MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 eb86c3f0afa27791f60270fdb97b4eed295b31735b6fb45c37a6503d0bf3511d. 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
| SHA256 hash: | eb86c3f0afa27791f60270fdb97b4eed295b31735b6fb45c37a6503d0bf3511d |
|---|---|
| SHA3-384 hash: | 56250e24163ecf3afb5ca055aa3d2ec68511d487842d4656cec55445ad82f3e3f18f538f58e5138f7fbbfe9413a4fcf4 |
| SHA1 hash: | d9c8f8ff87a5167cf6a3b476964154b01caa9ddb |
| MD5 hash: | 1bc12c94d44c3be938d8e60a6709daff |
| humanhash: | quebec-blue-vermont-fix |
| File name: | KaseyaFix2.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 561'152 bytes |
| First seen: | 2021-07-13 13:29:10 UTC |
| Last seen: | 2021-07-13 14:48:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9c42f19388d9cdd246ee9e3dd241d9cf (4 x CobaltStrike) |
| ssdeep | 6144:RMT9b2lNpjk4ldH1uOs5C8IkEB+y0tO4uHxoPjMdvNZRhu7Dpr2AuTVUC:STYpjkmJk1dEBoPCxI2zju7Dpr2AuTZ |
| Threatray | 358 similar samples on MalwareBazaar |
| TLSH | T1FAC48CDFC8750158FD6DDE3802B22CAA653F6EA6BA68F40DA910B41206734F634F3957 |
| Reporter | Anonymous |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
499
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/863045358128726019/864070996838187008/KaseyaFix.exe
Verdict:
Malicious activity
Analysis date:
2021-07-12 14:06:33 UTC
Tags:
trojan cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DridexV4
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.
Malware family:
CobaltStrike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect virtualization through RDTSC time measurements
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2021-07-12 15:14:04 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
19 of 29 (65.52%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 348 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://185.156.172.76:80/ca
Unpacked files
SH256 hash:
4f858d1325b643f46d4025ea65022af0bb3cdc6ba5552b65cd9537ac54f67098
MD5 hash:
07d0a58cb60ebfa3cb1ecf274cfb9d1b
SHA1 hash:
ce5e8e621706a8fc867ebfc4c6d261c8a67106a1
SH256 hash:
fd7687705bd646ecf7db07492350a0b7ecfcfdd17d513a9b6bee6618074acc0e
MD5 hash:
af222ff9f6f84473902d46b2ddcd781e
SHA1 hash:
65771bafc33a7c0d8e411eef5a22ce6ca0040871
SH256 hash:
eb86c3f0afa27791f60270fdb97b4eed295b31735b6fb45c37a6503d0bf3511d
MD5 hash:
1bc12c94d44c3be938d8e60a6709daff
SHA1 hash:
d9c8f8ff87a5167cf6a3b476964154b01caa9ddb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| 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: | CobaltStrikeBeacon |
|---|---|
| Author: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| 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: | CS_beacon |
|---|---|
| Author: | Etienne Maynier tek@randhome.io |
| Rule name: | DridexV4 |
|---|---|
| Author: | kevoreilly |
| Description: | Dridex v4 Payload |
| 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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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: | MALWARE_Win_CobaltStrike |
|---|---|
| Author: | ditekSHen |
| Description: | CobaltStrike payload |
| Rule name: | PowerShell_Susp_Parameter_Combo |
|---|---|
| Author: | Florian Roth |
| Description: | Detects PowerShell invocation with suspicious parameters |
| Reference: | https://goo.gl/uAic1X |
| 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: | 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
Distributed via e-mail link
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