MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d. 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: 17


Intelligence 17 IOCs 1 YARA 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d
SHA3-384 hash: b4805c92c4bc5263023ba52518fb3183f1d73b7d2dbcce0eecc2e16397d8269ebfbd54bccb9d6127eb440a41a5e37f0c
SHA1 hash: 38f7494009a4a2150235b68e36507b1a4a329280
MD5 hash: 8468d9d6f884673e68f496f022b0a95f
humanhash: winner-spring-undress-failed
File name:DHD98778900003.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'334'784 bytes
First seen:2025-07-14 10:50:06 UTC
Last seen:2025-07-14 12:58:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Ttb20pkaCqT5TBWgNQ7afu60Vy6ss/DKlvXTFx6A:QVg5tQ7afu3DDKdD/5
Threatray 1'073 similar samples on MalwareBazaar
TLSH T19C55D01373DDC361C7725273BA26B741BEBB782506A5F96B2FD8093DE820122521E673
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
107.175.148.74:1921

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
107.175.148.74:1921 https://threatfox.abuse.ch/ioc/1556633/

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHD98778900003.exe
Verdict:
Malicious activity
Analysis date:
2025-07-14 10:51:22 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/0ccdf43b-5deb-462a-9db3-0b37c234e7f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/14220/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6874e0fac9eb97473768c596
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6874e102a15b22faa8b10a2f/reports/c00a7c8d-f221-4079-955a-2b2d3db7dbc7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0b88dd4-e465-45b3-a5d5-9c67ff4531ee
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1735924
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
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)
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)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735924 Sample: DHD98778900003.exe Startdate: 14/07/2025 Architecture: WINDOWS Score: 100 51 geoplugin.net 2->51 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 9 other signatures 2->75 9 DHD98778900003.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\flexuosely.exe, PE32 9->47 dropped 85 Binary is likely a compiled AutoIt script file 9->85 15 flexuosely.exe 3 9->15         started        87 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->87 19 flexuosely.exe 2 13->19         started        signatures6 process7 file8 49 C:\Users\user\AppData\...\flexuosely.vbs, data 15->49 dropped 57 Multi AV Scanner detection for dropped file 15->57 59 Binary is likely a compiled AutoIt script file 15->59 61 Drops VBS files to the startup folder 15->61 63 Switches to a custom stack to bypass stack traces 15->63 21 svchost.exe 2 16 15->21         started        65 Writes to foreign memory regions 19->65 67 Maps a DLL or memory area into another process 19->67 26 svchost.exe 19->26         started        signatures9 process10 dnsIp11 53 107.175.148.74, 1921, 49691, 49692 AS-COLOCROSSINGUS United States 21->53 55 geoplugin.net 178.237.33.50, 49693, 49712, 80 ATOM86-ASATOM86NL Netherlands 21->55 45 C:\ProgramData\remcos\logs.dat, data 21->45 dropped 77 Installs a global keyboard hook 21->77 28 svchost.exe 1 21->28         started        31 svchost.exe 1 21->31         started        33 WerFault.exe 20 16 21->33         started        43 4 other processes 21->43 79 System process connects to network (likely due to code injection or exploit) 26->79 81 Detected Remcos RAT 26->81 83 Maps a DLL or memory area into another process 26->83 35 svchost.exe 26->35         started        37 svchost.exe 26->37         started        39 svchost.exe 26->39         started        41 conhost.exe 26->41         started        file12 signatures13 process14 signatures15 89 Tries to steal Instant Messenger accounts or passwords 28->89 91 Tries to steal Mail credentials (via file / registry access) 28->91 93 Tries to harvest and steal browser information (history, passwords, etc) 37->93
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/8468d9d6f884673e68f496f022b0a95f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 09:42:05 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nga5q4bbolodt4ycxxvusf6a5ne7pq33fkil5za7mtgozr7jjf6q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_036
Create hunting rule
nirsoft
Create hunting rule
autoit
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
01e64e728e9cb3b71936e9e728a60bd347a9255a39b925534f3b6c730626b533
RemcosRAT
150adfe834b0509c5fa6f96048215cb69a9810d5ab2157aea11f72c6d9221e68
RemcosRAT
21224cc236d63c5d3d7d3f80be375d3c2408f7a91b08eb6a16d70c7db21106d9
RemcosRAT
49c04ebf5b502cf960b7808dbe53a7e28d2c9302da88c26873149d12b16b3560
RemcosRAT
754da186c4e37abfd6f3a1c6108f567f4c05dd1082a8b139ec7745b108c377b8
RemcosRAT
a35234d3e33acbb7e53abaec38ced3a45f6df0ad5ee17ba52b49478d0418f1da
RemcosRAT
error
RemcosRAT
+ 1'063 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Link:
https://tria.ge/reports/250714-mxhlds1jy8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
107.175.148.74:1921
Verdict:
Malicious
Tags:
Remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/de6f8241-7c55-47f1-b71a-e11c5fbbe387
Unpacked files
SH256 hash:
6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d
MD5 hash:
8468d9d6f884673e68f496f022b0a95f
SHA1 hash:
38f7494009a4a2150235b68e36507b1a4a329280
Link:
https://www.unpac.me/results/085edac6-d1ed-485c-866f-9e6cb850dd73/
SH256 hash:
cc0c7298dfe071a7ce1630050b27ef538d6c9dcaa11f9a1609f1b672dce24f3b
MD5 hash:
09242d7960aa472248026fd597e7f354
SHA1 hash:
99f6ee740dc4633d07e1134e2ca4d10bc95f24b1
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_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/085edac6-d1ed-485c-866f-9e6cb850dd73/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:nirsoft_v1
Create hunting rule
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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)
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/14220/

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

Comments