MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0. 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: 11


Intelligence 11 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0
SHA3-384 hash: d69c02d041a99f6fdd91ee79325fb736f1b2104439149060349890110cd3987c9729c142502edf3361e54393e33a81d9
SHA1 hash: 98457ae5a859ce5623f5c6ca68a374bf9118dd40
MD5 hash: 300bd2c447ad9e271b60c7d36fe3cb7c
humanhash: tennis-paris-single-tennis
File name:0x000500000001e6db-162.dat
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:17'920 bytes
First seen:2022-02-28 16:09:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17b461a082950fc6332228572138b80c (121 x CobaltStrike, 2 x Cobalt Strike)
ssdeep 192:YDMAe4Ckj19RZZ6wpSfu1bKcq5uHj7khBDSeKNH4iCX0BUbOj6kxiY:YDMAoKz6WtKEj7aBDi3CkbAY
Threatray 297 similar samples on MalwareBazaar
TLSH T1ED82FB7EB642A4E9C127D178E9E92771ADF1702243EB171F1E78C6302E21978C5FD909
Reporter pr0xylife
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
640
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0.exe
Verdict:
No threats detected
Analysis date:
2022-02-28 16:20:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/67a2165e-a3b6-4490-8f75-a801794137c7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/245398/
Detection(s):
Win.Trojan.CobaltStrike-9044898-1
Create hunting rule

Win.Trojan.CobaltStrike-7899871-1
Create hunting rule

Win.Countermeasure.LoaderWinGeneric-9804845-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/7640/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CallSleep
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/621cf3f1dfdfa8501c6c3a31/reports/ab2a901c-9e98-47cc-b0ae-ecdcfbf9d75a/overview
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.
Gathering data
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947536
Signature
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 submitted file
Sigma detected: CobaltStrike Named Pipe
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0/
Threat name:
Win64.Backdoor.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2022-02-28 16:10:10 UTC
File Type:
PE+ (Exe)
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7t3qest65zgqixa637ruo5m5jz4ui2wzjg4wrqesnmgmkmwdlia._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
055672abeb2d5018279ea2ad039bfa752c1f8333c065e3830ba61b17a65f3731
CobaltStrike
2949aec1094a9ecaaef168ef50885e49226bb9b46e8c015b74bc98772ac340e6
CobaltStrike
2c75fcb1983a87e786ec745a20df2f2e508c294da40e956e0c46786005120a6c
CobaltStrike
5531524151fcf7af36ff08c7f4a1b00c2c8cd409c64ce0bc2fe022973ba16c0a
CobaltStrike
673d8268fd21825ca5f21d8b395cdcede7009b60e540cb36c46f5794626faefb
CobaltStrike
7bc0fdc6b2caf2175c49bfbf735c70e462424aa45cf5d193bd8788eddac08c8c
CobaltStrike
83653a93fc7d8cba1b6d9bcc7650a10b1b7f0c10ab2b1c112f9d1b7d37333051
CobaltStrike
9a7d2b2c96ee9b7b0ddc1665988d935a719f04cdb2b2dd331ec36aa4f6597506
CobaltStrike
a392f53396b31d45a8f8af623090a4e3065750cf725781000436c34b0e5683ea
CobaltStrike
+ 287 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 backdoor suricata trojan
Link:
https://tria.ge/reports/220228-tmdb9agaeq/
Behaviour
Cobaltstrike
suricata: ET MALWARE Cobalt Strike Beacon Observed
Malware Config
C2 Extraction:
http://52.15.81.204:80/mJRT
Unpacked files
SH256 hash:
2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0
MD5 hash:
300bd2c447ad9e271b60c7d36fe3cb7c
SHA1 hash:
98457ae5a859ce5623f5c6ca68a374bf9118dd40
Link:
https://www.unpac.me/results/17bfc12e-b112-429a-b805-895239ee545c/
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/2fe7b81253f7726822e0f6ff1a3bacea73ca2356ca4dcb460493586629961ad0

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:Beacon_K5om
Create hunting rule
Author:Florian Roth
Description:Detects Meterpreter Beacon - file K5om.dll
Reference:https://www.fireeye.com/blog/threat-research/2017/06/phished-at-the-request-of-counsel.html
Rule name:Beacon_K5om_RID2B14
Create hunting rule
Author:Florian Roth
Description:Detects Meterpreter Beacon - file K5om.dll
Reference:https://www.fireeye.com/blog/threat-research/2017/06/phished-at-the-request-of-counsel.html
Rule name:Cobaltbaltstrike_Beacon_x64
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_MZ_Launcher
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_ReflectiveLoader_RID3297
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:crime_win32_csbeacon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
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_Meterpreter_inMemory
Create hunting rule
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
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:INDICATOR_SUSPICIOUS_ReflectiveLoader
Create hunting rule
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Leviathan_CobaltStrike_Sample_1_RID3324
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:malware_CobaltStrike_v3v4
Create hunting rule
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:Malware_QA_vqgk
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
Create hunting rule
Author:ditekSHen
Description:CobaltStrike payload
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:PowerShell_Susp_Parameter_Combo
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:Trojan_Raw_Generic_4
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/245398/

Comments