MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
SHA3-384 hash: 3df9520241599f0b6459bb854bf7d516dd8609af6a602e4b4ade3ea7e327f19c7022eb9a2e4f371951cf5da81f2ea490
SHA1 hash: 9420ab564a73c740bad5e30842ca61c213242230
MD5 hash: 051050fd522fd5c484d66cd783b5add4
humanhash: yellow-river-august-carpet
File name:aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'914'368 bytes
First seen:2025-02-07 14:05:11 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 49152:gTvC/MTQYxsWR7ais+w7GW6vNeKjQO1s17W9OrU:IjTQYxsWRS76Ve0QIs17gS
TLSH T1A895E10273C1D022FF9B92334F9AF6515ABC79260123E61F13981979BE705B2563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
Verdict:
Malicious activity
Analysis date:
2025-02-07 15:00:08 UTC
Tags:
remcos rat autoit
Link:
https://app.any.run/tasks/dd9c7e5b-976c-4269-b790-dc0c349bd56b

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=67a613e4ab8a2d1c6bcd7b6c
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Connection attempt
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
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/03412bf3-401d-4559-8dc0-1ae07e9f3b1c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609268
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Joe Sandbox ML detected suspicious sample
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
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609268 Sample: 5JSYuhAD7k.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 69 192.210.150.26 AS-COLOCROSSINGUS United States 2->69 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 9 other signatures 2->85 15 5JSYuhAD7k.exe 3 2->15         started        19 wscript.exe 1 2->19         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\...\Sheitan.exe, PE32 15->67 dropped 71 Binary is likely a compiled AutoIt script file 15->71 73 Found API chain indicative of sandbox detection 15->73 21 Sheitan.exe 1 15->21         started        75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 19->75 25 Sheitan.exe 19->25         started        signatures6 process7 file8 65 C:\Users\user\AppData\Roaming\...\Sheitan.vbs, data 21->65 dropped 91 Antivirus detection for dropped file 21->91 93 Multi AV Scanner detection for dropped file 21->93 95 Binary is likely a compiled AutoIt script file 21->95 97 3 other signatures 21->97 27 Sheitan.exe 21->27         started        30 Sheitan.exe 25->30         started        signatures9 process10 signatures11 103 Binary is likely a compiled AutoIt script file 27->103 32 Sheitan.exe 27->32         started        35 Sheitan.exe 30->35         started        process12 signatures13 77 Binary is likely a compiled AutoIt script file 32->77 37 Sheitan.exe 32->37         started        40 Sheitan.exe 35->40         started        process14 signatures15 89 Binary is likely a compiled AutoIt script file 37->89 42 Sheitan.exe 37->42         started        45 Sheitan.exe 40->45         started        process16 signatures17 101 Binary is likely a compiled AutoIt script file 42->101 47 Sheitan.exe 42->47         started        50 Sheitan.exe 45->50         started        process18 signatures19 107 Binary is likely a compiled AutoIt script file 47->107 52 Sheitan.exe 47->52         started        55 Sheitan.exe 50->55         started        process20 signatures21 87 Binary is likely a compiled AutoIt script file 52->87 57 Sheitan.exe 52->57         started        60 Sheitan.exe 55->60         started        process22 signatures23 99 Binary is likely a compiled AutoIt script file 57->99 62 Sheitan.exe 57->62         started        process24 signatures25 105 Binary is likely a compiled AutoIt script file 62->105
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-01-10 21:51:00 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vkluhqy364ilzk6ghrvnr5nia6vremlo5xlt73wr2bb3hhd2onda._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Link:
https://tria.ge/reports/250207-rd3jnstlbs/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
192.210.150.26:3678
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/0ef56817-6be4-434d-840c-68454c862d89
Unpacked files
SH256 hash:
e9077ad335bfe27a3217406b06411f96d66e7af4bd59e21ba88f1b6c59cd24b5
MD5 hash:
575d16384315352aa0a0b0eab3a62b6c
SHA1 hash:
2bd99b62a965febf54c0e72a1afee93c12f135b6
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/198bb3d8-7818-4b95-a6db-4fea31b75ee3/
Parent samples :
0e27dd330bbcbe143cb6e1effca5d05625dbc7e4eaac5ad46f2613a510a0f692
e9077ad335bfe27a3217406b06411f96d66e7af4bd59e21ba88f1b6c59cd24b5
c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0
0d9239013e7f6fab8aab618ce46b5225d0283da9f81d937cae7a3988a127f879
aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
SH256 hash:
aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346
MD5 hash:
051050fd522fd5c484d66cd783b5add4
SHA1 hash:
9420ab564a73c740bad5e30842ca61c213242230
Link:
https://www.unpac.me/results/198bb3d8-7818-4b95-a6db-4fea31b75ee3/
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/aa9743c31bf710bcabc63c6ad8f5a807ab12316eedd73feed1d043b39c7a7346

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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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