MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 887bb1904ec85803e0f36de870ecc9d9979d586e94f42c562a407e734d5bcd1a. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments 1

SHA256 hash: 887bb1904ec85803e0f36de870ecc9d9979d586e94f42c562a407e734d5bcd1a
SHA3-384 hash: 7b4870ab3557bbba9d56c8a5bee025f0b9ee711b096866c7a5e708e47903c9369809d888c25e1925bdf4889f148687a1
SHA1 hash: 0a0d3e93a81cd2364a1ba44752624762aa00f8b4
MD5 hash: 274d2df86ae0722100ae223360160b50
humanhash: avocado-bravo-chicken-oranges
File name:274d2df86ae0722100ae223360160b50
Download: download sample
File size:6'430'047 bytes
First seen:2024-10-18 07:42:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 72c4e339b7af8ab1ed2eb3821c98713a (48 x BlankGrabber, 26 x PythonStealer, 7 x LunaStealer)
ssdeep 196608:oOg2qUzCsXDjDyfndJolpPgToa10/OFOnJ9DeUd:q2qaCEDAJ83a10WsLe
TLSH T1C856338856D11DAAFC77A13E89618952D6B27CB60771C79F06B402273E336A4D93EF03
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter zbetcheckin
Tags:64 exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
359
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
274d2df86ae0722100ae223360160b50
Verdict:
Malicious activity
Analysis date:
2024-10-18 08:16:20 UTC
Tags:
evasion pyinstaller

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Powershell Vmdetect
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay packed
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
AI detected suspicious sample
Checks for kernel debuggers (COM1)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Sigma detected: Potentially Suspicious Malware Callback Communication
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1536850 Sample: n7c4wEaovN.exe Startdate: 18/10/2024 Architecture: WINDOWS Score: 64 89 systemupdate.ddnsgratis.com.br 2->89 91 ipinfo.io 2->91 93 4 other IPs or domains 2->93 101 Multi AV Scanner detection for submitted file 2->101 103 Sigma detected: Potentially Suspicious Malware Callback Communication 2->103 105 AI detected suspicious sample 2->105 12 n7c4wEaovN.exe 30 2->12         started        16 OneDriveUpdate.exe 30 2->16         started        18 OneDriveUpdate.exe 2->18         started        20 OneDriveUpdate.exe 2->20         started        signatures3 process4 file5 81 21 other files (none is malicious) 12->81 dropped 111 Potentially malicious time measurement code found 12->111 22 n7c4wEaovN.exe 2 12->22         started        83 21 other files (none is malicious) 16->83 dropped 25 OneDriveUpdate.exe 1 16->25         started        71 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 18->71 dropped 73 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 18->73 dropped 85 19 other files (none is malicious) 18->85 dropped 28 OneDriveUpdate.exe 18->28         started        75 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 20->75 dropped 77 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 20->77 dropped 79 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 20->79 dropped 87 18 other files (none is malicious) 20->87 dropped 30 OneDriveUpdate.exe 20->30         started        signatures6 process7 file8 61 C:\Users\user\AppData\...\OneDriveUpdate.exe, PE32+ 22->61 dropped 32 cmd.exe 1 22->32         started        109 Checks for kernel debuggers (COM1) 25->109 34 cmd.exe 25->34         started        36 cmd.exe 28->36         started        38 cmd.exe 30->38         started        signatures9 process10 process11 40 OneDriveUpdate.exe 30 32->40         started        43 taskkill.exe 1 32->43         started        45 conhost.exe 32->45         started        47 conhost.exe 34->47         started        49 conhost.exe 36->49         started        51 conhost.exe 38->51         started        file12 63 C:\Users\user\AppData\Local\...\win32wnet.pyd, PE32+ 40->63 dropped 65 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 40->65 dropped 67 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 40->67 dropped 69 18 other files (none is malicious) 40->69 dropped 53 OneDriveUpdate.exe 1 1 40->53         started        process13 dnsIp14 95 systemupdate.ddnsgratis.com.br 194.5.152.215, 49725, 49731, 49748 DEDIPATH-LLCUS Germany 53->95 97 ipinfo.io 34.117.59.81, 443, 49724, 49730 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 53->97 99 api.ipify.org 104.26.13.205, 443, 49723, 49729 CLOUDFLARENETUS United States 53->99 107 Checks for kernel debuggers (COM1) 53->107 57 cmd.exe 1 53->57         started        signatures15 process16 process17 59 conhost.exe 57->59         started       
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2024-10-17 21:25:30 UTC
File Type:
PE+ (Exe)
Extracted files:
712
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence pyinstaller
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Detects Pyinstaller
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
887bb1904ec85803e0f36de870ecc9d9979d586e94f42c562a407e734d5bcd1a
MD5 hash:
274d2df86ae0722100ae223360160b50
SHA1 hash:
0a0d3e93a81cd2364a1ba44752624762aa00f8b4
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

Web download

Executable exe 887bb1904ec85803e0f36de870ecc9d9979d586e94f42c562a407e734d5bcd1a

(this sample)

  
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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments



Avatar
zbet commented on 2024-10-18 07:42:45 UTC

url : hxxp://n.ddnsgratis.com.br/sitef/client11.exe