MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549
SHA3-384 hash: d0089a967685556f9b7dc62a0ad7e2418fc1c3952407d08ef06dd0abe35d14343d125f7432b60e744cff9b917f349ba3
SHA1 hash: c15f44fea00604dee5b4d08c7ca4b8503e136645
MD5 hash: e5de959183fcaaae232f085620f0d5f1
humanhash: orange-aspen-spring-coffee
File name:e5de959183fcaaae232f085620f0d5f1.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'474'944 bytes
First seen:2023-01-30 12:42:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 49152:KAhI+dJiV7xK1zhUkVosXUj2jP2zQLWWtKnC:KAhf3g
TLSH T1BBF5B5203EFA902AF1B7BF759AE475969E7FF6633B07945E1050038A0A13A41DDC163E
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e5de959183fcaaae232f085620f0d5f1.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 12:48:27 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/9c982e28-a64f-426e-a3cd-9b01eb0f7f18

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/358297/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Enabling the 'hidden' option for analyzed file
Launching a process
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
Creating a window
Query of malicious DNS domain
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
83%
Tags:
anti-vm anti-vm greyware hacktool
Link:
https://www.filescan.io/uploads/63d7bb592d4f6d560e23aed8/reports/402c945c-ff86-4d11-9805-dcefa255a5c8/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/137972ca-ac4e-4d4f-b5f9-f2077ac8aae9
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161686
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionalty to change the wallpaper
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 submitted file
Sigma detected: Remcos
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 794439 Sample: YMNHOzSCOj.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 57 www.google.com 2->57 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 4 other signatures 2->85 10 YMNHOzSCOj.exe 1 2->10         started        14 YMNHOzSCOj.exe 2->14         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\YMNHOzSCOj.exe.log, ASCII 10->53 dropped 87 Contains functionalty to change the wallpaper 10->87 89 Injects a PE file into a foreign processes 10->89 91 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->91 16 YMNHOzSCOj.exe 4 3 10->16         started        21 cmd.exe 1 10->21         started        23 cmd.exe 14->23         started        25 YMNHOzSCOj.exe 14->25         started        27 YMNHOzSCOj.exe 14->27         started        29 YMNHOzSCOj.exe 14->29         started        signatures6 process7 dnsIp8 55 rem.unionbindinqcompany.it 91.193.75.232, 3361, 49695, 49696 DAVID_CRAIGGG Serbia 16->55 51 C:\ProgramData\remcos\logs.dat, data 16->51 dropped 71 Writes to foreign memory regions 16->71 73 Maps a DLL or memory area into another process 16->73 75 Installs a global keyboard hook 16->75 31 svchost.exe 12 16->31         started        77 Uses schtasks.exe or at.exe to add and modify task schedules 21->77 33 conhost.exe 21->33         started        35 schtasks.exe 1 21->35         started        37 conhost.exe 23->37         started        39 schtasks.exe 1 23->39         started        file9 signatures10 process11 process12 41 chrome.exe 15 1 31->41         started        44 chrome.exe 31->44         started        dnsIp13 59 192.168.2.1 unknown unknown 41->59 61 192.168.2.30 unknown unknown 41->61 63 239.255.255.250 unknown Reserved 41->63 46 chrome.exe 41->46         started        49 chrome.exe 44->49         started        process14 dnsIp15 65 part-0032.t-0009.fdv2-t-msedge.net 13.107.237.60, 443, 49717, 49718 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 46->65 67 www.google.com 142.250.203.100, 443, 49713, 49759 GOOGLEUS United States 46->67 69 7 other IPs or domains 46->69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 23:21:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=za2fodgnnmtifpvlx7eniduzfvjphbvkivbo3nproesq23y4wveq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost brand:microsoft persistence phishing rat
Link:
https://tria.ge/reports/230130-pxxfnaca51/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
rem.unionbindinqcompany.it:3361
Unpacked files
SH256 hash:
a291015faa46fb311b112b0e0488d7c82b818c73a88825ef402a323446fc5ed7
MD5 hash:
ade9572d4a556fcb1c1be4ca05912964
SHA1 hash:
55d8ede0c50ae223c9cf456bd21b52810651ad49
Link:
https://www.unpac.me/results/df7ca167-1b83-4d63-ba29-9af16e0c0612/
SH256 hash:
8f921c63d8ff677d4e08cc5f390ddee21770123716be64b5f6dc7f969a5c4ab5
MD5 hash:
149d083d4fe6911237071fa7f4764573
SHA1 hash:
31fc79b37c58a304c91ffa887f4ce498c0963a94
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/df7ca167-1b83-4d63-ba29-9af16e0c0612/
Parent samples :
c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549
de8a8e788979f605ae68981ec3bf84711e957bfa4746d5f23c2015a8ec928c32
a6bdc7d25ae942d15182d26e449c329340db53470a079647d3b6ddb06b7e28d5
SH256 hash:
c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549
MD5 hash:
e5de959183fcaaae232f085620f0d5f1
SHA1 hash:
c15f44fea00604dee5b4d08c7ca4b8503e136645
Link:
https://www.unpac.me/results/df7ca167-1b83-4d63-ba29-9af16e0c0612/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c834570ccd6b/report/overview.html
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/c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Web download

RemcosRAT

Executable exe c834570ccd6b2682beabbfc8d40e992d52f386aa4542edb5f171250d6f1cb549

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2518821/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/358297/

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