MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 22 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97
SHA3-384 hash: 7bad6f72b82fd6970f5edb33ab3db648b888ea2c00c802656b30a83a38981d570b4daffe6c7016423bcf1a313e9ccb7f
SHA1 hash: beacfbf87b7e976a0af3b831e84f3b604ab0cb0d
MD5 hash: 1f1b07bb4def96696258a93014c06e91
humanhash: sink-four-eleven-sierra
File name:1f1b07bb4def96696258a93014c06e91
Download: download sample
File size:4'081'208 bytes
First seen:2024-11-04 12:37:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (46 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 98304:JdPsh/HLvyQInTgNbXZnkwcK50k7Ltj6zOnX:J9sBW0ZXtkzK5tZ7
TLSH T1C416CF91F8D784F6E60755320897A2BF2734AE095B32CEC7DA447E5AEC339E10933619
gimphash 624d6dacdfa7cda608fc5e6435bc18d70b846adb76eadbef91e8224c50b60928
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
File icon (PE):PE icon
dhash icon e4922945552992e4 (11 x FleetDeck)
Reporter zbetcheckin
Tags:32 exe signed

Code Signing Certificate

Organisation:FleetDeck Inc
Issuer:Sectigo Public Code Signing CA EV R36
Algorithm:sha256WithRSAEncryption
Valid from:2021-08-12T00:00:00Z
Valid to:2024-08-11T23:59:59Z
Serial number: 7476f11f518ff3c003cffce9f671b45b
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: fa77a56195a3329c24b916ff96fe9bc22bc846eed64020b8a861278e93981cf1
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
453
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1f1b07bb4def96696258a93014c06e91
Verdict:
Malicious activity
Analysis date:
2024-11-04 12:39:22 UTC
Tags:
golang
Link:
https://app.any.run/tasks/0cfcaaf2-5126-4f58-89d0-715ef9ab1509

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6728c0318d23d90491336051
Tags:
shellcode injection exploit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a service
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a file
Launching a process
Creating a file in the system32 subdirectories
Creating a service
DNS request
Connection attempt
Sending a custom TCP request
Moving a file to the Program Files subdirectory
Enabling autorun for a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand golang lolbin monero msiexec obfuscated overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/6728c02dd9908c065a7f703b/reports/1c2161c3-737e-49b3-b955-c6fc0c1dfe53/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e2bfafe0-0d25-48a1-a498-6d71dd3f529f
Result
Threat name:
n/a
Detection:
suspicious
Classification:
n/a
Score:
39 / 100
Link:
https://www.joesandbox.com/analysis/1548439
Signature
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1548439 Sample: RBOu3pEEEp.exe Startdate: 04/11/2024 Architecture: WINDOWS Score: 39 38 agentupdate.fleetdeck.io 2->38 46 Multi AV Scanner detection for submitted file 2->46 9 msiexec.exe 80 34 2->9         started        12 fleetdeck_agent_svc.exe 2 2 2->12         started        15 RBOu3pEEEp.exe 3 2->15         started        signatures3 process4 dnsIp5 32 C:\Windows\Installer\MSIBA9E.tmp, PE32 9->32 dropped 34 C:\Windows\Installer\MSI39D5.tmp, PE32 9->34 dropped 36 C:\...\fleetdeck_agent_svc.exe, PE32 9->36 dropped 17 fleetdeck_agent_svc.exe 2 9->17         started        19 msiexec.exe 1 9->19         started        21 msiexec.exe 9->21         started        40 9.9.9.9, 49869, 49874, 54514 QUAD9-AS-1US United States 12->40 42 agentupdate.fleetdeck.io 18.172.112.129, 443, 49789, 54436 MIT-GATEWAYSUS United States 12->42 44 14 other IPs or domains 12->44 file6 process7 process8 23 powershell.exe 33 17->23         started        26 powershell.exe 32 17->26         started        signatures9 48 Loading BitLocker PowerShell Module 23->48 28 conhost.exe 23->28         started        30 conhost.exe 26->30         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-11-02 12:44:31 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4wfazxhcys3nsqlp3xarnlozzocpf6ll4w2xq4zut3oefef5klq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241104-pt2wzayph1/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Blocklisted process makes network request
Enumerates connected drives
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0edf841c-1f6e-4ace-8dd5-773e35365bf2
Unpacked files
SH256 hash:
2d6e754e9d045125ef146b215946ecfa4237e6193f3437a8cae46fa043a68a09
MD5 hash:
ff6ecfd3721f337e188c9806ed5a94b3
SHA1 hash:
a0069119406833dc563a68ddc465839186a82a43
Link:
https://www.unpac.me/results/c8300752-1746-4495-a954-52086a64ad6d/
SH256 hash:
bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97
MD5 hash:
1f1b07bb4def96696258a93014c06e91
SHA1 hash:
beacfbf87b7e976a0af3b831e84f3b604ab0cb0d
Link:
https://www.unpac.me/results/c8300752-1746-4495-a954-52086a64ad6d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:INDICATOR_RMM_FleetDeck_CERT
Create hunting rule
Author:ditekSHen
Description:Detects FleetDeck agent by (default) certificate. Review RMM Inventory
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Executable exe bf2c5066e71625b6ca0b7eee08b56ece5c2797cb5f2dabc399a4f6e21485ea97

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3275524/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

Comments


Avatar
zbet commented on 2024-11-04 12:37:18 UTC

url : hxxps://agentinstall.fleetdeck.io/fleetdeck-agent-TQuZ5vMFchJ86VpTji33Lc.exe