MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d82562a1db289dff5085aee93a4a1bf572ee1ade364205e146a42667e02404d3. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: d82562a1db289dff5085aee93a4a1bf572ee1ade364205e146a42667e02404d3
SHA3-384 hash: 40f88501763e3c7ed9c9ce8adba1a1c575c4c6d2743754e4a31d60cead1690ede6939310cfadf2283a47ed56e3bcb74a
SHA1 hash: 1c4372f310b633709235bfc7b0498dd1acbd8275
MD5 hash: 1fafdd34af756e21bd454f3b1cc8f7c2
humanhash: pip-aspen-six-pizza
File name:1fafdd34af756e21bd454f3b1cc8f7c2
Download: download sample
Signature RemcosRAT
File size:1'113'088 bytes
First seen:2023-04-06 11:52:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:eT1PKhifCdBnyakooljcHqxPRi4oo2I3Q0r:eTQi+yakbljWqxPM4oo2I3Br
Threatray 1'791 similar samples on MalwareBazaar
TLSH T13B35AD511D6245C2C8B50FB444B979480BB4AC538FE0A03F7D86797E8FFAB9B548A3D2
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 zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
261
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
New Purchase Order.doc
Verdict:
Malicious activity
Analysis date:
2023-04-06 10:32:34 UTC
Tags:
exploit cve-2017-11882 loader rat remcos

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842566 Sample: 3Zr4AYEVhL.exe Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 8 other signatures 2->49 7 3Zr4AYEVhL.exe 7 2->7         started        11 LLyBDVIfmzpvCe.exe 2 2->11         started        13 remcos.exe 2 2->13         started        15 2 other processes 2->15 process3 file4 35 C:\Users\user\AppData\...\LLyBDVIfmzpvCe.exe, PE32 7->35 dropped 37 C:\...\LLyBDVIfmzpvCe.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp3BB6.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...\3Zr4AYEVhL.exe.log, ASCII 7->41 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 7->51 53 Contains functionality to steal Chrome passwords or cookies 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 61 4 other signatures 7->61 17 3Zr4AYEVhL.exe 2 4 7->17         started        20 powershell.exe 21 7->20         started        22 schtasks.exe 1 7->22         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 signatures5 process6 file7 31 C:\ProgramData\Remcos\remcos.exe, PE32 17->31 dropped 33 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 17->33 dropped 24 remcos.exe 2 17->24         started        27 conhost.exe 20->27         started        29 conhost.exe 22->29         started        process8 signatures9 63 Multi AV Scanner detection for dropped file 24->63 65 Machine Learning detection for dropped file 24->65
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2023-04-06 11:53:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:group file01 persistence 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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
fresh03.ddns.net:45265
Unpacked files
SH256 hash:
8b03c9e3d0e5ea7ecfed61ca8c105bb5a031b83c1f097b68e1a19b10fc4792c3
MD5 hash:
c107f55c68118c8bc1c009f4a4cb37db
SHA1 hash:
90f83d4e73e036bee60f7cbdfe9e914b1f519e6b
SH256 hash:
f812ee2f2f32238c3c8b3cf2973662fda23f547202d378a2dcd9054b96ff7f97
MD5 hash:
4c07dd4f8dc2046f45661ddc06fcfbda
SHA1 hash:
7d920ac2c88d6e90c14d3014566502c00c34c134
SH256 hash:
3c507afadbb1c31a9ebdd24baac5739d47576159e01c5e84f973c951885100aa
MD5 hash:
e79bf0e7e9d52d398e0b23b352394c68
SHA1 hash:
682325763a0ec77e0fd475ea3a4021b4651eceac
SH256 hash:
5bee5e3707d2f61e4c5c4962ffe7f2eda4aea38daa23dfe939043a91e096f5ab
MD5 hash:
51032cb194413845f4bc0765dd7c54f4
SHA1 hash:
614bd30dce26ef5d5057865fec01713936d9dae2
Detections:
Remcos win_remcos_auto
SH256 hash:
ae09f69ae1f8064255a4cc374070d4a882a3abba00639ee1c206eed3f2982e98
MD5 hash:
c75f4fc5f57dcfda371b334c7baa78b0
SHA1 hash:
608bea0ef153549552916b3089ac2b7334b07464
SH256 hash:
d82562a1db289dff5085aee93a4a1bf572ee1ade364205e146a42667e02404d3
MD5 hash:
1fafdd34af756e21bd454f3b1cc8f7c2
SHA1 hash:
1c4372f310b633709235bfc7b0498dd1acbd8275
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.

Web download

RemcosRAT

Executable exe d82562a1db289dff5085aee93a4a1bf572ee1ade364205e146a42667e02404d3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-04-06 11:52:11 UTC

url : hxxp://jsw.co.id/system1/Group.exe