MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65c9806619e03488c8668a9e06896d2b27dff8fd3c07aa9d4e5383d094eab9ab. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments

SHA256 hash: 65c9806619e03488c8668a9e06896d2b27dff8fd3c07aa9d4e5383d094eab9ab
SHA3-384 hash: 0b20dab12ee3353f6692348c09aa9fef75ae72619f9436398d7fbaf43738adfe18facaccda92a2100970d9608d749427
SHA1 hash: 5ea7485d59cd79e3b5d9de21cc2aeadcc1886f6e
MD5 hash: a4a60e32d532e8a394cd46be505a51ce
humanhash: avocado-kitten-washington-carpet
File name:65c9806619e03488c8668a9e06896d2b27dff8fd3c07aa9d4e5383d094eab9ab
Download: download sample
Signature CobaltStrike
File size:16'692'840 bytes
First seen:2022-06-14 12:02:50 UTC
Last seen:2022-06-14 12:47:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 11fc30741547c56b809acdb0c6e7875e (1 x CobaltStrike)
ssdeep 196608:Dl7/jnfIm/+P2KxUxyUd3et9JT+4qCHVrXsyvmagdYhJPODt7ArVQjnLbqVe:VIRUUixlQV4wm4Aeqvbqc
TLSH T190F6CF29F6419837D4231A34C817B2E9652ABE342F3C1997F7E42F0CAB78AD37534196
TrID 62.2% (.EXE) InstallShield setup (43053/19/16)
15.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.EXE) Win32 Executable (generic) (4505/5/1)
4.3% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
2.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 41665d51e1c5c460 (2 x CobaltStrike, 1 x ValleyRAT)
Reporter JAMESWT_WT
Tags:CobaltStrike exe signed SPIDER DEVELOPMENTS PTY LTD

Code Signing Certificate

Organisation:SPIDER DEVELOPMENTS PTY LTD
Issuer:Go Daddy Secure Certificate Authority - G2
Algorithm:sha256WithRSAEncryption
Valid from:2020-09-23T02:07:53Z
Valid to:2022-09-22T11:44:25Z
Serial number: dbc03ca7e6ae6db6
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: e059776cb5e640569a06c2548e87af5bd655f5d4815b8f6e9482835455930987
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
673
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MobaXterm.exe
Verdict:
Suspicious activity
Analysis date:
2022-06-14 09:51:20 UTC
Tags:
installer

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending an HTTP GET request
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cobalt greyware keylogger overlay packed wacatac
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.
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
troj
Score:
32 / 100
Signature
Antivirus detection for URL or domain
Contains VNC / remote desktop functionality (version string found)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2022-06-13 00:30:52 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
3 of 26 (11.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor suricata trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Cobaltstrike
suricata: ET MALWARE Cobalt Strike Malleable C2 (Meterpreter)
Unpacked files
SH256 hash:
65c9806619e03488c8668a9e06896d2b27dff8fd3c07aa9d4e5383d094eab9ab
MD5 hash:
a4a60e32d532e8a394cd46be505a51ce
SHA1 hash:
5ea7485d59cd79e3b5d9de21cc2aeadcc1886f6e
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
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: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_beacon
Author:JPCERT/CC Incident Response Group
Description:CobaltStrike encoding code
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: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

File information


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

Comments