MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd9abef6519a4e330eede55da2819082e85d0c98030cb68b176b055457ac85c9. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd9abef6519a4e330eede55da2819082e85d0c98030cb68b176b055457ac85c9
SHA3-384 hash: 588b367034dcdceba26ad0edcc40375a5c43db4c299665aa83c82a4687015ea4be09014e0e55c055ac53cc917a3adac8
SHA1 hash: b050becad54023d420732b9185de1c72bb461dd7
MD5 hash: c7c058960a68d197667f73e09e1a587b
humanhash: river-jig-beer-nevada
File name:c7c058960a68d197667f73e09e1a587b.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'237'888 bytes
First seen:2022-08-30 13:36:31 UTC
Last seen:2022-08-30 14:53:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:VuwpsSXFjCePu0BCaAjDqM/SG6+WK9+s9C99paqUKIMIgQcq:VuAXdPiqshWKAsUlw1MM
Threatray 444 similar samples on MalwareBazaar
TLSH T14FA53368BE9E0EFCE62235FF4DC04CCF54A64061C565BB6285CA27EB11C1B297ADD90C
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c7c058960a68d197667f73e09e1a587b.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-30 13:37:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ff97c83d-bfef-4912-85db-e2fd9d3296af

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/302569/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.12849.29999.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% subdirectories
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Forced shutdown of a system process
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/630e12d3a7450371f68dff70/reports/7a23b8e9-c056-4ef0-a214-215f96de9f4a/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/d060e2cc-fdbf-4fb3-bbd4-51509f702d9a
Result
Threat name:
AsyncRAT, PrivateLoader, Remcos, Xmrig
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1060662
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Detected Stratum mining protocol
Found hidden mapped module (file has been removed from disk)
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses powercfg.exe to modify the power settings
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 693187 Sample: J5LNZ5i4G7.exe Startdate: 30/08/2022 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 16 other signatures 2->87 9 J5LNZ5i4G7.exe 3 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 1 1 2->15         started        18 7 other processes 2->18 process3 dnsIp4 55 C:\Users\user\AppData\...\J5LNZ5i4G7.exe.log, ASCII 9->55 dropped 93 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->93 95 Writes to foreign memory regions 9->95 97 Injects a PE file into a foreign processes 9->97 20 InstallUtil.exe 2 61 9->20         started        99 Changes security center settings (notifications, updates, antivirus, firewall) 13->99 25 MpCmdRun.exe 1 13->25         started        69 127.0.0.1 unknown unknown 15->69 71 192.168.2.1 unknown unknown 15->71 101 System process connects to network (likely due to code injection or exploit) 15->101 103 Query firmware table information (likely to detect VMs) 18->103 file5 signatures6 process7 dnsIp8 61 cothdesigns.com 37.139.129.221, 443, 49763, 49764 LVLT-10753US Germany 20->61 63 geoplugin.net 178.237.33.50, 49768, 80 ATOM86-ASATOM86NL Netherlands 20->63 47 C:\Users\user\AppData\...\InstallUtil.exe, PE32+ 20->47 dropped 49 C:\Users\user\...\time_20220901_123322.dat, data 20->49 dropped 51 C:\Users\user\...\time_20220901_113322.dat, data 20->51 dropped 53 41 other malicious files 20->53 dropped 89 Writes many files with high entropy 20->89 91 Installs a global keyboard hook 20->91 27 InstallUtil.exe 7 20->27         started        31 conhost.exe 25->31         started        file9 signatures10 process11 file12 57 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 27->57 dropped 59 C:\Users\user\AppData\Roaming\2C79.tmp, PE32+ 27->59 dropped 105 Antivirus detection for dropped file 27->105 107 Machine Learning detection for dropped file 27->107 109 Writes to foreign memory regions 27->109 111 4 other signatures 27->111 33 cmd.exe 1 27->33         started        36 svchost.exe 27->36         started        signatures13 process14 dnsIp15 73 Uses powercfg.exe to modify the power settings 33->73 75 Modifies power options to not sleep / hibernate 33->75 39 conhost.exe 33->39         started        41 powercfg.exe 1 33->41         started        43 powercfg.exe 1 33->43         started        45 2 other processes 33->45 65 xmr.2miners.com 51.89.96.41, 2222, 49782 OVHFR France 36->65 67 cothdesigns.com 36->67 77 Query firmware table information (likely to detect VMs) 36->77 signatures16 79 Detected Stratum mining protocol 65->79 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dd9abef6519a4e330eede55da2819082e85d0c98030cb68b176b055457ac85c9/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-08-30 10:30:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 40 (50.00%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wnl55srtjhdgdxn4vo2famqqluf2deyamglncyxnmcviv5mqxeq._file
Verdict:
suspicious
Similar samples:
00fa98448e9920e8161d5c2f0b50a219b7ea508a279e63c76aeb0625c04e1fc1
RemcosRAT
1c0d0b7350789ac3cd3aaac71175646d9f06f9240689be3b62293e94ffc12658
RemcosRAT
326920546c2f54782c27ab6c8b53948b8b2cbb1efe709d322c84d4d7a0806911
RemcosRAT
379dee3416757f21bec5a53af0cfda62fe0cadaeac03be81eabb3227ea47624b
RemcosRAT
3c44535fa113a3825ae966809ca420dc41e3115c59bd000faeefd35d44410f16
RemcosRAT
3f4a92916d3f26c17475017df9881acb7a6bb11f3e684e548d166e46f6363bbd
RemcosRAT
713f705f2058ef7094b105b8b47fc29c6d7cbbec9e6d997567b061c3b3d1b8c0
RemcosRAT
93ff00886c3dd4fda1ef90c88e79c5db775f667d33f941b7594e1751f9982474
RemcosRAT
b0c1ef51b5d6328ce55c852dd45e72aa1721eb8b9b4e027476a23f1ceb2a2704
RemcosRAT
f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53
RemcosRAT
+ 434 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:220830 rat
Link:
https://tria.ge/reports/220830-qws8aahfbp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
cothdesigns.com:6112
Unpacked files
SH256 hash:
dd9abef6519a4e330eede55da2819082e85d0c98030cb68b176b055457ac85c9
MD5 hash:
c7c058960a68d197667f73e09e1a587b
SHA1 hash:
b050becad54023d420732b9185de1c72bb461dd7
Link:
https://www.unpac.me/results/157dc3aa-b0ac-4feb-8860-4cccaa26047c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dd9abef6519a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/dd9abef6519a4e330eede55da2819082e85d0c98030cb68b176b055457ac85c9

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 dd9abef6519a4e330eede55da2819082e85d0c98030cb68b176b055457ac85c9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2276782/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2276802/
Cape
Cape
https://www.capesandbox.com/analysis/302569/

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