MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b5da6fc2334aa8570f9da7177e392580cd6619431c300ba41d197641dde082ab. 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: 8
| SHA256 hash: | b5da6fc2334aa8570f9da7177e392580cd6619431c300ba41d197641dde082ab |
|---|---|
| SHA3-384 hash: | 378d13e3cb4d60a0561a40c20cee8a1246d7f81c1334e71bafcbd1e553bce18030d47f4c8d058f5105b24d15a0868859 |
| SHA1 hash: | b70a37e19cefee1fcd33b69f0b18f1cb72494495 |
| MD5 hash: | 0de2dcbf6c7421db4f9b14ec8d84023b |
| humanhash: | fillet-saturn-king-coffee |
| File name: | b5da6fc2334aa8570f9da7177e392580cd6619431c300ba41d197641dde082ab |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 288'768 bytes |
| First seen: | 2020-11-15 23:09:50 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | a05937afc81200fe93850dfaf05de554 (4 x CobaltStrike) |
| ssdeep | 3072:69CJg1usvorqVhVw71RSLf6v5Upv8mhQpnvX0x9Evx+ur8gpFZLUHvb7fb4Hb680:6sfEFU7Yivmh8mhWnvk8J+q8/7MR |
| Threatray | 251 similar samples on MalwareBazaar |
| TLSH | FF54D04B8B6A2BCCE71292B55F5227F868C14F1B8324992DD1854D025D8C0BF678EFDB |
| Reporter |  seifreed |
| Tags: | CobaltStrike |
Intelligence
File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
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:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2020-11-15 23:13:19 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 241 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
cf806fc298661faa68558a6420fcb60a3f27bd90abde77ad20150d34853187d7
MD5 hash:
65903f005153092a752efff34a7bbae7
SHA1 hash:
ba23486a6a7da0c55875f2a23a334cbb1afbde5e
Detections:
win_cobalt_strike_auto
SH256 hash:
b5da6fc2334aa8570f9da7177e392580cd6619431c300ba41d197641dde082ab
MD5 hash:
0de2dcbf6c7421db4f9b14ec8d84023b
SHA1 hash:
b70a37e19cefee1fcd33b69f0b18f1cb72494495
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: | APT_CobaltStrike_Beacon_Indicator |
|---|---|
| Author: | JPCERT |
| Description: | Detects CobaltStrike beacons |
| Reference: | https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py |
| Rule name: | Beacon_K5om |
|---|---|
| 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: | CobaltStrike |
|---|---|
| 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: | CobaltStrikeBeacon |
|---|---|
| Author: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| Rule name: | crime_win32_csbeacon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Cobalt Strike loader |
| Reference: | https://twitter.com/VK_Intel/status/1239632822358474753 |
| Rule name: | Leviathan_CobaltStrike_Sample_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Cobalt Strike sample from Leviathan report |
| Reference: | https://goo.gl/MZ7dRg |
| Rule name: | Malware_QA_vqgk |
|---|---|
| Author: | Florian Roth |
| Description: | VT Research QA uploaded malware - file vqgk.dll |
| Reference: | VT Research QA |
| Rule name: | MALW_cobaltrike |
|---|---|
| Author: | Marc Rivero | McAfee ATR Team |
| Description: | Rule to detect CobaltStrike beacon |
| Rule name: | PowerShell_Susp_Parameter_Combo |
|---|---|
| Author: | Florian Roth |
| Description: | Detects PowerShell invocation with suspicious parameters |
| Reference: | https://goo.gl/uAic1X |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| 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: | 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.
Delivery method
Other
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