MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c579392d600eb07e19d7d4c7b0c485d5a9c0cdabdc66518ad4b10db7fca1eee. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 9c579392d600eb07e19d7d4c7b0c485d5a9c0cdabdc66518ad4b10db7fca1eee
SHA3-384 hash: 1f7d49f7f60e28da17f053bb83393805e3d2d3dd95532298d187267a0c500e6cae4d7caa544442ab1edae0cc2a75c742
SHA1 hash: 18823a708aff6400ca742a5afab46dcf3cb5c0b4
MD5 hash: 24e099c5b8b2a393da403c384fe88764
humanhash: virginia-dakota-black-item
File name:RFQ #03664710859027.exe
Download: download sample
Signature RemcosRAT
File size:1'068'544 bytes
First seen:2023-06-20 06:27:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:7IfEeNaj9nqfydX0066Q8uqVUHt0XskTvjwYqtm8OqK:LeUZqqdrzZuqVUqvjw+8O
Threatray 2'918 similar samples on MalwareBazaar
TLSH T18A35127C9F261A7BD498027C60A573BE2B1E9B75BDD2F3C39D41B0E8580EBA1114358E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
RFQ #03664710859027.exe
Verdict:
Malicious activity
Analysis date:
2023-06-20 06:58:52 UTC
Tags:
remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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.
Result
Threat name:
Remcos, PrivateLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 891492 Sample: RFQ_#03664710859027.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 9 other signatures 2->53 7 KCyxNhFksx.exe 5 2->7         started        11 RFQ_#03664710859027.exe 7 2->11         started        process3 dnsIp4 45 192.168.2.1 unknown unknown 7->45 55 Antivirus detection for dropped file 7->55 57 Multi AV Scanner detection for dropped file 7->57 59 Contains functionality to bypass UAC (CMSTPLUA) 7->59 65 6 other signatures 7->65 14 schtasks.exe 1 7->14         started        16 KCyxNhFksx.exe 7->16         started        18 KCyxNhFksx.exe 7->18         started        33 C:\Users\user\AppData\...\KCyxNhFksx.exe, PE32 11->33 dropped 35 C:\Users\...\KCyxNhFksx.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp2456.tmp, XML 11->37 dropped 39 C:\Users\user\...\RFQ_#03664710859027.exe.log, ASCII 11->39 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 11->61 63 Adds a directory exclusion to Windows Defender 11->63 20 RFQ_#03664710859027.exe 3 13 11->20         started        23 powershell.exe 21 11->23         started        25 schtasks.exe 1 11->25         started        file5 signatures6 process7 dnsIp8 27 conhost.exe 14->27         started        41 89.37.99.49, 49694, 5888 BANDWIDTH-ASGB Romania 20->41 43 geoplugin.net 178.237.33.50, 49695, 80 ATOM86-ASATOM86NL Netherlands 20->43 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        process9
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2023-06-19 16:21:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
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:
89.37.99.49:5888
Unpacked files
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
90d1cca3e0fed67f2ce3bfc544c32aed40d60ec6d2e69cd9426eed67f650ec78
MD5 hash:
c1bf9e6119421b65cc518563816602f2
SHA1 hash:
bec5f7243fd9c522099887a9d40ccce7ffce9e3f
SH256 hash:
24b077fd9b344cd944a736f24ada8b80c7285f7343ff9dc56b58769bde27e4f6
MD5 hash:
64fcc151459a284a183dbbc044aa2142
SHA1 hash:
a33fa55f857e654bb5688c116680217e673bb600
SH256 hash:
c48dcc28ac60802700509a80c0949f240d3fc2a1a3713a8254f4fd790599324b
MD5 hash:
24365f25f8b5f06ca67c0ce72217cc62
SHA1 hash:
a2dccd0a9aefe4db464da081c2c4b15833788ce7
Detections:
Remcos win_remcos_auto
SH256 hash:
a494e525bd6a34718b2bd646ecb8034c2c3fcfd19c55395282f46f3204026d18
MD5 hash:
083668a282fb8751a61b6d0f4aeeaef6
SHA1 hash:
301413d6abad9d600df0f3c47af6d86625f506cf
SH256 hash:
9c579392d600eb07e19d7d4c7b0c485d5a9c0cdabdc66518ad4b10db7fca1eee
MD5 hash:
24e099c5b8b2a393da403c384fe88764
SHA1 hash:
18823a708aff6400ca742a5afab46dcf3cb5c0b4
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments