MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fb54bb9a1eb4301ba6a4308cb7a6a39fb92408d69a6cbe4edbad0b574e0c9a1. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 1fb54bb9a1eb4301ba6a4308cb7a6a39fb92408d69a6cbe4edbad0b574e0c9a1
SHA3-384 hash: 9df07d08ed2068ff9a4aa14b3b614528c2ebb2f91753c6ad858af1cfc082d3a5912fe99c8e69db67be94fec9129ec250
SHA1 hash: 31b0ccd13a54f1c0bae80e84fa8102922d8b687b
MD5 hash: ef45ff5ed50ca692cd8f24b76374e746
humanhash: friend-lima-fillet-solar
File name:1fb54bb9a1eb4301ba6a4308cb7a6a39fb92408d69a6cbe4edbad0b574e0c9a1
Download: download sample
Signature CobaltStrike
File size:10'337'854 bytes
First seen:2023-09-03 08:06:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b5552dccd9d0a834cea55c0c8fc05be (16 x LunaLogger, 16 x BlankGrabber, 8 x CrealStealer)
ssdeep 196608:9LRpbwPyr7PnILLZWdoCOiV9onJ5hrZERw+ENFJzFcgu8piWtARuR:lRhwqr7M5liV9c5hlERwRFJzFcgu8pPb
Threatray 378 similar samples on MalwareBazaar
TLSH T100A63368E2105CF9DC76A63DC5A70020D532FA2A5790D30B43F827794FA7BD80ABE756
TrID 66.5% (.EXE) InstallShield setup (43053/19/16)
16.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
3.0% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon c6c2ccc4f4e0e0f8 (37 x PythonStealer, 21 x CrealStealer, 19 x Empyrean)
Reporter JAMESWT_WT
Tags:Cobalt Strike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
340
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1fb54bb9a1eb4301ba6a4308cb7a6a39fb92408d69a6cbe4edbad0b574e0c9a1
Verdict:
Malicious activity
Analysis date:
2023-09-03 08:10:35 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
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.
Malware family:
Cobalt Strike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Status:
Suspicious
First seen:
2023-09-02 05:36:57 UTC
File Type:
PE+ (Exe)
Extracted files:
395
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:391144938 backdoor pyinstaller trojan
Behaviour
Suspicious use of WriteProcessMemory
Loads dropped DLL
Cobaltstrike
Malware Config
C2 Extraction:
http://192.144.206.100:4848/load
Unpacked files
SH256 hash:
1fb54bb9a1eb4301ba6a4308cb7a6a39fb92408d69a6cbe4edbad0b574e0c9a1
MD5 hash:
ef45ff5ed50ca692cd8f24b76374e746
SHA1 hash:
31b0ccd13a54f1c0bae80e84fa8102922d8b687b
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

Comments