MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1
SHA3-384 hash: 5c4131e9e2d178c0d873f22491f4113b9864789938be92c14421ad515b827e3ef3fe0a605bb5cd5ec5fe620da719eb4c
SHA1 hash: 31e7c025b4ba4a0ffffbe1ec223e3cfb9a61dbe3
MD5 hash: 58f2a4426deb647b91da968b34866a57
humanhash: september-magazine-fillet-finch
File name:b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:4'035'585 bytes
First seen:2021-01-28 13:32:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7aa1951517b3b8d38b12f874b66196c9 (2 x CobaltStrike, 1 x LaZagne)
ssdeep 98304:0UfMVJ4X3ITSq4Evt4vA1pYAWBcrKFrSfSn0sECcnbtJK:0cIKWSnvCYIeSJs2btk
Threatray 69 similar samples on MalwareBazaar
TLSH 52163346E2601CFBE6B6853B9961D066F972BC530324C29F53D495A3BE87B61AC3DF00
Reporter JAMESWT_WT
Tags:47.105.186.146 Cobalt Strike CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
530
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1
Verdict:
No threats detected
Analysis date:
2021-01-28 13:37:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c7f5e76e-d256-47a1-be8e-d980c75c8f65

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/114232/
Detection(s):
SecuriteInfo.com.Generic.Exploit.Shellcode.2.CED8CCCB.17745.28565.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Deleting a recently created file
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:
Unknown
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/592882
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1/
Threat name:
Win64.Trojan.Rozena
Create hunting rule
Status:
Malicious
First seen:
2021-01-23 03:02:00 UTC
File Type:
PE+ (Exe)
Extracted files:
216
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
00383e0cef95de02bac4a4725234f5430202e33f1d80b1dd299d682590e6d2f9
CobaltStrike
71bb29dfc07190aeace9d750fcb2e9a66a8abebab3c6d2c40eb0b3ce93e4c36f
CobaltStrike
8255cac50835b7957f99c316b18db603429583e2c9f2fe605e5a4a9f19c6e9cb
CobaltStrike
83acd77bd1b76095992046c1cd53fd0fb4f0ae9f22f410facf174f4e1ce2f475
CobaltStrike
88e7b17b889fe2b623121b8e2bba6317979bd79885536b21524e94797b3ed36c
CobaltStrike
8d8a8acc157f92723bfbe61fd04220d80d171908ee97231d15fad5b5515a0b2e
CobaltStrike
95961ebfe18f108918834d77940d5f7a516cabe3be4a8a799a5a80f488805d60
CobaltStrike
9cc659b2ca813ac76fd302254522e11352627942aa96a256da9f82ea269e6d94
CobaltStrike
ae0d9ff2760715f57cb6231b7ccefbfd974671e32b600207405ea419767dccb6
CobaltStrike
efc8bd338786404ca4dede0c7c1051927dff563e408eaa007d0c320b264b86e8
CobaltStrike
+ 59 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor pyinstaller trojan
Link:
https://tria.ge/reports/210128-b48jzx2sd2/
Behaviour
Suspicious use of WriteProcessMemory
JavaScript code in executable
Loads dropped DLL
Cobaltstrike
Malware Config
C2 Extraction:
http://47.105.186.146:8888/g.pixel
Unpacked files
SH256 hash:
b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1
MD5 hash:
58f2a4426deb647b91da968b34866a57
SHA1 hash:
31e7c025b4ba4a0ffffbe1ec223e3cfb9a61dbe3
Link:
https://www.unpac.me/results/a4b00dbc-c894-4733-8c31-c81fa45cf271/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b7fd001cc5d96be03e5f7be18a303806cea1d80fcbac831831abef4a2939dbb1

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:PE_File_pyinstaller
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Description:Detect PE file produced by pyinstaller
Reference:https://isc.sans.edu/diary/21057
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.
Rule name:WinPayloads_Payload
Create hunting rule
Author:Florian Roth
Description:Detects WinPayloads Payload
Reference:https://github.com/nccgroup/Winpayloads

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
X
https://twitter.com/malwrhunterteam/status/1354749385041711105?s=20
Cape
Cape
https://www.capesandbox.com/analysis/114232/

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