MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dca5762afcbdd54dcbdf8c0b2de6313ba681f42bd5f958bec47891cc2a24113d. 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

SHA256 hash: dca5762afcbdd54dcbdf8c0b2de6313ba681f42bd5f958bec47891cc2a24113d
SHA3-384 hash: e7f6c64c1b3139b6b074dd9937170241fccb6b1000a38e11d7f0d079d6a722af406c8244d45723e05b65c2c18a049247
SHA1 hash: f814a356d318c9dc4369d198b42b0f85fb6d5644
MD5 hash: 597a9fe13b9fde050bd90447e0efc8f5
humanhash: yankee-gee-delta-seventeen
File name:quy định mới về lương.exe
Download: download sample
Signature RemcosRAT
File size:1'028'848 bytes
First seen:2025-08-08 16:25:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 24576:Rc9J2F22PDccYZ/V/JTnBrkqyboMAxyIWPkTOWRNORfe:W9J2F22PYc8/RiqykMAZWsBkfe
Threatray 4'306 similar samples on MalwareBazaar
TLSH T11D2512912B825342CA775BB4CCBA06718A79BC8194F19A0F63233D2FF53F244B94E765
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:Bankier
Issuer:Bankier
Algorithm:sha256WithRSAEncryption
Valid from:2025-07-18T23:46:24Z
Valid to:2026-10-21T23:46:24Z
Serial number: 252bf66ac94654daec5829ebbb6f2cbacc2bc309
Thumbprint Algorithm:SHA256
Thumbprint: af2ccbc82984fea0b9ac58ea91911c80635feb1a12f50eec2a91863e68a5bde0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
quy định mới về lương.exe
Verdict:
Malicious activity
Analysis date:
2025-08-08 16:27:42 UTC
Tags:
rat remcos auto-reg remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay signed
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753158 Sample: quy #U0111#U1ecbnh m#U1edbi... Startdate: 08/08/2025 Architecture: WINDOWS Score: 100 51 196.251.92.62 Web4AfricaZA Seychelles 2->51 53 drive.usercontent.google.com 2->53 55 drive.google.com 2->55 57 Found malware configuration 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 9 quy #U0111#U1ecbnh m#U1edbi v#U1ec1 l#U01b0#U01a1ng.exe 3 56 2->9         started        13 remcos.exe 13 2->13         started        15 remcos.exe 13 2->15         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\...\System.dll, PE32 9->37 dropped 39 C:\Users\user\AppData\Local\...\nso4219.tmp, COM 9->39 dropped 79 Found direct / indirect Syscall (likely to bypass EDR) 9->79 17 quy #U0111#U1ecbnh m#U1edbi v#U1ec1 l#U01b0#U01a1ng.exe 2 10 9->17         started        41 C:\Users\user\AppData\Local\Temp\nseD53.tmp, COM 13->41 dropped 43 C:\Users\user\AppData\Local\...\nsmC7AF.tmp, COM 15->43 dropped signatures6 process7 dnsIp8 47 drive.google.com 142.250.80.110, 443, 49694 GOOGLEUS United States 17->47 49 drive.usercontent.google.com 142.251.40.193, 443, 49695 GOOGLEUS United States 17->49 29 C:\ProgramData\Remcos\remcos.exe, PE32 17->29 dropped 31 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 17->31 dropped 65 Detected Remcos RAT 17->65 67 Creates autostart registry keys with suspicious names 17->67 69 Found direct / indirect Syscall (likely to bypass EDR) 17->69 22 remcos.exe 46 17->22         started        file9 signatures10 process11 file12 33 C:\Users\user\AppData\Local\...\System.dll, PE32 22->33 dropped 35 C:\Users\user\AppData\Local\...\nsf8F4A.tmp, COM 22->35 dropped 71 Antivirus detection for dropped file 22->71 73 Multi AV Scanner detection for dropped file 22->73 75 Tries to detect virtualization through RDTSC time measurements 22->75 77 2 other signatures 22->77 26 remcos.exe 22->26         started        signatures13 process14 file15 45 C:\Users\user\AppData\Local\...\nsz7E3E.tmp, COM 26->45 dropped
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-08-08 12:55:52 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos collection discovery persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.92.62:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
dca5762afcbdd54dcbdf8c0b2de6313ba681f42bd5f958bec47891cc2a24113d
MD5 hash:
597a9fe13b9fde050bd90447e0efc8f5
SHA1 hash:
f814a356d318c9dc4369d198b42b0f85fb6d5644
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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