MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c87ca8e27e058e4cdbb5d5de6bf2c3be01791f2cc3ec1b4452d867bf2f73cd17. 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: 13
| SHA256 hash: | c87ca8e27e058e4cdbb5d5de6bf2c3be01791f2cc3ec1b4452d867bf2f73cd17 |
|---|---|
| SHA3-384 hash: | 80177fd7ca3a1490705ae693a3bc422d1178503ce398af225be12f4d87e876e9a3659e11d162396d0ef6d2ff61725b88 |
| SHA1 hash: | 1d2d32031c0e154157bca43e533e60a78de79d50 |
| MD5 hash: | 83033e134c3a1808a32848a9adab042e |
| humanhash: | five-maine-eight-steak |
| File name: | CZ1jiJZI1L |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 324'264 bytes |
| First seen: | 2021-06-21 22:42:04 UTC |
| Last seen: | 2021-06-21 23:47:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 438bece8c96b99d017141b3f95b86408 (16 x CobaltStrike) |
| ssdeep | 6144:j1cQ7Z6QNqj1aO5Fm75Aeu9J5wjDcROFXnz4jtm7rNLt:BcQ7tN6aO3m75/u9wHCsXz4pm7rf |
| Threatray | 303 similar samples on MalwareBazaar |
| TLSH | 5164C30AEA4B4176C7FDD3BC506DB53BC85A0E09A9F337C537B29061D69061B6CEB206 |
| Reporter |  bigmacjpg |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
4
# of downloads :
487
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CZ1jiJZI1L
Verdict:
Malicious activity
Analysis date:
2021-06-21 22:42:55 UTC
Tags:
trojan cobaltstrike
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrike
Detection(s):
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
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Detection:
cobaltstrike
Threat name:
Win32.PUA.Wacapew
Status:
Malicious
First seen:
2021-06-21 22:42:12 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 293 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor cryptone packer trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://5.39.222.87:80/push
Unpacked files
SH256 hash:
cdd8a9b246ea6c4322734cae3974f9406268f9950ec3be9810a560c120e97b9c
MD5 hash:
7aaba0926a06a3b35562699515201326
SHA1 hash:
1455b7cc8e64de23cb43922ce967939277094572
Detections:
win_cobalt_strike_auto
Parent samples :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 hash:
09b049459cbb91820f71c8223eb246b374306a8ec8afe1e225bb13a018c76b08
MD5 hash:
4afb1cb142c5d20284a88a6f874f09c1
SHA1 hash:
8cc93a67b0d846e94b3aecd1ea7be6e7896e9154
SH256 hash:
c87ca8e27e058e4cdbb5d5de6bf2c3be01791f2cc3ec1b4452d867bf2f73cd17
MD5 hash:
83033e134c3a1808a32848a9adab042e
SHA1 hash:
1d2d32031c0e154157bca43e533e60a78de79d50
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.83
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: | 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: | 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: | Trojan_Win_Generic_101 |
|---|---|
| Author: | FireEye |
| Description: | Detects FireEye Windows trojan |
| 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: | 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.
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