MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7920fb3873012f1abef8c2abfb905e53317595874985f24b23fb318b54b1e243. 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 18 File information Comments

SHA256 hash: 7920fb3873012f1abef8c2abfb905e53317595874985f24b23fb318b54b1e243
SHA3-384 hash: fd9e9667407ebe80b837d86d3c509fc07da5285ef39b069cba8a5be9b58ba1165e3e9a93c93071c79e36d4a18f9cdd2f
SHA1 hash: 4a2d82a4c5d5929736fc6b45cf470d7fad74180e
MD5 hash: 3f7bbc7494ea66b267b1aa428a519465
humanhash: texas-floor-cat-chicken
File name:7920fb3873012f1abef8c2abfb905e53317595874985f24b23fb318b54b1e243.bin
Download: download sample
Signature CobaltStrike
File size:549'120 bytes
First seen:2021-10-27 09:00:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e1ac8a5e6ba80194317036344c87ed8 (1 x CobaltStrike)
ssdeep 12288:CHWfljeqszyna7vj+GHrdGZdvLVU+PlyfvxOu2KXPlrH:n0Sna7L1rd8VUMl+5flrH
Threatray 1'573 similar samples on MalwareBazaar
TLSH T140C4BE46B7A44CF5E8779139C9A3868AEBB2FC114B31D34B52A0576F2F337A05D29312
File icon (PE):PE icon
dhash icon 71b119dcce576333 (3'570 x Heodo, 203 x TrickBot, 19 x Gh0stRAT)
Reporter JAMESWT_WT
Tags:CB CAM SP Z O O CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
527
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
cobalt greyware overlay packed
Result
Verdict:
UNKNOWN
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:
CobaltStrike
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-10-25 21:10:53 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 backdoor trojan
Behaviour
Suspicious use of SetWindowsHookEx
Cobaltstrike
Malware Config
C2 Extraction:
http://tarentamar.com:80/access/
Unpacked files
SH256 hash:
7920fb3873012f1abef8c2abfb905e53317595874985f24b23fb318b54b1e243
MD5 hash:
3f7bbc7494ea66b267b1aa428a519465
SHA1 hash:
4a2d82a4c5d5929736fc6b45cf470d7fad74180e
Malware family:
Cobalt Strike
Verdict:
Malicious
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:Cobaltbaltstrike_Beacon_x64
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
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_MZ_Launcher
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CS_beacon
Author:Etienne Maynier tek@randhome.io
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
Author:Elastic
Description:Identifies deobfuscation routine used in Cobalt Strike Beacon DLL version 4.2
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
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:MALW_cobaltrike
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: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 XORed keyword - Mozilla/5.0
Reference:Internal Research
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:win_cobalt_strike_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.
Rule name:XOREngine_Misc_XOR_Func
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.

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