MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f710395880f835d08b965db304c00350be5824af2bbe7a55ba6ead607f7ff65d. 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



RemcosRAT


Vendor detections: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: f710395880f835d08b965db304c00350be5824af2bbe7a55ba6ead607f7ff65d
SHA3-384 hash: c6fe58291b9cd0293890ddae67e4046cb5a62875d2f745d4370216cc81cae9714f0fd4a813d45d2cf769b10b825c37f0
SHA1 hash: e237570ce9728a4ddcd32a54416afd8efde96d05
MD5 hash: 68fcd1ebd9de5ff4645e62008dd04ece
humanhash: bulldog-indigo-sweet-potato
File name:vbc.exe
Download: download sample
Signature RemcosRAT
File size:554'496 bytes
First seen:2022-05-18 17:57:52 UTC
Last seen:2022-05-18 18:44:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash db57d5e3d04b9a257784f752aaee46da (3 x RedLineStealer, 2 x Smoke Loader, 1 x RemcosRAT)
ssdeep 12288:H+1vy6Hcr8NbBUYMTULzrljUKrBIADSSpPe1+UdGBd3:H+w68r8XUYMTULtUKrBfSKPe8TP3
Threatray 1'231 similar samples on MalwareBazaar
TLSH T1D6C40201F7D1C4F1F0922E7188A5E770A67BB9226070580BEBD49B6F1D733D09AB635A
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 5c59da3ce0c1c850 (36 x Stop, 33 x Smoke Loader, 26 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
BANKING DETAILS(1).xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-18 17:57:20 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader rat remcos

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

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 629557 Sample: vbc.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 57 geoplugin.net 2->57 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 5 other signatures 2->67 10 vbc.exe 4 4 2->10         started        14 ios.exe 2->14         started        16 ios.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\ios.exe, PE32 10->51 dropped 53 C:\Users\user\...\ios.exe:Zone.Identifier, ASCII 10->53 dropped 55 C:\Users\user\AppData\Local\...\install.vbs, data 10->55 dropped 69 Contains functionality to steal Chrome passwords or cookies 10->69 71 Contains functionality to steal Firefox passwords or cookies 10->71 73 Delayed program exit found 10->73 18 wscript.exe 10->18         started        20 WerFault.exe 9 10->20         started        23 WerFault.exe 9 10->23         started        25 5 other processes 10->25 75 Multi AV Scanner detection for dropped file 14->75 77 Detected unpacking (changes PE section rights) 14->77 79 Detected unpacking (overwrites its own PE header) 14->79 81 2 other signatures 14->81 signatures6 process7 file8 27 cmd.exe 18->27         started        39 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->39 dropped 41 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 23->41 dropped 43 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 25->43 dropped 45 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 25->45 dropped 47 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 25->47 dropped 49 2 other malicious files 25->49 dropped process9 process10 29 ios.exe 27->29         started        33 conhost.exe 27->33         started        dnsIp11 59 skygroupt6.zapto.org 29->59 83 Installs a global keyboard hook 29->83 35 WerFault.exe 29->35         started        37 WerFault.exe 29->37         started        signatures12 process13
Threat name:
Win32.Trojan.RelineStealer
Status:
Malicious
First seen:
2022-05-18 17:58:11 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Uses the VBS compiler for execution
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
skygroupt6.zapto.org:2080
Unpacked files
SH256 hash:
f710395880f835d08b965db304c00350be5824af2bbe7a55ba6ead607f7ff65d
MD5 hash:
68fcd1ebd9de5ff4645e62008dd04ece
SHA1 hash:
e237570ce9728a4ddcd32a54416afd8efde96d05
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Web download

RemcosRAT

Executable exe f710395880f835d08b965db304c00350be5824af2bbe7a55ba6ead607f7ff65d

(this sample)

  
Delivery method
Distributed via web download

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