MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549
SHA3-384 hash: 12889d1fc966699d39c6171a97f2ed28147946067e821a3c93f69bfdc69dcfce297aedb31848d3a1af90adf3e7d194cc
SHA1 hash: 4bbd4e658d61cb25680bde5bb080c7347ec1b593
MD5 hash: 168b8482ffa38cfa8e0854c574738d14
humanhash: video-stairway-idaho-oxygen
File name:168b8482ffa38cfa8e0854c574738d14.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:777'920 bytes
First seen:2023-01-09 14:26:27 UTC
Last seen:2023-02-27 15:32:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:aYshRpaV1QdiPUrjiqXbp3/9AIlTtFHlHfidyqPcQ8e7Uq7m7hA0GuyGP06Fmo:aYswVZPJkbZ/9ptidfg7A0Gu1sKmo
TLSH T19AF469C1115B7A21EA8F033D2F254A3D6E286D4664F22DFBD1927F08DAF8B71650A5C3
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71e8b6b2929ae871 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
168b8482ffa38cfa8e0854c574738d14.exe
Verdict:
Malicious activity
Analysis date:
2023-01-09 14:32:18 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/fcb33df6-4fdf-43a7-87cd-9e00638fcd7e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/351167/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29327.15423.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connecting to a non-recommended domain
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63bc2438dde391056ac185f7/reports/f83218d5-ef5b-4aa6-af8c-3a5791741f9d/overview
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f2958ce9-b5be-4d03-95af-00b347f00199
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1148106
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Installs a global keyboard hook
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
Snort IDS alert for network traffic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-01-09 09:59:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=edkbf5gc2lhshjzvccpooexf34gahz7nnmlmbwpwdt7s6s7hoveq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230109-rseq6aee54/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
favgrandson7.sytes.net:1993
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/de4843a7-c397-4d7e-af19-d4e57bb788db
Unpacked files
SH256 hash:
2b708396475b0b8d934cd078301be34362b68bb8890bca01ede406059edf7e3c
MD5 hash:
18f234ee708bdb24910529b957f99592
SHA1 hash:
108d6e1c26deea429fbe09a32789b4b39efca7dd
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/0cb6ff54-cba0-40af-b0c2-9e5b47478281/
Parent samples :
20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549
0dcfa47c53b79f6a2f70408b595c051902066e293251b17d91e5ab91bf2c702f
SH256 hash:
4743756a524fe3a4394d256f9bbf1cd91a9f00abd29187c41e7c90abf0e2d83d
MD5 hash:
aaaad257a5585f145dc40f282b6cddd3
SHA1 hash:
f91988df0bbcad60414ac5a30521e68c2d86b624
Link:
https://www.unpac.me/results/0cb6ff54-cba0-40af-b0c2-9e5b47478281/
SH256 hash:
20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549
MD5 hash:
168b8482ffa38cfa8e0854c574738d14
SHA1 hash:
4bbd4e658d61cb25680bde5bb080c7347ec1b593
Link:
https://www.unpac.me/results/0cb6ff54-cba0-40af-b0c2-9e5b47478281/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/20d412f4c2d2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
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 20d412f4c2d2cf23a735109ee712e5df0c03e7ed6b16c0d9f61cff2f4be77549

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2260834/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/351167/

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