MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11cc552116a0cda9df92563fd096b0240f0519bd466e20722d9c13dae84b2f16. 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: 18


Intelligence 18 IOCs YARA 9 File information Comments

SHA256 hash: 11cc552116a0cda9df92563fd096b0240f0519bd466e20722d9c13dae84b2f16
SHA3-384 hash: 90cf3408bfe79108cff78fa259f1b86c9b2235f21fb813c80511fa7aa59654932dec466f4df1ad98a9fa82bae686e953
SHA1 hash: 6129231e1060abb9133afc5f279b5fe822f27fef
MD5 hash: 64e5d27220b5f0fa38bd899d4f8ef771
humanhash: lithium-winner-steak-twelve
File name:64e5d27220b5f0fa38bd899d4f8ef771.exe
Download: download sample
Signature RemcosRAT
File size:477'184 bytes
First seen:2022-08-09 16:28:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f9ee72c530e85b767a4ed3391690eadf (25 x RemcosRAT, 1 x Vjw0rm)
ssdeep 12288:efCa8/Vs8aGksOT3hysn1FrdhsfZyOKJN:A7GVs8aGpO1FrdAZ7q
Threatray 1'557 similar samples on MalwareBazaar
TLSH T1F5A4AE11BAD2C072D57265300D36EB36DAB8BD3029354A7BB3D65D5BFD30180A72A6B3
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 c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
64e5d27220b5f0fa38bd899d4f8ef771.exe
Verdict:
Malicious activity
Analysis date:
2022-08-09 16:37:39 UTC
Tags:
keylogger 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
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
CheckMutex
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 681250 Sample: HbIaIm2kDC.exe Startdate: 09/08/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for dropped file 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 7 other signatures 2->50 9 HbIaIm2kDC.exe 5 5 2->9         started        13 PerfLog.exe 1 1 2->13         started        15 PerfLog.exe 1 1 2->15         started        17 PerfLog.exe 1 1 2->17         started        process3 file4 38 C:\ProgramData\Remcos\PerfLog.exe, PE32 9->38 dropped 40 C:\Users\user\AppData\Local\...\install.vbs, data 9->40 dropped 42 C:\...\PerfLog.exe:Zone.Identifier, ASCII 9->42 dropped 52 Contains functionality to steal Chrome passwords or cookies 9->52 54 Contains functionality to steal Firefox passwords or cookies 9->54 56 Delayed program exit found 9->56 19 wscript.exe 1 9->19         started        58 Writes to foreign memory regions 13->58 60 Maps a DLL or memory area into another process 13->60 21 iexplore.exe 13->21         started        23 iexplore.exe 15->23         started        25 iexplore.exe 17->25         started        signatures5 process6 process7 27 cmd.exe 1 19->27         started        process8 29 PerfLog.exe 2 1 27->29         started        32 conhost.exe 27->32         started        signatures9 62 Antivirus detection for dropped file 29->62 64 Multi AV Scanner detection for dropped file 29->64 66 Machine Learning detection for dropped file 29->66 68 2 other signatures 29->68 34 BackgroundTransferHost.exe 49 29->34         started        36 iexplore.exe 29->36         started        process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-08-08 14:55:32 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:doctor persistence rat
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
185.222.58.111:5355
Unpacked files
SH256 hash:
11cc552116a0cda9df92563fd096b0240f0519bd466e20722d9c13dae84b2f16
MD5 hash:
64e5d27220b5f0fa38bd899d4f8ef771
SHA1 hash:
6129231e1060abb9133afc5f279b5fe822f27fef
Detections:
win_remcos_auto
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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
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 11cc552116a0cda9df92563fd096b0240f0519bd466e20722d9c13dae84b2f16

(this sample)

  
Delivery method
Distributed via web download

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