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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9902e3e04ea1339cfdbc79e565e438e489efdb84f2cc4cb227544082498c1a0b. 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


CobaltStrike


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9902e3e04ea1339cfdbc79e565e438e489efdb84f2cc4cb227544082498c1a0b
SHA3-384 hash: c5b95fb527f8d86e36c8dafb89b0d577bdb824565b7f2aed3ea997a982bf90a46a177d346afa3c04510548581b204d34
SHA1 hash: 6cbc78a8fff707a3b897edf5c9b8d5e6780e68d0
MD5 hash: 40635be83e3ed7e7ec12b450b2058b71
humanhash: table-magnesium-wolfram-ink
File name:SecuriteInfo.com.Trojan.Siggen19.3578.9894.26344
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:28'440'136 bytes
First seen:2024-03-03 08:39:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a0722f4d4407b49f848f72fd4df721d0 (7 x CobaltStrike, 6 x SimpleHelp)
ssdeep 786432:fpfjAZD3BbPPKwDE7elaEtyG7O36we3Fi+/B80DX:fpfjED3BbPTtakyGG6weVimBLDX
TLSH T19C573318A6D1DE7DDF231AFDD08E48EB6A6E8E9307C9407317F085C6CA146D1881FE5A
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70fcb0b0b0b0f87c (108 x SimpleHelp, 10 x CobaltStrike)
Reporter SecuriteInfoCom
Tags:Cobalt Strike exe signed

Code Signing Certificate

Organisation:SimpleHelp Ltd
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2021-03-01T00:00:00Z
Valid to:2024-02-29T23:59:59Z
Serial number: 4bc2e5bbf245c046a66d2b46976d5411
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 5680ca7a6616f2a2a33a20f5205383b224b09f4369f2b80736bd505fa9708ec9
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
489
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a process from a recently created file
Delayed writing of the file
Creating a file in the %temp% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint lolbin overlay packed redcap remote shell32
Link:
https://www.filescan.io/uploads/65e437647ce606140b1b630f/reports/e89fd20d-575e-404d-beea-39023bb19f6a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/9902e3e04ea1339cfdbc79e565e438e489efdb84f2cc4cb227544082498c1a0b
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.evad.troj
Score:
57 / 100
Link:
https://www.joesandbox.com/analysis/1402097
Signature
Contains VNC / remote desktop functionality (version string found)
Found stalling execution ending in API Sleep call
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Behaviour
Behavior Graph:
Download SVG
Score:
70%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/9902e3e04ea1339cfdbc79e565e438e489efdb84f2cc4cb227544082498c1a0b
Gathering data
Threat name:
Win32.Adware.RedCap
Create hunting rule
Status:
Malicious
First seen:
2023-06-19 04:42:43 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
16 of 38 (42.11%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tebohycouezzz7n4phswlzby4se67w4e6lgezmrhkraiesmmdifq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/240303-kkvzvage27/
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9902e3e04ea1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Pay2Key
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9902e3e04ea1339cfdbc79e565e438e489efdb84f2cc4cb227544082498c1a0b

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sectigo_Code_Signed
Create hunting rule
Description:Detects code signed by the Sectigo RSA Code Signing CA
Reference:https://bazaar.abuse.ch/export/csv/cscb/

File information

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

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertStringSidToSidA
ADVAPI32.dll::EqualSid
ADVAPI32.dll::GetExplicitEntriesFromAclA
ADVAPI32.dll::GetNamedSecurityInfoA
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::SetNamedSecurityInfoA
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
WININET.dll::InternetCloseHandle
WINHTTP.dll::WinHttpCloseHandle
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpGetIEProxyConfigForCurrentUser
WINHTTP.dll::WinHttpGetProxyForUrl
WINHTTP.dll::WinHttpOpen
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments