MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c09cb187ead292e38f9552449115d0e8ad5211f65cd6cc2ad2a2e8249d7481ec. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c09cb187ead292e38f9552449115d0e8ad5211f65cd6cc2ad2a2e8249d7481ec
SHA3-384 hash: 17770f098233f4d86268d7bb54d972f5823ee8335a64c971aa3a2a02f95e9b4cc14e8794628478e1034b3d79fb7b01ca
SHA1 hash: 2a66efff8a0dfcf8d0ac247940b8f790c3c9d377
MD5 hash: 414f4a3b05028be19e006ae2ba9182b6
humanhash: cat-pizza-lactose-east
File name:414f4a3b05028be19e006ae2ba9182b6.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:609'280 bytes
First seen:2022-11-25 07:39:14 UTC
Last seen:2022-11-25 09:40:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Ongh/PsZ1DX/VDJ8rrvE4kynl6i6rJ49j9qkaxv:Ongh/PVU4kYqJK9qkC
TLSH T1D1D4D5CB2F310E84DB4E34715D8D1B9462523DA548F59CF22B35AA782D468FFA69233C
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
414f4a3b05028be19e006ae2ba9182b6.exe
Verdict:
Malicious activity
Analysis date:
2022-11-25 07:41:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1fecf0a7-7fec-4cd5-805a-772320aae0c9

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/338361/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1617.31331.21615.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6380715500c584752ee1cde6/reports/c05eb878-abbc-429b-acdb-f2c6a30dc514/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/2cb4e56a-bcac-44be-b835-6d824fb03dc0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120955
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 753673 Sample: CZ7UMb5SNj.exe Startdate: 25/11/2022 Architecture: WINDOWS Score: 100 64 gcrozona.duckdns.org 2->64 76 Multi AV Scanner detection for domain / URL 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 82 11 other signatures 2->82 12 CZ7UMb5SNj.exe 3 2->12         started        16 Microsoft Intel Audios.exe 2 2->16         started        18 Microsoft Intel Audios.exe 2 2->18         started        signatures3 process4 file5 62 C:\Users\user\AppData\...\CZ7UMb5SNj.exe.log, ASCII 12->62 dropped 92 Injects a PE file into a foreign processes 12->92 20 CZ7UMb5SNj.exe 1 5 12->20         started        94 Drops executables to the windows directory (C:\Windows) and starts them 16->94 24 Microsoft Intel Audios.exe 16->24         started        26 Microsoft Intel Audios.exe 18->26         started        signatures6 process7 file8 58 C:\Windows\...\Microsoft Intel Audios.exe, PE32 20->58 dropped 60 Microsoft Intel Au...exe:Zone.Identifier, ASCII 20->60 dropped 84 Creates an autostart registry key pointing to binary in C:\Windows 20->84 28 cmd.exe 1 20->28         started        31 cmd.exe 1 20->31         started        signatures9 process10 signatures11 86 Uses ping.exe to sleep 28->86 33 Microsoft Intel Audios.exe 3 28->33         started        36 PING.EXE 1 28->36         started        39 conhost.exe 28->39         started        88 Uses cmd line tools excessively to alter registry or file data 31->88 90 Uses ping.exe to check the status of other devices and networks 31->90 41 reg.exe 1 31->41         started        43 conhost.exe 31->43         started        process12 dnsIp13 70 Injects a PE file into a foreign processes 33->70 45 Microsoft Intel Audios.exe 1 4 33->45         started        66 127.0.0.1 unknown unknown 36->66 72 Disables UAC (registry) 41->72 signatures14 process15 dnsIp16 68 gcrozona.duckdns.org 91.192.100.30, 49684, 49685, 49686 AS-SOFTPLUSCH Switzerland 45->68 96 Detected Remcos RAT 45->96 98 Installs a global keyboard hook 45->98 49 cmd.exe 45->49         started        52 iexplore.exe 45->52         started        signatures17 process18 signatures19 74 Uses cmd line tools excessively to alter registry or file data 49->74 54 conhost.exe 49->54         started        56 reg.exe 1 49->56         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c09cb187ead292e38f9552449115d0e8ad5211f65cd6cc2ad2a2e8249d7481ec/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 06:20:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ycoldb7k2kjohd4vkjcjcfoq5cwveepwltlmykwsulucjhluqhwa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:nov 24th brand:microsoft evasion persistence phishing rat trojan
Link:
https://tria.ge/reports/221125-jhk67afa4x/
Behaviour
Enumerates system info in registry
Modifies registry class
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
gcrozona.duckdns.org:6062
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2fbe0108-0612-4665-b6db-7046a6899c13
Unpacked files
SH256 hash:
9b0f78bd19f846b6818fb9dc9eece8870cdbc5490e55df709f52e9a0ef739ce2
MD5 hash:
7052261f46505fc22b960bb3b6b68a8c
SHA1 hash:
50a80f41d00365a32c44eb182e953e21ca5d8d7f
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/2b7f6d36-9caa-4d69-80c2-b29feb364222/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/2b7f6d36-9caa-4d69-80c2-b29feb364222/
SH256 hash:
e4057684afdf8979bb06ded5098d86b76da68d58bf598201a93a289784d6d4fc
MD5 hash:
71a3590412ea75c4cbc709b0ba3cbf4c
SHA1 hash:
2dab075ce23becdedca232449638d02c7e9b0c09
Link:
https://www.unpac.me/results/2b7f6d36-9caa-4d69-80c2-b29feb364222/
SH256 hash:
353daffe1a2c7561878073784644fe94f4603c4108baec41cc9985c6cfdcf2fa
MD5 hash:
e4ad7ae5c20ae783a570c11d03d09326
SHA1 hash:
21feb38c5465f81ba753b35cc4b34255f5bd330b
Link:
https://www.unpac.me/results/2b7f6d36-9caa-4d69-80c2-b29feb364222/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/2b7f6d36-9caa-4d69-80c2-b29feb364222/
SH256 hash:
c09cb187ead292e38f9552449115d0e8ad5211f65cd6cc2ad2a2e8249d7481ec
MD5 hash:
414f4a3b05028be19e006ae2ba9182b6
SHA1 hash:
2a66efff8a0dfcf8d0ac247940b8f790c3c9d377
Link:
https://www.unpac.me/results/2b7f6d36-9caa-4d69-80c2-b29feb364222/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c09cb187ead2/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/c09cb187ead292e38f9552449115d0e8ad5211f65cd6cc2ad2a2e8249d7481ec

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: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 c09cb187ead292e38f9552449115d0e8ad5211f65cd6cc2ad2a2e8249d7481ec

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/338361/

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