MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af6da282b909429590b47c87d3be4b41dd8386effaa670df8867dd0fcb45c004. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments

SHA256 hash: af6da282b909429590b47c87d3be4b41dd8386effaa670df8867dd0fcb45c004
SHA3-384 hash: 9701bd18b3e32dc97a819b1623b276c25652ff9383a6520ae3468a84cc081743e7b67f2eb8a879f9cf1cacf13f17a462
SHA1 hash: bdf263ec3ec11f8afdb7cefc7e70f2b7a985a366
MD5 hash: a44a74f6ec6cc1bd66109869de39ad8c
humanhash: maryland-red-shade-lemon
File name:05-16-SO-2001 (so+inv+pkw) - PN1 MOL MAESTRO V-073E..scr
Download: download sample
Signature RemcosRAT
File size:960'000 bytes
First seen:2024-05-30 18:37:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:PbBPJwKcIodALlHdITbO6AiKzBg6TL0UeTwjX0VwSGnYZPywr5yqO/8uvYWsox1H:zBhcRAJHdZiG7eTwjXacYZvyqInx1rU
Threatray 4'141 similar samples on MalwareBazaar
TLSH T1DB15235130F96335D17E97F7893181820BB2F9225239E61A3CCB66DF4FE36124942B6B
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) (4504/4/1)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
385
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
af6da282b909429590b47c87d3be4b41dd8386effaa670df8867dd0fcb45c004.exe
Verdict:
Malicious activity
Analysis date:
2024-05-30 18:38:29 UTC
Tags:
rat remcos keylogger

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

Behaviour
Сreating synchronization primitives
Creating a window
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade packed remcos remote vbnet
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:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1449755 Sample: 05-16-SO-2001 (so+inv+pkw) ... Startdate: 30/05/2024 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 14 other signatures 2->49 8 05-16-SO-2001 (so+inv+pkw) - PN1 MOL MAESTRO V-073E..scr.exe 3 2->8         started        11 AnyDesk.exe 2 2->11         started        13 AnyDesk.exe 2 2->13         started        15 AnyDesk.exe 2 2->15         started        process3 signatures4 53 Injects a PE file into a foreign processes 8->53 17 05-16-SO-2001 (so+inv+pkw) - PN1 MOL MAESTRO V-073E..scr.exe 2 4 8->17         started        21 AnyDesk.exe 11->21         started        23 AnyDesk.exe 13->23         started        25 AnyDesk.exe 15->25         started        process5 file6 35 C:\ProgramData\AnyDesk\AnyDesk.exe, PE32 17->35 dropped 51 Creates autostart registry keys with suspicious names 17->51 27 AnyDesk.exe 3 17->27         started        signatures7 process8 signatures9 55 Multi AV Scanner detection for dropped file 27->55 57 Machine Learning detection for dropped file 27->57 59 Injects a PE file into a foreign processes 27->59 30 AnyDesk.exe 3 3 27->30         started        process10 dnsIp11 39 104.250.180.178, 49714, 49724, 49726 M247GB United States 30->39 37 C:\ProgramData\AnyDesk\logs.dat, data 30->37 dropped 41 Installs a global keyboard hook 30->41 file12 signatures13
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-05-30 07:16:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
104.250.180.178:7902
Unpacked files
SH256 hash:
f1d7b16d00a5c3e65ce0c498b567fe70ba334c1c51c58144cf8e7966b126c8c5
MD5 hash:
7f71aa611a47436a942fd26375dee76d
SHA1 hash:
ea47d8945b5b9fa39f401345fda7308d5dd17ae0
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
SH256 hash:
e104e6d0712683b3014293309b146483be991e0fd212b66e80446375479fd6a6
MD5 hash:
03f45e99d86db2a9810f2a4260f39d22
SHA1 hash:
2a0db405be6e7d2df4d6673558576a7220617a22
SH256 hash:
af6da282b909429590b47c87d3be4b41dd8386effaa670df8867dd0fcb45c004
MD5 hash:
a44a74f6ec6cc1bd66109869de39ad8c
SHA1 hash:
bdf263ec3ec11f8afdb7cefc7e70f2b7a985a366
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:NET
Author:malware-lu
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.

Malspam

RemcosRAT

Executable exe af6da282b909429590b47c87d3be4b41dd8386effaa670df8867dd0fcb45c004

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments