MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d4f1e01cbbd896a55a83dd107e381fe0a572bd2c9327cbb82a9510eb4832e99. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: 1d4f1e01cbbd896a55a83dd107e381fe0a572bd2c9327cbb82a9510eb4832e99
SHA3-384 hash: fbdbbe63a85c40a75139e266919fcfdc92bfd3ca9a68cb0addd79b0e237ac71bc73c9cede665278ef3853180c2daf9e5
SHA1 hash: aac6be857fbb4c31db54a560b51b0e1fca04c227
MD5 hash: 2cfedd565199e2068ad980cbc081ed6e
humanhash: table-mike-neptune-white
File name:Documents.exe
Download: download sample
Signature RemcosRAT
File size:870'912 bytes
First seen:2021-09-17 18:16:46 UTC
Last seen:2021-09-19 16:56:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 96d68413d52ee291c9b444b7006f0bce (4 x RemcosRAT, 1 x BitRAT)
ssdeep 12288:mmnGyuE9fz9VBCY4Alz2MjbjBQHhazE2Sdvnk6LHC7WWnMvwfHVBPggseBnDz5ZE:mmnZbz9e0z12HnBngseBDz5ZE
Threatray 2'673 similar samples on MalwareBazaar
TLSH T175057C66E7C29CF6F43615388CDBBA94152EBCF139D55C4A2D943E046A38392393E18F
dhash icon 8ccc0c37e3969a68 (8 x RemcosRAT, 2 x NetWire, 1 x BitRAT)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documents.exe
Verdict:
Malicious activity
Analysis date:
2021-09-17 18:23:13 UTC
Tags:
installer

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

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Injuke
Status:
Malicious
First seen:
2021-09-17 17:19:52 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
rem1.camdvr.org:2404
rem16.hopto.org:2404
rem1666.hopto.org:2404
rem16.camdvr.org:2404
remmusic.freeddns.org:2404
sunwap1.ddns.net:2404
rem166.hopto.org:2404
Unpacked files
SH256 hash:
519197f521aa39b7a7ab34b4500a304a7329d967115c2e48fe1b6eb201e39af1
MD5 hash:
3da921c9355d01d335cf03159a950030
SHA1 hash:
3be3f4ea8f289a123dcd1f6ac97c6f34a503c9cf
SH256 hash:
1d4f1e01cbbd896a55a83dd107e381fe0a572bd2c9327cbb82a9510eb4832e99
MD5 hash:
2cfedd565199e2068ad980cbc081ed6e
SHA1 hash:
aac6be857fbb4c31db54a560b51b0e1fca04c227
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:Detects win.remcos.

File information


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

Malspam

RemcosRAT

Executable exe 1d4f1e01cbbd896a55a83dd107e381fe0a572bd2c9327cbb82a9510eb4832e99

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment

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