MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 87a74ec523b3f466e698f08721faa276448783f6f1a81a1679a8854668ac2427. 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
| SHA256 hash: | 87a74ec523b3f466e698f08721faa276448783f6f1a81a1679a8854668ac2427 |
|---|---|
| SHA3-384 hash: | 66a8702ea2b8dd289dcb75d9477545fe0a47343a06a0c0740711143fbea62de1dfd67f003690d9380e461a9f0bc37f7c |
| SHA1 hash: | ed887e9c54792100651863a106465010fe49ba64 |
| MD5 hash: | 5787cec7472fa58f053d7a30b435fc94 |
| humanhash: | oven-apart-twenty-stream |
| File name: | 87a74ec523b3f466e698f08721faa276448783f6f1a81a1679a8854668ac2427 |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 212'480 bytes |
| First seen: | 2020-11-10 07:53:03 UTC |
| Last seen: | 2024-07-24 18:25:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 199c3b2f92d728912bb206ea499d43f1 (179 x CobaltStrike) |
| ssdeep | 3072:sTJSxTZkYMfFB1pYxDd4g6Ekq2rK3sCKKEjeCCIeLFf6j5UL5/:sSlcghd4PHUsCKj/2LFCj2 |
| Threatray | 135 similar samples on MalwareBazaar |
| TLSH | 0D24A0917581C472C14A0075A64FCB7E9B79B8F459B4D487FB980EA89E722E3DB36303 |
| Reporter |  seifreed |
| Tags: | CobaltStrike |
Intelligence
File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
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.
Threat name:
Win32.PUA.CobaltStrikeBeacon
Status:
Malicious
First seen:
2020-11-10 07:55:37 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 125 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike
Behaviour
Suspicious use of WriteProcessMemory
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: | CobaltStrike_Sleep_Decoder_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike sleep_mask decoder |
| Rule name: | CobaltStrike_Unmodifed_Beacon |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects unmodified CobaltStrike beacon DLL |
| Rule name: | crime_win32_csbeacon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Cobalt Strike loader |
| Reference: | https://twitter.com/VK_Intel/status/1239632822358474753 |
| 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: | 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: | ReflectiveLoader |
|---|---|
| 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: | 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.
Delivery method
Other
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