MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5
SHA3-384 hash: 2acc211fb7b96f29c09026c629cbaf670305550229ede08d534c3bc749ae152b6ce1b6ba8c3e6eb4ba9bcd1204f0e753
SHA1 hash: f9f3d26d71a634df540111d69d55c7a180e9718d
MD5 hash: 20721fa2a71b3826847d2c93b419fffb
humanhash: alaska-johnny-wyoming-florida
File name:FAZT987800090.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'349'632 bytes
First seen:2024-03-04 13:40:59 UTC
Last seen:2024-03-04 15:24:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Dtb20pkaCqT5TBWgNQ7aUplAEPliwF+yCb66zTgYyE6A:AVg5tQ7aURPliwwvb6yt5
TLSH T14355AD136F9DB260C26252737A55770DAE6B7C2D3EE1F45B2F9C393CE930121121AA63
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 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 15 x RemcosRAT)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
HU HU
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed shell32
Link:
https://www.filescan.io/uploads/65e5cf8306b24253d236be3b/reports/aed37e69-9b49-4787-99f5-094af55d57cf/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5
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/c4988d21-5c52-41d2-80ca-c674c6a2fac6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402691
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Delayed program exit found
Drops VBS files to the startup folder
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402691 Sample: FAZT987800090.exe Startdate: 04/03/2024 Architecture: WINDOWS Score: 100 36 geoplugin.net 2->36 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 8 other signatures 2->56 8 FAZT987800090.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 30 C:\Users\user\...\peristeromorphous.exe, PE32 8->30 dropped 66 Binary is likely a compiled AutoIt script file 8->66 14 peristeromorphous.exe 3 18 8->14         started        68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->68 19 peristeromorphous.exe 2 12->19         started        signatures6 process7 dnsIp8 38 107.175.229.139, 49722, 49723, 8087 AS-COLOCROSSINGUS United States 14->38 40 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 14->40 32 C:\Users\user\AppData\Roaming\aka\yes.png, data 14->32 dropped 34 C:\Users\user\...\peristeromorphous.vbs, data 14->34 dropped 42 Antivirus detection for dropped file 14->42 44 Contains functionality to bypass UAC (CMSTPLUA) 14->44 46 Binary is likely a compiled AutoIt script file 14->46 48 8 other signatures 14->48 21 peristeromorphous.exe 1 14->21         started        24 peristeromorphous.exe 1 14->24         started        26 peristeromorphous.exe 2 14->26         started        28 peristeromorphous.exe 14->28         started        file9 signatures10 process11 signatures12 58 Binary is likely a compiled AutoIt script file 21->58 60 Tries to steal Instant Messenger accounts or passwords 21->60 62 Tries to steal Mail credentials (via file / registry access) 21->62 64 Tries to harvest and steal browser information (history, passwords, etc) 24->64
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-29 09:53:53 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijdaymv7mjh2wspdqxulxhx6o7ob6pdtvobeah6qojbte2fkt3cq._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Link:
https://tria.ge/reports/240304-qy5dbscf74/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
107.175.229.139:8087
Unpacked files
SH256 hash:
6edc7cb5271655eb893ef15120eff10cc6cc139512a0c242f91b90fba27076af
MD5 hash:
fb706c71306d377d489c6f7f4e4e3232
SHA1 hash:
52864807a001f968c7d7ce929d70793bf86bc6aa
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/87955295-2096-4089-ae5a-0d00c52ce384/
Parent samples :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 hash:
42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5
MD5 hash:
20721fa2a71b3826847d2c93b419fffb
SHA1 hash:
f9f3d26d71a634df540111d69d55c7a180e9718d
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/87955295-2096-4089-ae5a-0d00c52ce384/
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/42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5

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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

RemcosRAT

Executable exe 42460c32bf624fab49e385e8bb9efe77dc1f3c73ab82401fd072433268aa9ec5

(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::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
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::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
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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