MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 65fa4b4c8ba39ca1e2e853cf6bccf1737cc350e362d9ff7bb04dc0dae75a103f. 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: 17
| SHA256 hash: | 65fa4b4c8ba39ca1e2e853cf6bccf1737cc350e362d9ff7bb04dc0dae75a103f |
|---|---|
| SHA3-384 hash: | c9186b5b260ea92c9f6251c672f4df7ab18fe5f697a6f6da1efa958c45433fd0c8f4082d5f1fddf6e35aad0346292240 |
| SHA1 hash: | 5d07d9e8172869c875d600b3acb1e338b0d6ad0f |
| MD5 hash: | 1b0f8cd0a0f9788b131ccf3f2a6d6d9b |
| humanhash: | mississippi-princess-diet-lake |
| File name: | 1b0f8cd0a0f9788b131ccf3f2a6d6d9b |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 328'704 bytes |
| First seen: | 2024-07-04 06:37:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike) |
| ssdeep | 6144:Y49rXX74t6rT54PGBeOLmH0ExkrZaFdPxutsJ9zxwuRg+BQa3JDLK:lA6/NYOiHhxSI1xuts2uK+Bf |
| TLSH | T1FB64AE00CB4DF1DBE49C22F874A996133F23357BC9EB539280FB482D226C6A65DDD964 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10523/12/4) 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) |
| Reporter |  zbetcheckin |
| Tags: | 64 Cobalt Strike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
364
Origin country :
FRVendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
65fa4b4c8ba39ca1e2e853cf6bccf1737cc350e362d9ff7bb04dc0dae75a103f.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 06:40:56 UTC
Tags:
cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
Tags:
Network Stealth Heur
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Connection attempt
Verdict:
Malicious
Labled as:
Tedy.Generic
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.
Malware family:
Cobalt Strike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (creates a PE file in dynamic memory)
Found API chain indicative of debugger detection
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
cobaltstrike
Threat name:
Win64.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2024-07-03 19:47:09 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
65fa4b4c8ba39ca1e2e853cf6bccf1737cc350e362d9ff7bb04dc0dae75a103f
MD5 hash:
1b0f8cd0a0f9788b131ccf3f2a6d6d9b
SHA1 hash:
5d07d9e8172869c875d600b3acb1e338b0d6ad0f
Malware family:
CobaltStrike
Verdict:
Malicious
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: | Windows_Trojan_CobaltStrike_7f8da98a |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_cobaltstrike_pipe_strings_nov_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects default strings related to cobalt strike named pipes |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::GetStartupInfoA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileA |
Comments
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