MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65
SHA3-384 hash: 8a575a5db2b432f18680f50b5df71958382a23471d819b2293d6ea98b64d74280063a97fc87402b7155480475e40642b
SHA1 hash: 33d6d99a2642b5def9cc636b0693ca03e9b9afeb
MD5 hash: e6fb2c26514cf93912cb1eb766c495a9
humanhash: alpha-beryllium-tennessee-aspen
File name:Remittance_O0000002500020421085Transf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'847'220 bytes
First seen:2025-07-30 12:47:28 UTC
Last seen:2025-07-31 06:45:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (874 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:484CjjkiLwveFQwRoEdzhZ+meLhCafl+mCUf1OczFGXqmFX27j1GmbaNLmSjb8wt:4caiQTMz/Jc7NXCOjBGXqf1aBPRH
TLSH T1B4D52301FAC2C8F1D93326351475BE222B75BC251B258DDFA3C8A59AB931091B235FB7
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
56
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Remittance_O0000002500020421085Transf.exe
Verdict:
Malicious activity
Analysis date:
2025-07-30 12:54:52 UTC
Tags:
httpdebugger tool rat remcos remote
Link:
https://app.any.run/tasks/4709bf5c-b667-4692-bc6a-d932b0d4a238

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/17770/
Detection(s):
SecuriteInfo.com.Gen.Variant.Razy.582340.18684.14597.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=688a14a30b4775fb213398ef
Tags:
injection remo sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Launching a process
Creating a file
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/29d92804-9e83-4510-84e7-4c990eeb3490
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1747069
Signature
Antivirus detection for dropped file
Clickable URLs found in PDF pointing to potentially malicious files
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/e6fb2c26514cf93912cb1eb766c495a9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65/
Threat name:
Win32.Trojan.Vigorf
Create hunting rule
Status:
Malicious
First seen:
2025-07-30 12:48:33 UTC
File Type:
PE (Exe)
Extracted files:
97
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ol37qinqdpuzp6vix4jpgxnejcvlyaw2x6doiyxow3q273vxnsq._file
Verdict:
malicious
Label(s):
unc_loader_051
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
adware discovery spyware
Link:
https://tria.ge/reports/250730-p11bqaz1dt/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Checks computer location settings
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a4185d83-e3e5-48ab-ac1a-5422a011ee8a
Unpacked files
SH256 hash:
9d5a8515ee389bc2aeb83bfb6a0cea9a2bb4ef4b5dbff60b93ad6d4184f43a11
MD5 hash:
debc5451a1cba0528327f95daa19982f
SHA1 hash:
e35f0b7f50b156887bdc6522cf895806390db9a3
Link:
https://www.unpac.me/results/f8b1e65c-2977-4233-9ad7-b687942b283f/
SH256 hash:
b51936083d5b5ebf17e8833738af6d8c6b4d03506731414fdfcce47770f51967
MD5 hash:
454e9baa7585807ad476a457d2c5e2e3
SHA1 hash:
6d566925d17bab09937e4152974049eb15b21e55
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/f8b1e65c-2977-4233-9ad7-b687942b283f/
Parent samples :
f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65
9d5a8515ee389bc2aeb83bfb6a0cea9a2bb4ef4b5dbff60b93ad6d4184f43a11
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
Link:
https://www.unpac.me/results/f8b1e65c-2977-4233-9ad7-b687942b283f/
SH256 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
Link:
https://www.unpac.me/results/f8b1e65c-2977-4233-9ad7-b687942b283f/
SH256 hash:
1c86ec6e7eed63d1844e857c30bd9677db58319b6386083a5b890ee7ede4ac23
MD5 hash:
2b58fda2f6941e82139fbf77dcef3ae7
SHA1 hash:
d538ea4c8148d6f361f92e2b4bdb3c92ed2eaba5
Link:
https://www.unpac.me/results/f8b1e65c-2977-4233-9ad7-b687942b283f/
SH256 hash:
f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65
MD5 hash:
e6fb2c26514cf93912cb1eb766c495a9
SHA1 hash:
33d6d99a2642b5def9cc636b0693ca03e9b9afeb
Link:
https://www.unpac.me/results/f8b1e65c-2977-4233-9ad7-b687942b283f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f397bfc10d80/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/f397bfc10d80df4cbfd545f8979aed224555e016d5fc37231775b70d7f75bb65

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:dcrat_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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)

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/17770/

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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