MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 984265f2a1df743a585b3ed1aa138080dbc0e27c66d2472d10a66c916739556c. 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: 7


Intelligence 7 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 984265f2a1df743a585b3ed1aa138080dbc0e27c66d2472d10a66c916739556c
SHA3-384 hash: 3d5b364a6774bb0cf57d35d6a4f2d87e56958abf7aa94ae921312213eeecb62a5812e1f1f02d511eeb8a56c12104292f
SHA1 hash: 7ad8ba14cb10c493c3dfb8d37779a86345572d38
MD5 hash: d89c813bf46d01f144a20592d371f0cc
humanhash: louisiana-golf-hawaii-connecticut
File name:d89c813bf46d01f144a20592d371f0cc.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:3'477'504 bytes
First seen:2021-06-20 08:09:58 UTC
Last seen:2021-06-20 08:49:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6ed4f5f04d62b18d96b26d6db7c18840 (270 x SalatStealer, 78 x BitRAT, 42 x RedLineStealer)
ssdeep 98304:T1yVjqcy7Vr5Xvdy3FBtCNG7Kmvh6BD1HRx2ZrCluDWtmf:ZyiTXY3mpmbpDYm
Threatray 960 similar samples on MalwareBazaar
TLSH C9F5336300567AAEF2825DB4070BF8E48D053A735FA4B9345C17DAB414339E6E6FD12B
Reporter abuse_ch
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
581
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d89c813bf46d01f144a20592d371f0cc.exe
Verdict:
No threats detected
Analysis date:
2021-06-20 08:12:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5a4ec67b-9f44-4aab-ba6f-7de068ae4c95

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/167157/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37043105.20448.4746.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06d5ebdc-5e9d-49e7-a831-378fab998d95
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/804875
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to download files via bitsadmin
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 437286 Sample: Tp4FrujNYL.exe Startdate: 20/06/2021 Architecture: WINDOWS Score: 100 31 date-flash.com 2->31 33 x1.i.lencr.org 2->33 39 Found malware configuration 2->39 41 Antivirus detection for URL or domain 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 5 other signatures 2->45 8 Tp4FrujNYL.exe 12 2->8         started        signatures3 process4 dnsIp5 35 103.72.4.166, 49741, 49748, 49750 IPTELECOM-AS-APIPTELECOMGlobalHK Malaysia 8->35 37 61.135.169.121, 49734, 80 CHINA169-BJChinaUnicomBeijingProvinceNetworkCN China 8->37 47 Tries to download files via bitsadmin 8->47 12 cmd.exe 1 8->12         started        15 cmd.exe 1 8->15         started        17 cmd.exe 1 8->17         started        signatures6 process7 signatures8 49 Tries to download files via bitsadmin 12->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 12->51 19 bitsadmin.exe 1 12->19         started        21 conhost.exe 12->21         started        23 conhost.exe 15->23         started        25 schtasks.exe 1 15->25         started        27 conhost.exe 17->27         started        29 schtasks.exe 1 17->29         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/984265f2a1df743a585b3ed1aa138080dbc0e27c66d2472d10a66c916739556c/
Threat name:
Win64.Trojan.Shelma
Create hunting rule
Status:
Malicious
First seen:
2021-06-05 16:20:50 UTC
AV detection:
21 of 46 (45.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbbgl4vb352duwc3h3i2ue4aqdn4byt4m3jeoliquzwjczzzkvwa._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
05815c1e6e37cf16bb24c456836069a7709df19505708d26f503ff46360001ba
CobaltStrike
18b056a1951f2e7c4ab96095d25e015da4e456493d0591c94584a9063c399025
CobaltStrike
260ebbf392498d00d767a5c5ba695e1a124057c1c01fff2ae76db7853fe4255b
CobaltStrike
4d71f1eab01045de9ae76ea248be7746bad70c12ad977eeb6e8f8e46bbce6395
CobaltStrike
87dca59ec3d55bcb1b05da564e5ce0a164ab633f1c46a18a97f72a30efff7388
CobaltStrike
9a7d2b2c96ee9b7b0ddc1665988d935a719f04cdb2b2dd331ec36aa4f6597506
CobaltStrike
9c3b7ba8d375f19993312a6ac20418e0d107d73b30d585e9ad3646e150ff7c5a
CobaltStrike
b3fd750484fca838813e814db7d6491fea36abe889787fb7cf3fb29d9d9f5429
CobaltStrike
d44d718c247b1664861f987b1725314f152e43e7c1da80b163f812e1b7c3fdb7
CobaltStrike
f8c94e76f4d756924bf929b32f85158bc81911ce4a606af67e37460405e0ad3f
CobaltStrike
+ 950 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:305419896 backdoor trojan upx
Link:
https://tria.ge/reports/210620-bq6swg29ne/
Behaviour
Creates scheduled task(s)
Download via BitsAdmin
GoLang User-Agent
Suspicious use of WriteProcessMemory
Cobaltstrike
Malware Config
C2 Extraction:
http://103.72.4.166:8443/images/logo_max.png
http://103.72.4.166:8443/images/logo.png
Unpacked files
SH256 hash:
984265f2a1df743a585b3ed1aa138080dbc0e27c66d2472d10a66c916739556c
MD5 hash:
d89c813bf46d01f144a20592d371f0cc
SHA1 hash:
7ad8ba14cb10c493c3dfb8d37779a86345572d38
Link:
https://www.unpac.me/results/441d1494-a14e-4097-a18f-2a21f5639491/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.36
Link:
https://yomi.yoroi.company/submissions/984265f2a1df743a585b3ed1aa138080dbc0e27c66d2472d10a66c916739556c

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:enzo
Description:Cobalt Strike Beacon Payload
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALW_cobaltrike
Create hunting rule
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:win_cobalt_strike_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

CobaltStrike

Executable exe 984265f2a1df743a585b3ed1aa138080dbc0e27c66d2472d10a66c916739556c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/167157/
  
URLhaus
https://urlhaus.abuse.ch/url/1381699/
  
Delivery method
Distributed via web download

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