MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 63791a89341405f3c2bfa9454358dc970156cd21a8c69a58cff48b97e991e07c. 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: 14
| SHA256 hash: | 63791a89341405f3c2bfa9454358dc970156cd21a8c69a58cff48b97e991e07c |
|---|---|
| SHA3-384 hash: | f3162c19c158727ea2ab093b891829731888c8c27e089390fb91b9160dc34da62ddf7e30bfc8ad27991ff940ff1d9cfe |
| SHA1 hash: | bc5820411b679e4a8e66624e71a06ff5ce73599f |
| MD5 hash: | 717717c3411af47ec2511e1dbc77ef9f |
| humanhash: | hotel-september-blossom-seventeen |
| File name: | Iakovos_Peleties_CV.doc |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 3'315'200 bytes |
| First seen: | 2022-07-18 08:43:43 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/msword |
| ssdeep | 12288:nbdxyQOkZ9o1TkYVVRW8Am7qoWAkWmpS04OQYPCdXJJmMQ/bR569mJCRYD5UdQZO:nw71N17JabR5emlBkk/CqolLt7 |
| TLSH | T15DE5BAB838C35208DBF3E1B7365453895AD9FC398674626A8DD3AEEF2B28014E47DD41 |
| TrID | 36.3% (.XLS) Microsoft Excel sheet (32500/1/3) 33.5% (.DOC) Microsoft Word document (30000/1/2) 21.2% (.DOC) Microsoft Word document (old ver.) (19000/1/2) 8.9% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Reporter |  JAMESWT_WT |
| Tags: | CobaltStrike doc healthydiet4all-com |
Intelligence
File Origin
# of uploads :
1
# of downloads :
752
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Iakovos_Peleties_CV.doc
Verdict:
Malicious activity
Analysis date:
2022-07-18 08:44:34 UTC
Tags:
macros macros-on-open generated-doc stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Searching for synchronization primitives
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Tags:
macros
Label:
Benign
Suspicious Score:
4.9/10
Score Malicious:
5%
Score Benign:
5%
Result
Verdict:
MALICIOUS
Link:
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with many string operations indicating source code obfuscation
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Detection:
cobaltstrike
Threat name:
Win32.Trojan.Alien
Status:
Malicious
First seen:
2022-07-15 21:52:50 UTC
File Type:
Document
Extracted files:
31
AV detection:
17 of 41 (41.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor macro macro_on_action trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Cobaltstrike
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | CobaltStrikeBeacon |
|---|---|
| Author: | ditekshen, enzo & Elastic |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_XOR_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| 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: | informational_win_ole_protected |
|---|---|
| Author: | Jeff White (karttoon@gmail.com) @noottrak |
| Description: | Identify OLE Project protection within documents. |
| Rule name: | malware_CobaltStrike_v3v4 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect CobaltStrike Beacon in memory |
| Reference: | https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html |
| Rule name: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.