MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13cd411c6ed34b1d22b9e5de97ab07c27fcfa092c8f1cd33ffc90cd9172da18a. 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 1 YARA 4 File information Comments

SHA256 hash: 13cd411c6ed34b1d22b9e5de97ab07c27fcfa092c8f1cd33ffc90cd9172da18a
SHA3-384 hash: af3761ad88a47deda88a84ed136d43b78b67ba9646f42cb2f16e9112f990bc88f16cea10c962e5b66686a33fe0202201
SHA1 hash: b6bc3789b57759f08d80075375cedd03c34e6517
MD5 hash: 28c9bc6eb53bca31746eb97fe3a2cc28
humanhash: item-happy-finch-west
File name:28c9bc6eb53bca31746eb97fe3a2cc28.exe
Download: download sample
Signature CobaltStrike
File size:19'456 bytes
First seen:2024-07-31 04:15:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep 192:CV7qaCF6Op1t2dobVXujRDcBaXWQjwOT/2KUNeY48FWF8qa1Dojjgi:MqaCF31cix+Dc4zjMeYfoFF46gi
TLSH T13592DA3FE71358E9C506D57845FF3732DCB139B386B6A31E2724D2B42E105A42EAEA10
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 abuse_ch
Tags:CobaltStrike exe


Avatar
abuse_ch
CobaltStrike C2:
101.43.103.253:8080

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
101.43.103.253:8080 https://threatfox.abuse.ch/ioc/1303430/

Intelligence


File Origin
# of uploads :
1
# of downloads :
404
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
cobaltstrike
ID:
1
File name:
28c9bc6eb53bca31746eb97fe3a2cc28.exe
Verdict:
Malicious activity
Analysis date:
2024-07-31 04:15:44 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:
Infostealer Network Stealth Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cobalt cobaltstrike
Verdict:
Malicious
Labled as:
Backdoor_Win64_CobaltStrike_pz
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, Metasploit
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
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
Yara detected CobaltStrike
Yara detected Metasploit Payload
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2024-07-27 13:02:00 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://101.43.103.253:8080/EMtW
Unpacked files
SH256 hash:
13cd411c6ed34b1d22b9e5de97ab07c27fcfa092c8f1cd33ffc90cd9172da18a
MD5 hash:
28c9bc6eb53bca31746eb97fe3a2cc28
SHA1 hash:
b6bc3789b57759f08d80075375cedd03c34e6517
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.

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