MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861
SHA3-384 hash: 770218c21d24af7972e8902773cfdb9befc55b415077245d1e73bd96ede2a5a082c60fe971f813e2dafc10b5da2c0ac7
SHA1 hash: e8d88c5767d5dcf7dea209ec3d6baf4dc32d2576
MD5 hash: 8800c1f0fd580b3c42290e7372418751
humanhash: snake-island-hot-august
File name:22098846839_ FW 00066823_pdf.rar
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:913'540 bytes
First seen:2023-05-05 10:20:15 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:QJkg/pcQYelncmYE9tY6yn23NEDRyZnTxUAz4E0/7mjdPqXAZgAfvoCGdZTVZ/SI:skSpHYelnwEHynwPx3z7iwGnCWRf
TLSH T11D153377ECA53047A0BE9F5258F53B5A012AFE2407A6D9FD294341D2C8EB93E43D9039
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:rar RemcosRAT


Avatar
cocaman
Malicious email (T1566.001)
From: "FedEx Express <fedex.notifications@mail.com>" (likely spoofed)
Received: "from [45.81.243.199] (unknown [45.81.243.199]) "
Date: "5 May 2023 12:18:39 +0200"
Subject: "FedEx Express Delivery#22098846839_ FW 00066823 "
Attachment: "22098846839_ FW 00066823_pdf.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:22098846839_ FW 00066823_pdf.exe
File size:1'025'024 bytes
SHA256 hash: 19836f65b08970b838c64ef0ffd5f8f4d8ed2063a1df2b826e3dc9e66b3c8f37
MD5 hash: 330486023aa5bab06c365929237ccdc9
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27382.Rar5Heur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6454d88fd131c04f6ae38934/reports/ac157ddc-d441-4e03-8ae7-f22052cb1c57/overview
Verdict:
Suspicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861/
Threat name:
Win32.Trojan.ZmutzyPong
Create hunting rule
Status:
Malicious
First seen:
2023-05-05 10:21:08 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
10 of 37 (27.03%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=memchjj5gpt52lfoian6jm4dnjh7vg4fon3bbyf7fy3blhd2hbqq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230505-md8ngahd57/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

rar 611823a53d33e7dd2cae401be4b3836a4ffa9b85737610e0bf2e36159c7a3861

(this sample)

RemcosRAT

Executable exe 19836f65b08970b838c64ef0ffd5f8f4d8ed2063a1df2b826e3dc9e66b3c8f37

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 19836f65b08970b838c64ef0ffd5f8f4d8ed2063a1df2b826e3dc9e66b3c8f37
  
Dropping
MD5 330486023aa5bab06c365929237ccdc9

Comments