MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b2c5438734cf3ebe39b97749d4d994d0d1a59a50705090625a09214331bc1b45. 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: | b2c5438734cf3ebe39b97749d4d994d0d1a59a50705090625a09214331bc1b45 |
|---|---|
| SHA3-384 hash: | 4694c48ddbbb9a60d22740dda5479ac60ed5cc55ad6456479998ddf7387f93e53e901379ce234e43233cb83095b79a54 |
| SHA1 hash: | 2e93bcbe8bcb7821cfe4ae9a9c1fc859d3841f56 |
| MD5 hash: | 708de21dd452143261bf214d36a2fae2 |
| humanhash: | six-winter-juliet-twelve |
| File name: | b2c5438734cf3ebe39b97749d4d994d0d1a59a50705090625a09214331bc1b45.bin |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 644'056 bytes |
| First seen: | 2021-07-29 09:45:04 UTC |
| Last seen: | 2021-08-03 08:31:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 06f6808307bfcd0a44362619be120637 (1 x CobaltStrike) |
| ssdeep | 12288:AbA5gT/0LXBC0DOIm3EPr8Y0cJiy7cVm5KmnSG42ZAj:A0LXBC0DOIFH0tInnS9 |
| Threatray | 1'029 similar samples on MalwareBazaar |
| TLSH | T1A5D4BE86F2E448F6E073913ACA92874AEA737820573187CB5290971E3F772D16D3DB61 |
| dhash icon | 79756cecb29999b9 (734 x Heodo, 20 x Nitol, 20 x ManusCrypt) |
| Reporter |  JAMESWT_WT |
| Tags: | CobaltStrike exe signed StackUp ApS |
Code Signing Certificate
| Organisation: | StackUp ApS |
|---|---|
| Issuer: | DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-07-16T00:00:00Z |
| Valid to: | 2022-07-19T23:59:59Z |
| Serial number: | 0400c7614f86d75fe4ee3f6192b6feda |
| Intelligence: | 12 malware samples on MalwareBazaar are signed with this code signing certificate |
| MalwareBazaar Blocklist: | This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB) |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 64cd94f7ed9b7ba8f7d58445c0b9d9823d37782cc3500d359b86c4a3b091d5b8 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
516
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b2c5438734cf3ebe39b97749d4d994d0d1a59a50705090625a09214331bc1b45.bin
Verdict:
No threats detected
Analysis date:
2021-07-29 09:59:13 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
SUSPICIOUS
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:
troj
Score:
84 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-07-28 15:38:36 UTC
File Type:
PE+ (Exe)
Extracted files:
56
AV detection:
7 of 46 (15.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 1'019 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:0 backdoor suricata trojan
Behaviour
Suspicious use of SetWindowsHookEx
Cobaltstrike
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response
Malware Config
C2 Extraction:
http://mitsubon.com:80/jquery-3.3.1.min.js
Unpacked files
SH256 hash:
b2c5438734cf3ebe39b97749d4d994d0d1a59a50705090625a09214331bc1b45
MD5 hash:
708de21dd452143261bf214d36a2fae2
SHA1 hash:
2e93bcbe8bcb7821cfe4ae9a9c1fc859d3841f56
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.82
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: | CobaltStrikeBeacon |
|---|---|
| Author: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CS_beacon |
|---|---|
| Author: | Etienne Maynier tek@randhome.io |
| 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_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: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | Trojan_Raw_Generic_4 |
|---|---|
| Author: | FireEye |
| Reference: | https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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