MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c. 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: 19


Intelligence 19 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c
SHA3-384 hash: 91116cebdd1a53b6191d858b8340af3f8282c058f2dbd1bbd2b1c12089d088b72d50fba75957d50dfb2c963f144a24de
SHA1 hash: cfbc5f79e7c6d3a1a5cdde28d3e3200a87c2f7e6
MD5 hash: 27c848cc8c3e2fa769e418ffc2bb5dfc
humanhash: butter-fanta-winner-massachusetts
File name:SecuriteInfo.com.W64.GenKryptik.MAGC.tr.15181.21426
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'755'072 bytes
First seen:2024-08-14 04:27:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 64d33852dc9d07c22f129376f0f48025 (3 x RemcosRAT, 2 x AgentTesla, 1 x SnakeKeylogger)
ssdeep 49152:arasJSuxF9rdUbJ2wMt7QjKuBQucLG3Vd1JScFPtNYUy3cT+c9SjO:oxD6vDwYYUScT+p
Threatray 731 similar samples on MalwareBazaar
TLSH T1A4D5CF20E3D805A8D877EB34CA559332D7B078964734E54F069DD65A2FB3A929B3F302
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)
File icon (PE):PE icon
dhash icon 79e4e4ccccc4ccc0 (16 x AgentTesla, 3 x njrat, 3 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
548
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W64.GenKryptik.MAGC.tr.15181.21426
Verdict:
Malicious activity
Analysis date:
2024-08-14 04:31:00 UTC
Tags:
rat remcos remote stealer evasion keylogger mpress
Link:
https://app.any.run/tasks/4e6c2c4d-2326-4611-8b3a-3e87769e4002

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W64.GenKryptik.MAGC.tr.15181.21426.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66bc3254aa5b40be0aa02eaf
Tags:
Execution Network Static Stealth Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin microsoft_visual_cc packed regedit remcos remote
Link:
https://www.filescan.io/uploads/66bc325332f6d05ff3cc847b/reports/4d8e911c-67b6-45ef-8b6d-c0555e79fccb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df2425dc-76d2-4ae0-991d-a9673dac89ff
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1492637
Signature
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1492637 Sample: SecuriteInfo.com.W64.GenKry... Startdate: 14/08/2024 Architecture: WINDOWS Score: 100 52 geoplugin.net 2->52 54 fp2e7a.wpc.phicdn.net 2->54 56 fp2e7a.wpc.2be4.phicdn.net 2->56 80 Multi AV Scanner detection for domain / URL 2->80 82 Suricata IDS alerts for network traffic 2->82 84 Found malware configuration 2->84 86 8 other signatures 2->86 8 SecuriteInfo.com.W64.GenKryptik.MAGC.tr.15181.21426.exe 1 3 2->8         started        12 SecuriteInfo.com.W64.GenKryptik.MAGC.tr.15181.21426.exe 1 2->12         started        14 SecuriteInfo.com.W64.GenKryptik.MAGC.tr.15181.21426.exe 1 2->14         started        signatures3 process4 file5 44 SecuriteInfo.com.W....tr.15181.21426.exe, PE32+ 8->44 dropped 46 SecuriteInfo.com.W...exe:Zone.Identifier, ASCII 8->46 dropped 88 Drops PE files to the user root directory 8->88 90 Writes to foreign memory regions 8->90 92 Allocates memory in foreign processes 8->92 16 AddInProcess32.exe 3 16 8->16         started        21 conhost.exe 8->21         started        94 Multi AV Scanner detection for dropped file 12->94 96 Injects a PE file into a foreign processes 12->96 23 MSBuild.exe 12->23         started        25 conhost.exe 12->25         started        27 RegSvcs.exe 12->27         started        29 jsc.exe 14->29         started        31 conhost.exe 14->31         started        signatures6 process7 dnsIp8 48 107.173.4.16, 2560, 49730, 49731 AS-COLOCROSSINGUS United States 16->48 50 geoplugin.net 178.237.33.50, 49732, 80 ATOM86-ASATOM86NL Netherlands 16->50 42 C:\ProgramData\remcos\logs.dat, data 16->42 dropped 64 Detected Remcos RAT 16->64 66 Tries to steal Mail credentials (via file registry) 16->66 68 Maps a DLL or memory area into another process 16->68 70 Installs a global keyboard hook 16->70 33 AddInProcess32.exe 1 16->33         started        36 AddInProcess32.exe 1 16->36         started        38 AddInProcess32.exe 14 16->38         started        40 2 other processes 16->40 72 Contains functionality to bypass UAC (CMSTPLUA) 23->72 74 Contains functionalty to change the wallpaper 23->74 76 Contains functionality to steal Chrome passwords or cookies 23->76 78 3 other signatures 23->78 file9 signatures10 process11 signatures12 58 Tries to steal Instant Messenger accounts or passwords 33->58 60 Tries to steal Mail credentials (via file / registry access) 33->60 62 Tries to harvest and steal browser information (history, passwords, etc) 36->62
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c/
Threat name:
Win64.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-14 04:28:08 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=any5nyphmohffl24333smvia5pjue2qog5kk7tylj5br2mhsajoa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0581ff6cecc21644f9b5d85823362fe60f0c4b757664b7bfafcc9e2e158690d3
RemcosRAT
1c81c786a70496397e5c05b533473585322037875390aa522f8ffed43bf47c84
RemcosRAT
589b172cac7eb931e013d04820f31d1e7f6b7d710d1155dbb64ebb6c2fa2826a
RemcosRAT
5e4ac8eb80f59f5d1b0952665962a8d357ae28d1b62ae6825520864b90b53142
RemcosRAT
d613abfde1e416e467b1b936060835b5dff7d3617cfd54dba245f36a214ddd6a
RemcosRAT
+ 721 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:2560 collection credential_access discovery persistence rat stealer
Link:
https://tria.ge/reports/240814-e3netswhjc/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
107.173.4.16:2560
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d492fde1-a0c6-4817-8940-798f71ef020f
Unpacked files
SH256 hash:
0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c
MD5 hash:
27c848cc8c3e2fa769e418ffc2bb5dfc
SHA1 hash:
cfbc5f79e7c6d3a1a5cdde28d3e3200a87c2f7e6
Link:
https://www.unpac.me/results/478bb5c9-f3c3-4af5-93b9-bba9c2fa53e4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0371d6e1e763/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/0371d6e1e7638e52af5cdef7265500ebd3426a0e3754afcf0b4f431d30f2025c

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
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
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:Jupyter_infostealer
Create hunting rule
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
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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