MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b735bf8a33209f968ae46a4f632bc07bff6ea83f66130934365b5be363657fd4. 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: 10
| SHA256 hash: | b735bf8a33209f968ae46a4f632bc07bff6ea83f66130934365b5be363657fd4 |
|---|---|
| SHA3-384 hash: | 1f168cb3e18a4ef9d5d573623d3884afe7614385b16b8ac76ce1b6d43034e5a4aa54da3fc16cb6538210da8991729201 |
| SHA1 hash: | a53c33779e705674531c5bf7af547e54107282f4 |
| MD5 hash: | fd3f386397ab9f626b2888e40a7998c9 |
| humanhash: | pasta-red-foxtrot-leopard |
| File name: | fd3f386397ab9f626b2888e40a7998c9.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 6'422'016 bytes |
| First seen: | 2021-07-27 07:43:19 UTC |
| Last seen: | 2021-07-27 08:46:15 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 93a138801d9601e4c36e6274c8b9d111 (11 x CobaltStrike, 9 x Snatch, 8 x LaplasClipper) |
| ssdeep | 98304:4WfpNGBkh9DALtSl8+E5kTq+AvulpwCGu9+I/i6IqBxO:4WhNG+h9DAol8+LVIxu64 |
| Threatray | 1'195 similar samples on MalwareBazaar |
| TLSH | T169567D13F8AA24F6C6FEE13085619322BA71386943313BD35FD4967A5666FE47A3D300 |
| Reporter |  abuse_ch |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
493
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fd3f386397ab9f626b2888e40a7998c9.exe
Verdict:
No threats detected
Analysis date:
2021-07-27 07:46:54 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Sending a custom TCP 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.
Malware family:
CobaltStrike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Trojan.Rozena
Status:
Malicious
First seen:
2021-07-26 14:05:36 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 1'185 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:305419896 backdoor trojan
Behaviour
GoLang User-Agent
Cobaltstrike
Malware Config
C2 Extraction:
http://103.72.4.166:8443/images/logo_max.png
http://103.72.4.166:8443/images/logo.png
http://103.72.4.166:8443/images/logo.png
Unpacked files
SH256 hash:
b735bf8a33209f968ae46a4f632bc07bff6ea83f66130934365b5be363657fd4
MD5 hash:
fd3f386397ab9f626b2888e40a7998c9
SHA1 hash:
a53c33779e705674531c5bf7af547e54107282f4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CobaltStrike
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: | GoBinTest |
|---|
| Rule name: | golang |
|---|
| 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: | Marc Rivero | McAfee ATR Team |
| Description: | Rule to detect CobaltStrike beacon |
| 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: | win_cobalt_strike_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.cobalt_strike. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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