MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ea3dcb24ae132149252ad1aba54c92317be45c3791f14007e94c1a7c509b3965. 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: | ea3dcb24ae132149252ad1aba54c92317be45c3791f14007e94c1a7c509b3965 |
|---|---|
| SHA3-384 hash: | a4a42174bbb22730452552afc5d8faf5540228f2b992bf89e5cd9fa2476c8b06034c3456d2d9d24e30d3c358696d9f71 |
| SHA1 hash: | f88336515036ac0d78f227e32d2006884d9d006b |
| MD5 hash: | c38a6eb870ca3c7cd6f999c5ca078eef |
| humanhash: | victor-enemy-stairway-glucose |
| File name: | loader.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 6'206'464 bytes |
| First seen: | 2021-04-19 17:52:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 20 x LummaStealer, 17 x Rhadamanthys) |
| ssdeep | 98304:5oxfwZoZ0qA7Z6DAnMqR0gpKRW+wS/tpdvv2d8UJ:5oxoZoZ0qeZIAnMq+IS/tTved |
| Threatray | 207 similar samples on MalwareBazaar |
| TLSH | 74566D12F8A614FAC6BEE13086619361BA717CA443313BD31F94A67A6676FD07E3D310 |
| Reporter |  r3dbU7z |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
497
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
loader.exe
Verdict:
No threats detected
Analysis date:
2021-04-19 18:01:20 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
Sending an HTTP GET request
Sending a UDP 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.
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 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
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Gathering data
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 197 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
GoLang User-Agent
Cobaltstrike
Malware Config
C2 Extraction:
http://81.69.42.250:4446/updates.rss
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
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_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: | INDICATOR_SUSPICIOUS_ReflectiveLoader |
|---|---|
| Author: | ditekSHen |
| Description: | detects Reflective DLL injection artifacts |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| 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: | MALW_cobaltrike |
|---|---|
| Author: | Marc Rivero | McAfee ATR Team |
| Description: | Rule to detect CobaltStrike beacon |
| 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: | 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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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [C0002.014] Communication Micro-objective::Read Header::HTTP Communication
2) [C0031.001] Cryptography Micro-objective::AES::Decrypt Data
3) [C0027.004] Cryptography Micro-objective::3DES::Encrypt Data
4) [C0027.001] Cryptography Micro-objective::AES::Encrypt Data
5) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
6) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
7) [C0019] Data Micro-objective::Check String
8) [C0032.001] Data Micro-objective::CRC32::Checksum
9) [C0026.001] Data Micro-objective::Base64::Encode Data
10) [C0026.002] Data Micro-objective::XOR::Encode Data
11) [C0030.005] Data Micro-objective::FNV::Non-Cryptographic Hash
12) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
15) [C0052] File System Micro-objective::Writes File