher
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1656441
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected Credential Flusher
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1656441 Sample: random.exe Startdate: 04/04/2025 Architecture: WINDOWS Score: 76 49 youtube.com 2->49 51 youtube-ui.l.google.com 2->51 53 38 other IPs or domains 2->53 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected Credential Flusher 2->65 67 2 other signatures 2->67 8 random.exe 2->8         started        11 firefox.exe 1 2->11         started        13 firefox.exe 1 2->13         started        signatures3 process4 signatures5 69 Binary is likely a compiled AutoIt script file 8->69 71 Found API chain indicative of sandbox detection 8->71 15 taskkill.exe 1 8->15         started        17 taskkill.exe 1 8->17         started        19 taskkill.exe 1 8->19         started        27 3 other processes 8->27 21 firefox.exe 3 214 11->21         started        25 firefox.exe 33 13->25         started        process6 dnsIp7 29 conhost.exe 15->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        55 shavar.prod.mozaws.net 35.81.123.48, 443, 49740 MERIT-AS-14US United States 21->55 57 youtube.com 142.250.80.78, 443, 49729, 49730 GOOGLEUS United States 21->57 59 12 other IPs or domains 21->59 45 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 21->45 dropped 47 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 21->47 dropped 35 firefox.exe 1 21->35         started        37 firefox.exe 1 21->37         started        39 firefox.exe 1 21->39         started        41 conhost.exe 27->41         started        43 conhost.exe 27->43         started        file8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-04-03 13:02:05 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y423denhfxoyyi2nh3tbzfp336piu7osdnxmgejrtenja4xkrwuq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250404-knbelswkt7/
Behaviour
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b60546a4-c9d2-47c4-8194-608ccf0f92b2
Unpacked files
SH256 hash:
c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9
MD5 hash:
82e0e0a1438a52f19b5eaab269654eab
SHA1 hash:
0a680dda9a07e32aca56e6f23dda005ff116b90c
Link:
https://www.unpac.me/results/9a2033c9-3c6e-439a-8d28-87c440e9c2ef/
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/c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9

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 c735b191a72ddd8c234d3ee61c95fbdf9e8a7dd21b6ec31131991a9072ea8da9

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/543/
  
URLhaus
https://urlhaus.abuse.ch/url/3452040/
  
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
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

Comments