MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604. 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


Intelligence 17 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604
SHA3-384 hash: dba8c51e5c9fc03d55d664b36356b921478e17c4d0249c7b3544abe9ac3537e22800c2d344559fc669c3f64b1a0c83fe
SHA1 hash: 989a98918ab81564e70b095017f3bb526794b9f9
MD5 hash: 4748c440bf92558fc8e9ded78d7a12c5
humanhash: seven-mockingbird-aspen-thirteen
File name:SecuriteInfo.com.Trojan.GenericKDS.61303729.18271.19825
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:766'464 bytes
First seen:2025-08-06 13:36:37 UTC
Last seen:2025-08-06 14:21:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9d8505fcce16e982e02887ed7f3f4042 (1 x CobaltStrike)
ssdeep 12288:oxXBBzsNJmv98k/SrtdUHdPAmcpgpbmEpthaiVQzUYU8VFD:gX3zQC9ZSrtdYdtcpk7pthdywYd
Threatray 680 similar samples on MalwareBazaar
TLSH T1CDF4E127F64494FCD01BC07492168A727673BCA50B295AFF12D432352E3AAF22F39B55
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10522/11/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 1a3ae6ea62f6cefa (7 x SnakeKeylogger, 2 x RustyStealer, 1 x NanoCore)
Reporter SecuriteInfoCom
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
cobaltstrike
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.GenericKDS.61303729.18271.19825
Verdict:
Malicious activity
Analysis date:
2025-08-06 13:38:42 UTC
Tags:
cobaltstrike rust
Link:
https://app.any.run/tasks/34330fd7-05a6-4b54-9d40-0b69ed54eeaa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19254/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDS.61303729.18271.19825.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68935a971e8a59ee04e67397
Tags:
ransomware emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt to an infection source
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm microsoft_visual_cc obfuscated packed packed packer_detected threat
Link:
https://www.filescan.io/uploads/68935a98167d60d98ab5c4a6/reports/b975a412-c216-4926-81ec-43170494c966/overview
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604
Malware family:
Cobalt Strike
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d4983a3-2fc7-4f6d-b04e-497ef6eb345e
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604
Gathering data
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604/
Threat name:
Win64.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2025-08-06 12:46:11 UTC
File Type:
PE+ (Exe)
Extracted files:
17
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fx4ywyr43aarv4gwbgdz53576y2ld742gzlg3ypzrmzucgifyyca._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604
CobaltStrike
720cb1059ddb3f22ab73de1b5730b3f491bdaa168c727f7cd85b76594b3003a1
CobaltStrike
858858c6e4d72ae3e369d5da8b37283be5425c2c271bb23929a6cc080452f9f9
CobaltStrike
e43d6309199e04b80a93fb0ccc44545c42fca0627d50496f356d01cd552061ec
CobaltStrike
ef4104e60bec9b76c4c170463700002f2fb0d7098fc0a5bd1e2947787b5319c0
CobaltStrike
error
CobaltStrike
+ 670 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250806-qwy4ja1n13/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2d09d4b7-9a9b-4f16-bfc7-5817d0881256
Unpacked files
SH256 hash:
2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604
MD5 hash:
4748c440bf92558fc8e9ded78d7a12c5
SHA1 hash:
989a98918ab81564e70b095017f3bb526794b9f9
Link:
https://www.unpac.me/results/9da115f9-d2e5-4691-8689-3098b8f2b20a/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2df98b623cd8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604

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:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_MZ_Launcher
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:cobalt_strike_beacon_decrypted
Create hunting rule
Author:0x0d4y
Description:This rule detects cobalt strike decrypted beacons.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HKTL_CobaltStrike_Beacon_Strings
Create hunting rule
Author:Elastic
Description:Identifies strings used in Cobalt Strike Beacon DLL
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_CobaltStrike_SleepMask_Jul22
Create hunting rule
Author:CodeX
Description:Detects static bytes in Cobalt Strike 4.5 sleep mask function that are not obfuscated
Reference:https://codex-7.gitbook.io/codexs-terminal-window/blue-team/detecting-cobalt-strike/sleep-mask-kit-iocs
Rule name:HKTL_Win_CobaltStrike
Create hunting rule
Author:threatintel@volexity.com
Description:The CobaltStrike malware family.
Reference:https://www.volexity.com/blog/2021/05/27/suspected-apt29-operation-launches-election-fraud-themed-phishing-campaigns/
Rule name:MALW_cobaltrike
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Rule to detect CobaltStrike beacon
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_CobaltStrike_1787eef5
Create hunting rule
Author:Elastic Security
Description:CS shellcode variants
Rule name:Windows_Trojan_CobaltStrike_3dc22d14
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_CobaltStrike_663fc95d
Create hunting rule
Author:Elastic Security
Description:Identifies CobaltStrike via unidentified function code
Rule name:win_cobalt_strike_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

CobaltStrike

Executable exe 2df98b623cd8011af0d609879eefbff634b1ff9a36566de1f98b33411905c604

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597569/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/19254/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::CreateFiber
KERNEL32.dll::TerminateProcess
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW

Comments