MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 42b23dafaf9df05efbacd78b76d24668a1c74b8d6fb7695ecf871532a8bd2f4e. 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: 14
| SHA256 hash: | 42b23dafaf9df05efbacd78b76d24668a1c74b8d6fb7695ecf871532a8bd2f4e |
|---|---|
| SHA3-384 hash: | 2e92c2bc2cc588ae30aa6ffdb9d7d59a3438009e9629762016441f037fe86bd9954a10e175b785d897a43835cc5d3628 |
| SHA1 hash: | ce49043b12851b6513bb463461a298ac5fa8bae8 |
| MD5 hash: | b7229a3f36b3164bf2c9a6d292a21212 |
| humanhash: | zebra-maine-freddie-bulldog |
| File name: | SecuriteInfo.com.DeepScan.Generic.Exploit.Shellcode.2.20EE2887.6315.1383 |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 916'344 bytes |
| First seen: | 2022-09-28 05:00:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | bf3289a7c8f71f37a8a2bb507af7e3e2 (1 x CobaltStrike) |
| ssdeep | 24576:gVX6BPtd1pA9cf3dB2KTKK4KKDyK5FZ1EEEEmEEE1EEEEEEEEEEElKK1KKK1KKKB:GX6BPtd9FcKTKK4KKDyK5FZ1EEEEmEE1 |
| Threatray | 664 similar samples on MalwareBazaar |
| TLSH | T1F4156C256C62E680FBC17AF827D5E2F043361D221B25DAEF50B1B1782B761F3C6315A6 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10523/12/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4505/5/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| File icon (PE): |  |
| dhash icon | c488b8f0e2b692cc (2 x CobaltStrike, 1 x ValleyRAT) |
| Reporter |  SecuriteInfoCom |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
636
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending an HTTP GET request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
GetTempPath
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware overlay 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, ReflectiveLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 ReflectiveLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.CobaltStrikeBeacon
Status:
Malicious
First seen:
2022-09-27 02:47:53 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
13 of 26 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 654 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Cobaltstrike
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
38716e509d9590a5d65a751f62d006ace1d6479f3ebcd7a4cbde20549fcc060d
MD5 hash:
819808178e2c9e52b07ebd1bc907d5b7
SHA1 hash:
d762f9b522aba39decb5c0c6de28c1da32c98f41
Detections:
cobaltstrike_xor_config
win_cobalt_strike_auto
SH256 hash:
42b23dafaf9df05efbacd78b76d24668a1c74b8d6fb7695ecf871532a8bd2f4e
MD5 hash:
b7229a3f36b3164bf2c9a6d292a21212
SHA1 hash:
ce49043b12851b6513bb463461a298ac5fa8bae8
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: | Cobaltstrike3 |
|---|---|
| Author: | Ahmet Payaslioglu | Binalyze DFIR LAB |
| Description: | Cobalt Strike Detection |
| Rule name: | CobaltStrikeBeacon |
|---|---|
| Author: | ditekshen, enzo & Elastic |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_XOR_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| Rule name: | CobaltStrike_ReflectiveLoader_RID3297 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) |
| Reference: | http://www.clearskysec.com/tulip |
| Rule name: | CobaltStrike_Unmodifed_Beacon |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects unmodified CobaltStrike beacon DLL |
| Rule name: | crime_win32_csbeacon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Cobalt Strike loader |
| Reference: | https://twitter.com/VK_Intel/status/1239632822358474753 |
| Rule name: | CS_beacon |
|---|---|
| Author: | Etienne Maynier tek@randhome.io |
| Rule name: | HKTL_CobaltStrike_Beacon_Strings |
|---|---|
| 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_Meterpreter_inMemory |
|---|---|
| Author: | netbiosX, Florian Roth |
| Description: | Detects Meterpreter in-memory |
| Reference: | https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/ |
| Rule name: | HKTL_Win_CobaltStrike |
|---|---|
| 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: | INDICATOR_SUSPICIOUS_ReflectiveLoader |
|---|---|
| Author: | ditekSHen |
| Description: | detects Reflective DLL injection artifacts |
| Rule name: | malware_CobaltStrike_v3v4 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect CobaltStrike Beacon in memory |
| Reference: | https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_peb_parsing |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| Rule name: | ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| Description: | Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | Trojan_Raw_Generic_4 |
|---|---|
| Author: | FireEye |
| Reference: | https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html |
| Rule name: | WiltedTulip_ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip |
| Reference: | http://www.clearskysec.com/tulip |
| Rule name: | win_cobalt_strike_auto |
|---|---|
| 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
Delivery method
Distributed via web download
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