MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee. 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


Arechclient2


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee
SHA3-384 hash: 39b391f1e056eb03bc2b26958fe4775c25fecfa5d92824b4dc97e6962efe8c9ace85b886a871aa56a838c81fe6ebb7f2
SHA1 hash: 62081edc64c1d5aeb50811eae52b1804c7d25eec
MD5 hash: 03c73bc08888500180c5dcc50dc51e74
humanhash: three-mars-fillet-romeo
File name:HydroFlow.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:1'422'312 bytes
First seen:2024-01-08 19:49:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 714858d86af7839c838d9f014dd17886 (2 x VenomRAT, 1 x Arechclient2)
ssdeep 24576:DD3s67L8bARsomDACvfJtSqmWnJqqCKoedFSKRUsxVttY/0CnjI/HXi:PX7M1AgJ0WJ+69RxVbY/0ij2Hy
TLSH T1BD65221238E28071D5B30A7089E4EF755ABCFE610F24DE5B23582A2B1F745D2E235B76
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
dhash icon 138e1cd4c1a2c0c0 (1 x Arechclient2)
Reporter adm1n_usa32
Tags:Arechclient2 exe


Avatar
adm1n_usa32
arechclient2 dropper

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
RO RO
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/469923/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Running batch commands
Creating a process from a recently created file
Creating a file
DNS request
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hook installer keylogger lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/659c51ec3c61cd5b424d7511/reports/4ba20e46-f19d-43fc-bae6-d9f279f5f2a3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fff892ae-493d-4ff6-96d7-b0e87e6708a1
Result
Threat name:
RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1371449
Signature
Connects to many ports of the same IP (likely port scanning)
Contains functionality to register a low level keyboard hook
Drops PE files with a suspicious file extension
Found API chain indicative of sandbox detection
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371449 Sample: HydroFlow.exe Startdate: 08/01/2024 Architecture: WINDOWS Score: 100 70 pKWzcobJJylYNrJsfdMvOuHajlfRJ.pKWzcobJJylYNrJsfdMvOuHajlfRJ 2->70 82 Snort IDS alert for network traffic 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 4 other signatures 2->88 11 HydroFlow.exe 14 2->11         started        15 wscript.exe 1 1 2->15         started        17 wscript.exe 1 2->17         started        signatures3 process4 file5 66 C:\Users\user\AppData\Local\Temp\...\Probe, PE32 11->66 dropped 98 Contains functionality to register a low level keyboard hook 11->98 19 cmd.exe 1 11->19         started        22 conhost.exe 11->22         started        100 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->100 24 HydroFlow.pif 15->24         started        26 HydroFlow.pif 17->26         started        signatures6 process7 signatures8 90 Uses ping.exe to sleep 19->90 92 Drops PE files with a suspicious file extension 19->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 19->94 96 Uses ping.exe to check the status of other devices and networks 19->96 28 cmd.exe 1 19->28         started        31 conhost.exe 19->31         started        process9 signatures10 102 Uses ping.exe to sleep 28->102 33 Driver.pif 5 28->33         started        37 cmd.exe 2 28->37         started        39 cmd.exe 2 28->39         started        41 6 other processes 28->41 process11 file12 58 C:\Users\user\AppData\Local\...\HydroFlow.pif, PE32 33->58 dropped 60 C:\Users\user\AppData\Local\...\HydroFlow.js, ASCII 33->60 dropped 62 C:\Users\user\AppData\Local\Temp\...\jsc.exe, PE32 33->62 dropped 74 Found API chain indicative of sandbox detection 33->74 76 Drops PE files with a suspicious file extension 33->76 78 Writes to foreign memory regions 33->78 80 Injects a PE file into a foreign processes 33->80 43 jsc.exe 33->43         started        47 cmd.exe 2 33->47         started        50 cmd.exe 1 33->50         started        64 C:\Users\user\AppData\Local\...\Driver.pif, PE32 37->64 dropped signatures13 process14 dnsIp15 72 144.76.163.55, 15648, 49745 HETZNER-ASDE Germany 43->72 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 43->104 106 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 43->106 108 Tries to harvest and steal browser information (history, passwords, etc) 43->108 68 C:\Users\user\AppData\...\HydroFlow.url, MS 47->68 dropped 52 conhost.exe 47->52         started        54 conhost.exe 50->54         started        56 schtasks.exe 1 50->56         started        file16 signatures17 process18
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-01-07 14:12:00 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
9 of 37 (24.32%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=seqm4o3ewhxkb3gmgq3uj5hi7455zcfyu6luhyd2s5ogymjxrhxa._file
Verdict:
unknown
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat rat trojan
Link:
https://tria.ge/reports/240108-yj8q7shac2/
Behaviour
Creates scheduled task(s)
Enumerates processes with tasklist
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Executes dropped EXE
SectopRAT
SectopRAT payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
49f726559690aee6d88cfb1e775bbcbb53686d5655cb127f334e2bd51e596a54
MD5 hash:
d040e6b89d3e9b6c792c9b4a89549801
SHA1 hash:
995a51ac061716ef7dc327653a90c14c40fb3fc8
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/10653b49-d8a4-413e-879f-e3d954cac540/
Parent samples :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 hash:
9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee
MD5 hash:
03c73bc08888500180c5dcc50dc51e74
SHA1 hash:
62081edc64c1d5aeb50811eae52b1804c7d25eec
Link:
https://www.unpac.me/results/10653b49-d8a4-413e-879f-e3d954cac540/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.92
Link:
https://yomi.yoroi.company/submissions/9120ce3b64b1eea0eccc343744f4e8ff3bdc88b8a79743e07a975c6c313789ee

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

anyrun
any.run
https://app.any.run/tasks/743630d7-d94c-4710-9feb-6d1dd746cb97
Cape
Cape
https://www.capesandbox.com/analysis/469923/

Comments