MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6012722bb5136e7dfcc33763ccd5ec5c2024a1904f928c5c75b8160b13b6ecc9. 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: 18


Intelligence 18 IOCs YARA 15 File information Comments

SHA256 hash: 6012722bb5136e7dfcc33763ccd5ec5c2024a1904f928c5c75b8160b13b6ecc9
SHA3-384 hash: dcb07cc737e42a655f17045f71b7606b61cbc15a1ef916c7f80b7dfc70c5e6e57e649340f224e4ea251d8539dd583458
SHA1 hash: 1a10dc17e957cb85d9ccdde65f262077d438b68d
MD5 hash: 8873846b9663e1fb72778a220667c010
humanhash: north-seven-east-friend
File name:Quotation.exe
Download: download sample
Signature RemcosRAT
File size:3'921'408 bytes
First seen:2024-08-16 08:50:57 UTC
Last seen:2024-08-16 09:39:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 64d33852dc9d07c22f129376f0f48025 (3 x RemcosRAT, 2 x AgentTesla, 1 x SnakeKeylogger)
ssdeep 49152:IrasJSuxF9rdUbJ2wMt7QjKuBQucLjaVd1JScFItNYUy3U9ATAP9nPLM8wFVEkb7:WxD6vJw3YUSHAPa9fn4c1d/prj
TLSH T11306E020D3E805A8D877EB34CA559332E7B078924734E58B069DD6551FB3EA29B3F312
TrID 47.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
35.2% (.EXE) InstallShield setup (43053/19/16)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
380
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2024-08-16 09:32:52 UTC
Tags:
rat remcos remote expiro sinkhole evasion m0yv stealer darkgate spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
Execution Network Static Remcos
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin microsoft_visual_cc packed regedit remcos remote
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.
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Detected Remcos RAT
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Infects executable files (exe, dll, sys, html)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Sample uses process hollowing technique
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1493767 Sample: Quotation.exe Startdate: 16/08/2024 Architecture: WINDOWS Score: 100 35 zlenh.biz 2->35 37 ytctnunms.biz 2->37 39 25 other IPs or domains 2->39 49 Multi AV Scanner detection for domain / URL 2->49 51 Suricata IDS alerts for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 11 other signatures 2->55 7 Quotation.exe 1 2->7         started        10 elevation_service.exe 2->10         started        13 alg.exe 1 2->13         started        16 19 other processes 2->16 signatures3 process4 dnsIp5 63 Writes to foreign memory regions 7->63 65 Allocates memory in foreign processes 7->65 67 Sample uses process hollowing technique 7->67 69 Injects a PE file into a foreign processes 7->69 18 jsc.exe 3 14 7->18         started        23 conhost.exe 7->23         started        33 C:\Windows\System32\sppsvc.exe, PE32+ 10->33 dropped 71 Infects executable files (exe, dll, sys, html) 10->71 73 Found direct / indirect Syscall (likely to bypass EDR) 10->73 47 lpuegx.biz 82.112.184.197, 49749, 80 FIRST_LINE-SP_FOR_B2B_CUSTOMERSUPSTREAMSRU Russian Federation 13->47 75 Creates files in the system32 config directory 13->75 77 Creates files inside the volume driver (system volume information) 16->77 79 Contains functionality to behave differently if execute on a Russian/Kazak computer 16->79 file6 signatures7 process8 dnsIp9 41 23.95.235.18, 2557, 49730 AS-COLOCROSSINGUS United States 18->41 43 npukfztj.biz 44.221.84.105, 49738, 49739, 80 AMAZON-AESUS United States 18->43 45 4 other IPs or domains 18->45 25 C:\Windows\System32\wbengine.exe, PE32+ 18->25 dropped 27 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 18->27 dropped 29 C:\Windows\System32\vds.exe, PE32+ 18->29 dropped 31 142 other malicious files 18->31 dropped 57 Detected Remcos RAT 18->57 59 Drops executable to a common third party application directory 18->59 61 Infects executable files (exe, dll, sys, html) 18->61 file10 signatures11
Threat name:
Win64.Trojan.Remcos
Status:
Malicious
First seen:
2024-08-14 05:15:32 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat spyware stealer
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Checks SCSI registry key(s)
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
23.95.235.18:2557
Unpacked files
SH256 hash:
6012722bb5136e7dfcc33763ccd5ec5c2024a1904f928c5c75b8160b13b6ecc9
MD5 hash:
8873846b9663e1fb72778a220667c010
SHA1 hash:
1a10dc17e957cb85d9ccdde65f262077d438b68d
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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