MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b
SHA3-384 hash: 3a7ad355683069ebc5ad11c6f2853555ddd858d6494b485166e3050103694f8618cff732e05700a63d5da11ee83cb2c6
SHA1 hash: bf30c30071ea553e0bc2a01aa2ebad1d2cef8868
MD5 hash: 9549b9ff42af2fdd1943a1cb5e41baff
humanhash: vermont-oregon-avocado-winter
File name:new.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'442'304 bytes
First seen:2024-08-21 06:50:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:KqDEvCTbMWu7rQYlBQcBiT6rprG8aLxnmUItiv3cXziE1ToL8X/6P:KTvC/MTQYxsWR7aLxnmUj/Oz72Av
Threatray 2'862 similar samples on MalwareBazaar
TLSH T12665D0027381C062FF9B92734B5AF6515BBC79260123E62F13A81DB9BD701B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
new.exe
Verdict:
Malicious activity
Analysis date:
2024-08-21 06:51:33 UTC
Tags:
remcos rat remote evasion
Link:
https://app.any.run/tasks/a3fcb965-77bd-412d-a2e0-a4fdcc5ffc1d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c58e58b2a4681a7296694b
Tags:
Generic Stealth Trojan Heur
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66c58e57059f29617f1d1df3/reports/46041e86-8f28-4515-84d8-13237a4ea562/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb53470b-c9e5-475a-898e-cd61337a7d92
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1496365
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
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: Drops script at startup location
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1496365 Sample: new.exe Startdate: 21/08/2024 Architecture: WINDOWS Score: 100 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 8 other signatures 2->86 14 new.exe 6 2->14         started        18 remcos.exe 2 2->18         started        20 remcos.exe 2->20         started        process3 file4 78 C:\Users\user\AppData\Local\...\chrome.exe, PE32 14->78 dropped 120 Binary is likely a compiled AutoIt script file 14->120 122 Found API chain indicative of sandbox detection 14->122 22 chrome.exe 2 6 14->22         started        26 remcos.exe 2 18->26         started        28 remcos.exe 20->28         started        signatures5 process6 file7 74 C:\ProgramData\Remcos\remcos.exe, PE32 22->74 dropped 76 C:\Users\user\AppData\Roaming\...\chrome.vbs, data 22->76 dropped 94 Multi AV Scanner detection for dropped file 22->94 96 Contains functionality to bypass UAC (CMSTPLUA) 22->96 98 Detected Remcos RAT 22->98 102 8 other signatures 22->102 30 remcos.exe 2 22->30         started        100 Binary is likely a compiled AutoIt script file 26->100 33 remcos.exe 26->33         started        35 remcos.exe 28->35         started        signatures8 process9 signatures10 112 Multi AV Scanner detection for dropped file 30->112 114 Binary is likely a compiled AutoIt script file 30->114 116 Machine Learning detection for dropped file 30->116 118 Found API chain indicative of sandbox detection 30->118 37 remcos.exe 2 30->37         started        40 remcos.exe 33->40         started        42 remcos.exe 35->42         started        process11 signatures12 92 Binary is likely a compiled AutoIt script file 37->92 44 remcos.exe 2 37->44         started        47 remcos.exe 40->47         started        49 remcos.exe 42->49         started        process13 signatures14 108 Binary is likely a compiled AutoIt script file 44->108 51 remcos.exe 2 44->51         started        54 remcos.exe 47->54         started        process15 signatures16 90 Binary is likely a compiled AutoIt script file 51->90 56 remcos.exe 2 51->56         started        59 remcos.exe 54->59         started        process17 signatures18 106 Binary is likely a compiled AutoIt script file 56->106 61 remcos.exe 2 56->61         started        64 remcos.exe 59->64         started        process19 signatures20 110 Binary is likely a compiled AutoIt script file 61->110 66 remcos.exe 2 61->66         started        69 remcos.exe 64->69         started        process21 signatures22 88 Binary is likely a compiled AutoIt script file 66->88 71 remcos.exe 2 66->71         started        process23 signatures24 104 Binary is likely a compiled AutoIt script file 71->104
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-21 04:34:24 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ceqenswcue6xw5e3jvpxwjmm2ckivgib3pmxkac67tszx5g3nvq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
248653074d88fac18a59e758a14fac1c0dcb8af24f32b17a43a15222cf93576e
RemcosRAT
50eca9149b4ca5e7ae52720cf8827515a1be68e3d8df8606ad5a49ce0cce4b7f
RemcosRAT
6610fa5fa05c6918011ca2ea766eb3062869086dc66713e1d259ac7c4efc4550
RemcosRAT
867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4
RemcosRAT
eb183cf5d6e217532b203ab9f336e266537828eed01c53158da95d609f4ebea6
RemcosRAT
ff0c2713415e355426261381aa3f3dcad5a913871e5bb6c1c48d5edea210fcfd
RemcosRAT
ffcfe6a6032cdcef4790afe356d82939369b5e49ba72719b3e592a4de7fd9890
RemcosRAT
+ 2'852 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery persistence rat spyware stealer
Link:
https://tria.ge/reports/240821-hmgtwsycmm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
192.3.64.152:2559
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/07735513-e956-4bfa-9636-e5428506ab87
Unpacked files
SH256 hash:
bc4006a6410b41acf37b40160443b37eca66d1c0009e62cb53c12b52828041cb
MD5 hash:
e4d0e35cd0a64b401444a504a29d5d81
SHA1 hash:
233cdd31d23a9e9ff98841d302c5c6aeca7a3a39
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/284769d8-b0df-4ae4-89f8-dd75aff75ad0/
SH256 hash:
f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b
MD5 hash:
9549b9ff42af2fdd1943a1cb5e41baff
SHA1 hash:
bf30c30071ea553e0bc2a01aa2ebad1d2cef8868
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/284769d8-b0df-4ae4-89f8-dd75aff75ad0/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f08902365615/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/f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Malspam

RemcosRAT

Executable exe f0890236561509ebdba4da6afbd92c6684a454c80edecba802f7e72cdfa6db6b

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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