MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbabf85d66c08e57af2a3ffc46b5e915291849b19aa00f1ab9ab61d5b0fe7bfc. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: dbabf85d66c08e57af2a3ffc46b5e915291849b19aa00f1ab9ab61d5b0fe7bfc
SHA3-384 hash: cfa6c38427d19668572d009063114dedeb9b4ecf3b9c167ecd9016f7574b71d7c0c1cc0df61d1b02ae8b48d6a6dcf38b
SHA1 hash: 0e6c4c2388a31b44489155fed1fbcc8bb4f6fd24
MD5 hash: 3f80b5bf10da38b5cb9eb72f3e3d0bed
humanhash: oxygen-floor-undress-kansas
File name:DHL Shipment customs invoice 3709392691.exe
Download: download sample
Signature RemcosRAT
File size:833'536 bytes
First seen:2020-10-22 13:59:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ccd488364d7b78bdf79a98e8e2961731 (6 x Loki, 1 x NetWire, 1 x AveMariaRAT)
ssdeep 12288:sa33sOGI1IyzoGHUnk3OhzqNU6m31LTaD9vizx47EskgImleNiGKd8:pMHI1cGEkeh2q6MsizOdlWiz8
Threatray 933 similar samples on MalwareBazaar
TLSH 00059E62E2F15CF7C12325389D1B57A4A827BE503D3879866BF52C3C5F39681382A2D7
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
DNS request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Connection attempt to an infection source
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 302747 Sample: DHL Shipment customs invoic... Startdate: 22/10/2020 Architecture: WINDOWS Score: 100 41 kay34.duckdns.org 2->41 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Detected unpacking (changes PE section rights) 2->49 51 13 other signatures 2->51 11 DHL Shipment customs invoice 3709392691.exe 2->11         started        14 remcos.exe 2->14         started        16 remcos.exe 2->16         started        signatures3 process4 signatures5 53 Maps a DLL or memory area into another process 11->53 18 DHL Shipment customs invoice 3709392691.exe 4 5 11->18         started        21 remcos.exe 14->21         started        23 remcos.exe 16->23         started        process6 file7 37 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 18->37 dropped 39 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 18->39 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 remcos.exe 27->29         started        32 conhost.exe 27->32         started        signatures11 55 Multi AV Scanner detection for dropped file 29->55 57 Detected unpacking (changes PE section rights) 29->57 59 Detected unpacking (overwrites its own PE header) 29->59 61 8 other signatures 29->61 34 remcos.exe 2 3 29->34         started        process12 dnsIp13 43 kay34.duckdns.org 185.244.30.226, 2267, 49716, 49717 DAVID_CRAIGGG Netherlands 34->43
Threat name:
Win32.Trojan.LokibotCrypt
Status:
Malicious
First seen:
2020-10-22 04:25:53 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
kay34.duckdns.org:2267
Unpacked files
SH256 hash:
dbabf85d66c08e57af2a3ffc46b5e915291849b19aa00f1ab9ab61d5b0fe7bfc
MD5 hash:
3f80b5bf10da38b5cb9eb72f3e3d0bed
SHA1 hash:
0e6c4c2388a31b44489155fed1fbcc8bb4f6fd24
SH256 hash:
87ab67f61ad559dd5ef2a5b215d9bc324fd4b77a661418c6c5d5d33d62445ef9
MD5 hash:
2ac54f7c061144f21ee6165c2b8d1819
SHA1 hash:
af8e9c7ed68db802cb9c1a3c8765fd457ce35b6f
Detections:
win_remcos_g0 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:ach_RemcosRAT
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
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:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

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