MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4def22c51fea8c4114321733ca506efced17ea426f1c5a518905a93f6c20fa34. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments 1

SHA256 hash: 4def22c51fea8c4114321733ca506efced17ea426f1c5a518905a93f6c20fa34
SHA3-384 hash: c5c0eafcb424aec29fd2eaf960d2cd1de0aebe4346f6a8260d2712cf00f3e229b492de2b81873dc3f809d638c3cd5aa1
SHA1 hash: 8d82a1882e40d797afc6af7b1d63cc67c40bbfdd
MD5 hash: 64d9a7da3f1aa599a9656fb0894fabeb
humanhash: louisiana-artist-colorado-neptune
File name:64d9a7da3f1aa599a9656fb0894fabeb
Download: download sample
Signature CobaltStrike
File size:328'704 bytes
First seen:2024-07-04 06:32:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 6144:6ENa/XG/HRL/j6FuzgOHpWvzdy21lT5PlTCE7DK1jX:YGZLyZ55P9CE7
TLSH T1B664BF85C76E9638C0E27DB44BE4AC39A7242D8F7F695E22277FCACC371941591C0B92
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 CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
351
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
4def22c51fea8c4114321733ca506efced17ea426f1c5a518905a93f6c20fa34.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 06:35:25 UTC
Tags:
cobaltstrike

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
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
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 submitted file
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:
2024-07-03 19:47:09 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
4def22c51fea8c4114321733ca506efced17ea426f1c5a518905a93f6c20fa34
MD5 hash:
64d9a7da3f1aa599a9656fb0894fabeb
SHA1 hash:
8d82a1882e40d797afc6af7b1d63cc67c40bbfdd
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: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

CobaltStrike

Executable exe 4def22c51fea8c4114321733ca506efced17ea426f1c5a518905a93f6c20fa34

(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



Avatar
zbet commented on 2024-07-04 06:32:40 UTC

url : hxxp://89.197.154.116/UtilityR.exe