MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35b6bec4bfea1f07eb6503906211427d048f6ceb10c3eb9c984799501d1f3f73. 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: 12


Intelligence 12 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35b6bec4bfea1f07eb6503906211427d048f6ceb10c3eb9c984799501d1f3f73
SHA3-384 hash: 9682a39f5b16a8e85eec02731c6706dc035bbb392d6fca43295c43a2fc6f301019d21c2ccea92d66655f2ecfd8c9f38a
SHA1 hash: a15ef8211696c7e8fa2e602e245ea4fa7319ce9d
MD5 hash: 49a3440aa4aa2c0230e8a613548e80b5
humanhash: purple-fruit-oscar-hamper
File name:ORDEN DE COMPRA DE A.W. Chesterton,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:994'816 bytes
First seen:2022-08-15 18:26:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2ebdec3ad273b5e790ae5af2320eb350 (3 x RemcosRAT, 1 x DBatLoader)
ssdeep 24576:1qTfGV0TGc+zRWU7k7doHJCLTqZ+2p/QFO2XeLoPxKGe:sYrk92p/wfOLoJ
TLSH T16D25AF39B680C872C6635478CC6777E49C2A7F1A2E2C758726E82D6C5F3B5407A392C7
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 7ce0a49c94988894 (3 x RemcosRAT, 1 x DBatLoader)
Reporter 0xToxin
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
349
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
ORDEN DE COMPRA DE A.W. Chesterton,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 18:28:10 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/5b5b4bf2-9787-475d-b041-765fb1b7663e

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/298816/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.20019.26855.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29032/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/62fa9074080024921b7bc482/reports/669591c8-0bb2-4b66-a2ec-4e664ef3cfbb/overview
Result
Verdict:
UNKNOWN
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/efb8095d-e624-4134-82d4-a963e5c346cc
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051809
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684316 Sample: ORDEN DE COMPRA DE A.W. Che... Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Detected Remcos RAT 2->47 49 5 other signatures 2->49 6 ORDEN DE COMPRA DE A.W. Chesterton,pdf.exe 1 16 2->6         started        11 Ahewkgvah.exe 13 2->11         started        13 Ahewkgvah.exe 13 2->13         started        process3 dnsIp4 27 cdn.discordapp.com 162.159.134.233, 443, 49737, 49738 CLOUDFLARENETUS United States 6->27 23 C:\Users\Public\Libraries\Ahewkgvah.exe, PE32 6->23 dropped 25 C:\Users\...\Ahewkgvah.exe:Zone.Identifier, ASCII 6->25 dropped 51 Writes to foreign memory regions 6->51 53 Allocates memory in foreign processes 6->53 55 Creates a thread in another existing process (thread injection) 6->55 15 rasphone.exe 2 6->15         started        29 162.159.130.233, 443, 49767, 49768 CLOUDFLARENETUS United States 11->29 57 Injects a PE file into a foreign processes 11->57 19 rasphone.exe 11->19         started        31 162.159.135.233, 443, 49769, 49770 CLOUDFLARENETUS United States 13->31 21 calc.exe 13->21         started        file5 signatures6 process7 dnsIp8 33 ablegodforsure.ddns.net 194.147.140.4, 4016 PTPEU unknown 15->33 35 Contains functionality to steal Chrome passwords or cookies 15->35 37 Contains functionality to capture and log keystrokes 15->37 39 Contains functionality to inject code into remote processes 15->39 41 Contains functionality to steal Firefox passwords or cookies 15->41 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35b6bec4bfea1f07eb6503906211427d048f6ceb10c3eb9c984799501d1f3f73/
Threat name:
Win32.Trojan.RemcosRAT
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 18:27:09 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gw3l5rf75ipqp23faoigeekcpuci63hlcdb6xheyi6mvahi7h5zq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:g persistence rat trojan
Link:
https://tria.ge/reports/220815-w3qzdshah7/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
ablegodforsure.ddns.net:4016
Unpacked files
SH256 hash:
1aa0b0480f4a4a41977ee8725c0be025bf8ea30f83696633062d5741af8200af
MD5 hash:
1324549c176999f791dc1b3cb2eb1fc2
SHA1 hash:
11f4e74ba73cda5d6861fa5bf93dc5062a71e98f
Link:
https://www.unpac.me/results/ee0a89eb-a86c-482e-85fa-d6af0a5ca745/
SH256 hash:
35b6bec4bfea1f07eb6503906211427d048f6ceb10c3eb9c984799501d1f3f73
MD5 hash:
49a3440aa4aa2c0230e8a613548e80b5
SHA1 hash:
a15ef8211696c7e8fa2e602e245ea4fa7319ce9d
Link:
https://www.unpac.me/results/ee0a89eb-a86c-482e-85fa-d6af0a5ca745/
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/35b6bec4bfea1f07eb6503906211427d048f6ceb10c3eb9c984799501d1f3f73

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
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.

Malspam

RemcosRAT

Executable exe 35b6bec4bfea1f07eb6503906211427d048f6ceb10c3eb9c984799501d1f3f73

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298816/

Comments