MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31. 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 5 File information Comments

SHA256 hash:	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31
SHA3-384 hash:	0cbe3296fd2f4b49cbea923e64438206d0adace53b38fa4d10ebd9e558e93fcc03e7ed6ae6c69509aa5db2043a5da503
SHA1 hash:	b2c1b86d8a35bf2a779ad14b940b9d7072954fbd
MD5 hash:	f160ddfe3d7e39dc40d9a018fe2fef16
humanhash:	ack-mexico-jig-lemon
File name:	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'293'312 bytes
First seen:	2025-04-07 14:00:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:ou6J33O0c+JY5UZ+XC0kGso6FayvQSSGXFFkIzSGo1c3Q6qGcZsDWY:Cu0c++OCvkGs9FayvtSGV6IGT1x6wY
TLSH	T1D555CF2263DDC361CB669173BF29B7016EBF3C714630B95B2F880D7DA960162262D763
TrID	32.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	adrian__luca
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

908

Origin country :

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/1065/

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67f3daa8a695a0cd1fababa6

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d1c5be8a-73c0-403f-b504-e410e79082c8

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1658364

Signature

Antivirus / Scanner detection for submitted sample

Binary is likely a compiled AutoIt script file

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

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Remcos

Suricata IDS alerts for network traffic

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-03-21 13:30:52 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 36 (72.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=y7nk6o5pukxswdoexheth5rj3x5qltoryvzi5mji45ddntiohiyq._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost discovery rat

Link:

https://tria.ge/reports/250407-ra312atqv4/

Behaviour

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Remcos

Remcos family

Malware Config

C2 Extraction:

127.0.0.1:45111
196.251.92.84:45111
ikechi2.duckdns.org:45111

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/9c390184-2f31-4cbb-9982-e4b09c5019a7

Unpacked files

SH256 hash:

7041b30b46336404fbba34d08c7d5092ca12311552c46fae0e565a9d849e3748

MD5 hash:

ecdccaada9f23d6ffe258c661286dbaf

SHA1 hash:

f3f8fb78153ed69802d91978df6a29498cc7bb12

Detections:

win_remcos_w0

win_remcos_auto

Remcos

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Link:

https://www.unpac.me/results/58e1d597-3d22-4567-a9ec-49fabfc2d1ae/

Parent samples :

c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31
79c382d36bf6d45d6a9dc315327ae3262478b071dfacad15e70ae331e92f0ec2
b176032d83c5a8b10c2a377559c473077482992d83463de8fd926fc0fd27e4ad
605b777567b157148a11e24c4114a694cd70f1b4da15b38a4c3f90a677a42d69
c7edbb5866a28c02a8bed693552153baffe2c43793de70595a510d47722d5cde
5384fc5f40b5bbfe6d47d5b54deb3f3260ed92e4414d2dbdf6e89aa05df0fd35

SH256 hash:

c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31

MD5 hash:

f160ddfe3d7e39dc40d9a018fe2fef16

SHA1 hash:

b2c1b86d8a35bf2a779ad14b940b9d7072954fbd

Link:

https://www.unpac.me/results/58e1d597-3d22-4567-a9ec-49fabfc2d1ae/

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/c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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

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

https://www.capesandbox.com/analysis/1065/

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

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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