MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e
SHA3-384 hash: e63cbd1a5fa76605530f55191d07e4e503ad4e20d1f7300230112db00ab69514622219b17f30ed8c1e138a0b06d492f5
SHA1 hash: e5c612e6de7696296a13a5c59ee1712084559919
MD5 hash: e3504f07ea46e8c5ce1321b44e752556
humanhash: shade-indigo-beryllium-utah
File name:Document SWIFT Payment Copy Ref#8374837293.exe
Download: download sample
Signature RemcosRAT
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File size:1'376'256 bytes
First seen:2024-08-29 05:43:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:qAHnh+eWsN3skA4RV1Hom2KXMmHaYMCcRJjERtK/cfrWIlcf6NyEi5:9h+ZkldoPK8YaYrc/jYK/cf6YcCM
TLSH T1BD55CE0273D1C036FFABA2739B6AB64156BC78650123852F13981DB9BD701B2277E763
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
525
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Document SWIFT Payment Copy Ref#8374837293.exe
Verdict:
Malicious activity
Analysis date:
2024-08-29 05:47:26 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/84880433-5b86-4bc3-a0e5-c799dc21f6c2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.23663.10217.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d00aa8fe69a9e56049d14c
Tags:
Encryption Execution Generic Network Stealth Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Connection attempt
Creating a file
Blocking the User Account Control
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e
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/f8c1368f-9d89-4865-b9c5-cb021cb91cab
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1500956
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Disables UAC (registry)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Remcos
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1500956 Sample: Document SWIFT Payment Copy... Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 10 Document SWIFT Payment Copy Ref#8374837293.exe 4 2->10         started        process3 signatures4 67 Binary is likely a compiled AutoIt script file 10->67 13 Document SWIFT Payment Copy Ref#8374837293.exe 2 10->13         started        16 svchost.exe 10->16         started        process5 signatures6 71 Binary is likely a compiled AutoIt script file 13->71 18 Document SWIFT Payment Copy Ref#8374837293.exe 2 13->18         started        21 svchost.exe 13->21         started        process7 signatures8 51 Binary is likely a compiled AutoIt script file 18->51 53 Writes to foreign memory regions 18->53 55 Maps a DLL or memory area into another process 18->55 23 svchost.exe 4 18->23         started        process9 dnsIp10 41 84.38.132.40, 2404, 49706, 49719 DATACLUBLV Latvia 23->41 59 System process connects to network (likely due to code injection or exploit) 23->59 61 Detected Remcos RAT 23->61 63 Uses cmd line tools excessively to alter registry or file data 23->63 65 Maps a DLL or memory area into another process 23->65 27 cmd.exe 1 23->27         started        30 svchost.exe 23->30         started        32 svchost.exe 23->32         started        34 27 other processes 23->34 signatures11 process12 signatures13 69 Uses cmd line tools excessively to alter registry or file data 27->69 36 reg.exe 1 27->36         started        39 conhost.exe 27->39         started        process14 signatures15 57 Disables UAC (registry) 36->57
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e/
Threat name:
Win32.Trojan.AutoitInject
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Status:
Malicious
First seen:
2024-08-28 02:22:42 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=37eocdpgt5eq6glgjr2tqyxnsvdgdfo7yro24t4lioqrkznszsha._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:dorobumajor discovery evasion rat trojan
Link:
https://tria.ge/reports/240829-ge6bvaybmp/
Behaviour
Modifies registry key
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Remcos
UAC bypass
Malware Config
C2 Extraction:
84.38.132.40:2404
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1b9a70f0-22fe-456a-b296-f77ab2cc5d4b
Unpacked files
SH256 hash:
07612c644ef7d16745703f047b8dc31f0102f81f500b90d2b03c68f140391544
MD5 hash:
b7db17dfa54f1da68e24b4caa47ca44e
SHA1 hash:
9692046170718acf2f59311af3c52c1b267938f9
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/b5dece31-9f5f-4b22-9d41-ef7ac3549292/
SH256 hash:
dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e
MD5 hash:
e3504f07ea46e8c5ce1321b44e752556
SHA1 hash:
e5c612e6de7696296a13a5c59ee1712084559919
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
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Link:
https://www.unpac.me/results/b5dece31-9f5f-4b22-9d41-ef7ac3549292/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dfc8e10de69f/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/dfc8e10de69f490f19664c753862ed95466195dfc45dae4f8b43a11565b2cc8e

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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research

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::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::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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