MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f3b2f1ec49bf6fbd4fe9e28fb28e526da4c7fce85ac95f835d3dc343b872075d. 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
Cobalt Strike
Vendor detections: 14
| SHA256 hash: | f3b2f1ec49bf6fbd4fe9e28fb28e526da4c7fce85ac95f835d3dc343b872075d |
|---|---|
| SHA3-384 hash: | 03c3252d0f284da4ecccef03494014cf8664ad49517709b60427a6946e461dd2715552b7064dd4c61dc7b63640fbde58 |
| SHA1 hash: | 8495fd0110b642c66f49e3d30c543f5c730bc206 |
| MD5 hash: | bfa844f0be57643e3ebf11690e539a75 |
| humanhash: | leopard-six-east-kentucky |
| File name: | f3b2f1ec49bf6fbd4fe9e28fb28e526da4c7fce85ac95f835d3dc343b872075d |
| Download: | download sample |
| Signature | Cobalt Strike |
| File size: | 8'063'016 bytes |
| First seen: | 2024-10-17 07:06:42 UTC |
| Last seen: | 2024-10-17 07:39:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 68496f0ecf5dcf9ad868bebe595b3bbb (1 x Cobalt Strike) |
| ssdeep | 49152:u/byhpYcDbYtlxFbY2zU6AoF01ms886E4xkkrtCMcrY0Eqh88RwTAJx6ZXdl71KB:eyoaZl3sqbwEJOfcOm4ZW |
| TLSH | T18F869D13E9946AF4D4ABCA34812F63317B317A9DD7108BB30A75C3716F52291EF0BA58 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| Reporter |  JAMESWT_WT |
| Tags: | Cobalt Strike exe img-bilibili-buzz |
Intelligence
File Origin
# of uploads :
2
# of downloads :
362
Origin country :
ITVendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
f3b2f1ec49bf6fbd4fe9e28fb28e526da4c7fce85ac95f835d3dc343b872075d
Verdict:
Malicious activity
Analysis date:
2024-10-14 10:32:06 UTC
Tags:
xor-url cobaltstrike generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
97.4%
Tags:
Cobaltstrike Cobalt
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug cobaltstrike crypt32 crypto invalid-signature lolbin obfuscated overlay packed remote signed
Verdict:
Malicious
Labled as:
Trojan.Generic
Result
Verdict:
UNKNOWN
Verdict:
Suspicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Score:
62%
Verdict:
Susipicious
File Type:
PE
Threat name:
Win64.Backdoor.Cobeacon
Status:
Malicious
First seen:
2024-10-14 10:32:07 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious use of WriteProcessMemory
Cobaltstrike
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f3b2f1ec49bf6fbd4fe9e28fb28e526da4c7fce85ac95f835d3dc343b872075d
MD5 hash:
bfa844f0be57643e3ebf11690e539a75
SHA1 hash:
8495fd0110b642c66f49e3d30c543f5c730bc206
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | command_and_control |
|---|---|
| Author: | CD_R0M_ |
| Description: | This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group |
| Rule name: | ldpreload |
|---|---|
| Author: | xorseed |
| Reference: | https://stuff.rop.io/ |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | reverse_http |
|---|---|
| Author: | CD_R0M_ |
| Description: | Identify strings with http reversed (ptth) |
| Rule name: | Rustyloader_mem_loose |
|---|---|
| Author: | James_inthe_box |
| Description: | Corroded buerloader |
| Reference: | https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24 |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SS_API | Uses SS API | secur32.dll::AcceptSecurityContext secur32.dll::AcquireCredentialsHandleA secur32.dll::ApplyControlToken secur32.dll::DecryptMessage secur32.dll::DeleteSecurityContext secur32.dll::QueryContextAttributesW |
| WIN32_PROCESS_API | Can Create Process and Threads | kernel32.dll::CreateProcessW advapi32.dll::OpenProcessToken kernel32.dll::CloseHandle kernel32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | kernel32.dll::TerminateProcess kernel32.dll::LoadLibraryExW kernel32.dll::GetSystemInfo kernel32.dll::GetStartupInfoA kernel32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | kernel32.dll::WriteConsoleW kernel32.dll::FreeConsole kernel32.dll::ReadConsoleW kernel32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | kernel32.dll::CopyFileExW kernel32.dll::CreateDirectoryW kernel32.dll::CreateHardLinkW kernel32.dll::CreateFileMappingA kernel32.dll::CreateFileW ntdll.dll::NtCreateFile |
| WIN_BCRYPT_API | Can Encrypt Files | bcrypt.dll::BCryptGenRandom |
| WIN_CRYPT_API | Uses Windows Crypt API | crypt32.dll::CertAddCertificateContextToStore crypt32.dll::CertAddEncodedCertificateToStore crypt32.dll::CertDeleteCertificateFromStore crypt32.dll::CertDuplicateCertificateChain crypt32.dll::CertDuplicateCertificateContext crypt32.dll::CertDuplicateStore |
| WIN_REG_API | Can Manipulate Windows Registry | advapi32.dll::RegOpenKeyExW advapi32.dll::RegQueryInfoKeyW advapi32.dll::RegQueryValueExW |
| WIN_SOCK_API | Uses Network to send and receive data | ws2_32.dll::accept ws2_32.dll::bind ws2_32.dll::closesocket ws2_32.dll::connect ws2_32.dll::freeaddrinfo ws2_32.dll::getaddrinfo |
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