MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157
SHA3-384 hash: 5ec6beedd458966209bb804366e80e27de77d75180ea88352943233b29b62af8d48cece3097e63b13bd60a6fd3202a20
SHA1 hash: 007d2b5ffe70cf42b0f3aa2764d9d95530bf1342
MD5 hash: 8f198e099af36f724f5c4202d550ccca
humanhash: alabama-quiet-snake-florida
File name:file
Download: download sample
Signature CredentialFlusher
Create hunting rule
File size:918'528 bytes
First seen:2024-10-02 09:49:28 UTC
Last seen:2024-10-02 09:52:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 12288:fqDEvFo+yo4DdbbMWu/jrQu4M9lBAlKhQcDGB3cuBNGE6iOrpfe4JdaDgaETf:fqDEvCTbMWu7rQYlBQcBiT6rprG8akf
TLSH T1A1159E0273D1C062FFAB92334B5AF6515BBC69260123E61F13981DB9BE701B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
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 Bitsight
Tags:CredentialFlusher exe


Avatar
Bitsight
url: http://185.215.113.103/well/random.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
376
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-02 09:51:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e2cb0e25-6788-458d-8e0c-b2d3c3313325

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fd174c0fdf8887097998ef
Tags:
Powershell Autoit Emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Searching for the browser window
Connection attempt
DNS request
Sending a custom TCP request
Reading critical registry keys
Launching a service
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc shell32
Link:
https://www.filescan.io/uploads/66fd174d70ee93675e14d59d/reports/cd9a718b-3609-4e68-a99c-0bf88518cd65/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157
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:
Unknown
Link:
https://analyze.intezer.com/analyses/0b9d24b4-5c2f-4c74-bb7f-f1f0af0b4f72
Result
Threat name:
Credential Flusher
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1524014
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
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: 1524014 Sample: file.exe Startdate: 02/10/2024 Architecture: WINDOWS Score: 72 31 www.google.com 2->31 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Credential Flusher 2->39 41 Binary is likely a compiled AutoIt script file 2->41 43 2 other signatures 2->43 8 file.exe 2->8         started        signatures3 process4 signatures5 45 Binary is likely a compiled AutoIt script file 8->45 47 Found API chain indicative of sandbox detection 8->47 11 chrome.exe 9 8->11         started        14 taskkill.exe 1 8->14         started        process6 dnsIp7 33 192.168.2.5, 443, 49276, 49703 unknown unknown 11->33 35 239.255.255.250 unknown Reserved 11->35 16 chrome.exe 11->16         started        19 chrome.exe 11->19         started        21 chrome.exe 6 11->21         started        23 conhost.exe 14->23         started        process8 dnsIp9 25 www.google.com 142.250.184.228, 443, 49715, 49761 GOOGLEUS United States 16->25 27 play.google.com 142.250.185.174, 443, 49735, 49737 GOOGLEUS United States 16->27 29 6 other IPs or domains 16->29
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-02 09:50:08 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tchkjb672vzu3tlwgsdccrvkop3dva24y3ozswuwbytvkrsa6flq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241002-ltxqgatdpd/
Behaviour
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/301afc20-1a34-4221-9a49-0590ec27f187
Unpacked files
SH256 hash:
988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157
MD5 hash:
8f198e099af36f724f5c4202d550ccca
SHA1 hash:
007d2b5ffe70cf42b0f3aa2764d9d95530bf1342
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/7784fa42-6544-487e-bad2-48370c65cbb6/
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/988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157

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:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

CredentialFlusher

Executable exe 988ea487dfd5734dcd7634862146aa73f63a835cc6dd995a960e27554640f157

(this sample)

  
Dropped by
Amadey
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3183447/
  
URLhaus
https://urlhaus.abuse.ch/url/3178787/
  
URLhaus
https://urlhaus.abuse.ch/url/3182948/

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