MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 37cbb8074087f0640a259eab3e591cde1dc360d2288a6d9fbb92a5fb3c1b68ba. 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: | 37cbb8074087f0640a259eab3e591cde1dc360d2288a6d9fbb92a5fb3c1b68ba |
|---|---|
| SHA3-384 hash: | ba2f1d43bbb630f313f51051b8d3ef8374a0e7da5ae42af7e5135bcb0f7f68f682361b618dee37df5861c0703b13ab1c |
| SHA1 hash: | b0e962482c27beda13e87a7cb00b26b7ca7e2559 |
| MD5 hash: | 90aeb9022df2a96c7084513cdd72075a |
| humanhash: | bacon-salami-eighteen-mango |
| File name: | 90aeb9022df2a96c7084513cdd72075a.dll |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 284'160 bytes |
| First seen: | 2021-06-22 06:37:06 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | db502765cff159e5db66145a73cb6cd7 (7 x CobaltStrike) |
| ssdeep | 3072:xSEQw/mIOfSAAmLGGxR1pB0lxZ0J9FIRKmj8q2Jclf3tcwj:xSEQ8IXqOR3B0lxqJ9oK08q2+pCw |
| Threatray | 316 similar samples on MalwareBazaar |
| TLSH | 7E54CF65FC04CF08D00079FB9319D651392B365E78204ABE7BBA86C22AC737BB2175E5 |
| Reporter |  abuse_ch |
| Tags: | CobaltStrike dll |
Intelligence
File Origin
# of uploads :
1
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
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.
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: CobaltStrike Load by Rundll32
System process connects to network (likely due to code injection or exploit)
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.CobaltStrike
Status:
Malicious
First seen:
2021-06-22 00:48:00 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 306 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
37cbb8074087f0640a259eab3e591cde1dc360d2288a6d9fbb92a5fb3c1b68ba
MD5 hash:
90aeb9022df2a96c7084513cdd72075a
SHA1 hash:
b0e962482c27beda13e87a7cb00b26b7ca7e2559
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: | 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: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| 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.
Web download
Delivery method
Distributed via web download
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