MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1526175ef4385fbc4c71c8930b7a8d7b0367b2afc6565d53cd9edc0c8a6d444a. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 1526175ef4385fbc4c71c8930b7a8d7b0367b2afc6565d53cd9edc0c8a6d444a
SHA3-384 hash: 620f136466de416a94b101b2a751ea07f00238b55d3e90e95f7dd10f1abd8418f669d60274de137c5f68da2dde4dcc2c
SHA1 hash: e6112474d2c7aa6a31e6e5ba3fd928a5dd2d3afd
MD5 hash: 20cfd4b4f12dc4aae8971d7b95b870e2
humanhash: golf-triple-uniform-jig
File name:file
Download: download sample
Signature Cobalt Strike
File size:328'704 bytes
First seen:2024-09-20 13:47:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 6144:MaiefOpSSUVQZqStt/N5hN8Qqf9FBKmzzghp8xqghTnY0Dh:BfqbUVQZJtVDNDqVFBKmzzghp8xPY+
Threatray 598 similar samples on MalwareBazaar
TLSH T1C764BFB6797A2D6DC15FD1FBBD3095708F5DB1A794F306B0849AAF3B0688072C9E4029
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)
Magika pebin
Reporter jstrosch
Tags:Cobalt Strike exe X64


Avatar
jstrosch
Found at hxxp://89.197.154[.]116/Monitor.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
370
Origin country :
US US
Vendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 14:02:18 UTC
Tags:
cobaltstrike backdoor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Heur
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobalt config-extracted packed
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
Antivirus detection for URL or domain
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
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2024-09-18 21:08:56 UTC
File Type:
PE+ (Exe)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
1526175ef4385fbc4c71c8930b7a8d7b0367b2afc6565d53cd9edc0c8a6d444a
MD5 hash:
20cfd4b4f12dc4aae8971d7b95b870e2
SHA1 hash:
e6112474d2c7aa6a31e6e5ba3fd928a5dd2d3afd
Malware family:
CobaltStrike
Verdict:
Malicious
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:pe_detect_tls_callbacks
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

Cobalt Strike

Executable exe 1526175ef4385fbc4c71c8930b7a8d7b0367b2afc6565d53cd9edc0c8a6d444a

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments