MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a7b4fa84bd825e4752d1e5be1fc2d87376cded4209511db44a7f66be67a03242. 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: 6
| SHA256 hash: | a7b4fa84bd825e4752d1e5be1fc2d87376cded4209511db44a7f66be67a03242 |
|---|---|
| SHA3-384 hash: | 99ee993b6d86f775aefe5ce7de5f76bf2dec3c151a1bae1aafd236c38256e8fc1d6eb93f2c36378d263b87c3b9a409e7 |
| SHA1 hash: | 775233e345c7af416d9c451b543a8922a10e88c4 |
| MD5 hash: | da7d81e04912a274acfeea531e457354 |
| humanhash: | football-pennsylvania-uncle-harry |
| File name: | a7b4fa84bd825e4752d1e5be1fc2d87376cded4209511db44a7f66be67a03242 |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 213'504 bytes |
| First seen: | 2020-11-11 11:05:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa9c4c247b9d54feb65b7fae02f433a (24 x CobaltStrike) |
| ssdeep | 3072:dMlR1v/q0NYFUTF4yoVvhqt0cPw8vzwlZX388KmX/fpjjZUunl52w6E:dmq0i+4YrYaoZLPfNjabE |
| Threatray | 140 similar samples on MalwareBazaar |
| TLSH | 6924AFE13181D576C04A00356A4FCB7E9B79B8F459B1D487FB9C4AA89E716E3CA39303 |
| Reporter |  seifreed |
| Tags: | CobaltStrike |
Intelligence
File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Result
Verdict:
Clean
Maliciousness:
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.
Threat name:
Win32.PUA.CobaltStrikeBeacon
Status:
Malicious
First seen:
2020-11-11 11:06:37 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 130 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
ServiceHost packer
Cobaltstrike
Malware Config
C2 Extraction:
http://10.108.140.126:8080/g.pixel
Unpacked files
SH256 hash:
a7b4fa84bd825e4752d1e5be1fc2d87376cded4209511db44a7f66be67a03242
MD5 hash:
da7d81e04912a274acfeea531e457354
SHA1 hash:
775233e345c7af416d9c451b543a8922a10e88c4
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | APT_CobaltStrike_Beacon_Indicator |
|---|---|
| Author: | JPCERT |
| Description: | Detects CobaltStrike beacons |
| Reference: | https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py |
| Rule name: | CobaltStrike |
|---|---|
| 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: | CobaltStrikeBeacon |
|---|---|
| Author: | enzo |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| Rule name: | CobaltStrike_Sleep_Decoder_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike sleep_mask decoder |
| 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: | 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: | MALW_cobaltrike |
|---|---|
| Author: | Marc Rivero | McAfee ATR Team |
| Description: | Rule to detect CobaltStrike beacon |
| Rule name: | ReflectiveLoader |
|---|---|
| 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: | WiltedTulip_ReflectiveLoader |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip |
| Reference: | http://www.clearskysec.com/tulip |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.