MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971. 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: 20

Intelligence 20 IOCs YARA 12 File information Comments

SHA256 hash:	f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
SHA3-384 hash:	9f7a73b9c033ecaf81320e2df6302865e0250f23502fb868c281baceb7444021c20d72869372dc3d6ef6c38e748e74fa
SHA1 hash:	bf5408a8ab921779b70c33380aeb6487522b6928
MD5 hash:	0cf0b5052eee16711e158e1d4d75c380
humanhash:	earth-jersey-harry-bravo
File name:	b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	480'768 bytes
First seen:	2024-05-19 12:21:29 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep	12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSjn9:uiLJbpI7I2WhQqZ7j9
Threatray	4'070 similar samples on MalwareBazaar
TLSH	T1D1A4AE02BAD2C072D57161344D2AE735DABDBD202835997BB3E61D5BFD30180A73A7B2
TrID	32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter	ukycircle
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

570

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971.exe

Verdict:

Malicious activity

Analysis date:

2024-05-19 12:24:06 UTC

Tags:

rat remcos

Link:

https://app.any.run/tasks/523c9cae-d78d-403f-8470-37cb6943024e

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Trojan.Remcos-9841897-0

Win.Trojan.Remcos-10002580-0

Verdict:

Malicious

Score:

99.1%

Tags:

Stealth Remcos

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

crypto evasive eventvwr fingerprint fingerprint keylogger lolbin remcos shell32

Link:

https://www.filescan.io/uploads/6649eeeb0663ff3c2ec6292e/reports/296cf652-81e0-41ca-8432-c85739c3005e/overview

Verdict:

Malicious

Labled as:

Dacic.A9349469.A.Generic

Link:

https://www.hybrid-analysis.com/sample/f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971

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.

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a74703eb-471f-4f69-a2f6-4d35501fd559

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1443979

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Delayed program exit found

Detected Remcos RAT

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Sigma detected: Remcos

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971/

Threat name:

Win32.Trojan.Remcos

Status:

Malicious

First seen:

2024-05-19 12:22:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7ahpnu5lvhgcupy3g2jilizl4s2iwykpyxk3f2jbndsf7wr2pfyq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9

RemcosRAT

31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28

RemcosRAT

3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a

RemcosRAT

4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f

RemcosRAT

592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065

RemcosRAT

9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0

RemcosRAT

a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214

RemcosRAT

b0140b22d324bed8fea64268dae1d3368edc947f42651e2f2fbd772c210a5154

RemcosRAT

+ 4'060 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:76364

Link:

https://tria.ge/reports/240519-pjwl7sgh85/

Malware Config

C2 Extraction:

103.150.8.12:5689

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/410ec7b1-add5-4c49-a12b-0e06185c3004

Unpacked files

SH256 hash:

f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971

MD5 hash:

0cf0b5052eee16711e158e1d4d75c380

SHA1 hash:

bf5408a8ab921779b70c33380aeb6487522b6928

Detections:

Remcos

win_remcos_w0

win_remcos_auto

malware_windows_remcos_rat

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Link:

https://www.unpac.me/results/14b83dbe-9ee8-4203-b27d-172d2559a280/

Parent samples :

e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343
47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
70029840a2c10f707e5b6bee6a48c4c7fb1fc3efe79215d7bb01c5e2967848cb
4e1899294fcd9043ed50cb9f02a7085b4c243deb30e3c2d5bdaeac2569fe0e6e
747ea71ee4743ed14b66b6a88371819a04350632aeb3ed66e4d40ec53a9ba5ec
ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105
effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f80ef6d3aba9/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/f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	REMCOS_RAT_variants 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:	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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdipGetImageEncoders gdiplus.dll::GdipGetImageEncodersSize gdiplus.dll::GdipAlloc
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringA WINMM.dll::mciSendStringW WINMM.dll::PlaySoundW WINMM.dll::waveInAddBuffer WINMM.dll::waveInClose WINMM.dll::waveInOpen
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExA SHELL32.dll::ShellExecuteW
URL_MONIKERS_API	Can Download & Execute components	urlmon.dll::URLDownloadToFileW urlmon.dll::URLOpenBlockingStreamW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileExW KERNEL32.dll::MoveFileW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LookupPrivilegeValueA
WIN_CRYPT_API	Uses Windows Crypt API	ADVAPI32.dll::CryptAcquireContextA ADVAPI32.dll::CryptGenRandom
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyA ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegCreateKeyW ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegOpenKeyExW
WIN_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::ChangeServiceConfigW ADVAPI32.dll::ControlService ADVAPI32.dll::OpenSCManagerW ADVAPI32.dll::OpenSCManagerA ADVAPI32.dll::OpenServiceW ADVAPI32.dll::QueryServiceConfigW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::OpenClipboard USER32.dll::CreateWindowExA

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