MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
SHA3-384 hash: 20ae135b290afab48b8364c92b9d0b1f9a7c51b9f0279a01650472e78be55ad51f01ef2f0df585310c274e9e2125b4ad
SHA1 hash: 7f5d3e05a782d3f67352080d0928ae4f4e0247a8
MD5 hash: f66bc0e967e3399863a99e9bd302ac73
humanhash: one-hot-butter-august
File name:e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'136'512 bytes
First seen:2024-12-12 16:14:56 UTC
Last seen:2025-01-21 03:42:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e52615253ba93e77e88da2201bcab98a (2 x RemcosRAT)
ssdeep 49152:S9BlUVJsBsiK9d3MC+qX+EF+Zx6bwMKexczvm40:S9BlEsWl9d3MChfzbwMKemO40
TLSH T12DE5AE22B6C0C147EAD25070D296E7F1A1683E39E7412987B3C07E9FB276EC1593B527
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10522/11/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 52b08aaaa8a6ee0e (2 x RemcosRAT)
Reporter JAMESWT_WT
Tags:181-131-217-244 exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
377
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
Verdict:
Suspicious activity
Analysis date:
2024-12-12 16:30:07 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/ea1ece4d-3536-4a3d-91e2-e7a7f4936fd1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675b0d64e19061cac7f095f8
Tags:
virus sage smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm explorer fingerprint iceid keylogger lolbin microsoft_visual_cc
Link:
https://www.filescan.io/uploads/675b0c0ae2b28ac5ea148c82/reports/a674931e-9654-4c00-8267-20eae57847a9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bca75639-8dda-4868-894c-d2e68ab0551f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1573889
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Drops large PE files
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1573889 Sample: hCJ8gK9kNn.exe Startdate: 12/12/2024 Architecture: WINDOWS Score: 100 26 newstaticfreepoint24.ddns-ip.net 2->26 28 s3-w.us-east-1.amazonaws.com 2->28 30 4 other IPs or domains 2->30 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 10 other signatures 2->44 7 hCJ8gK9kNn.exe 1 3 2->7         started        11 dyfwtd.exe 1 3 2->11         started        signatures3 process4 file5 20 C:\Users\user\Videos\...\OrionLegacyCLI.exe, PE32 7->20 dropped 46 Detected unpacking (creates a PE file in dynamic memory) 7->46 48 Creates multiple autostart registry keys 7->48 50 Writes to foreign memory regions 7->50 56 2 other signatures 7->56 13 csc.exe 16 3 7->13         started        22 C:\Users\user\...\HardDiskSentinelBin.exe, PE32 11->22 dropped 52 Drops large PE files 11->52 54 Injects a PE file into a foreign processes 11->54 18 dyfwtd.exe 3 3 11->18         started        signatures6 process7 dnsIp8 32 newstaticfreepoint24.ddns-ip.net 181.131.217.244, 1842, 30203, 49706 EPMTelecomunicacionesSAESPCO Colombia 13->32 34 s3-w.us-east-1.amazonaws.com 3.5.25.23, 443, 49708 AMAZON-AESUS United States 13->34 36 bitbucket.org 185.166.143.49, 443, 49707 AMAZON-02US Germany 13->36 24 C:\Users\user\AppData\Local\Temp\dyfwtd.exe, PE32 13->24 dropped 58 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->58 60 Installs a global keyboard hook 18->60 file9 signatures10
Score:
79%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4/
Threat name:
Win32.Ransomware.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-12-11 03:11:26 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4qqlaag6b2dinh7nkrewpy4xei3q6kwfld26pabudrfi6nsue2sa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241212-tp8k6s1qbn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/12568377-b89b-4893-b1a1-b184776e2a9a
Unpacked files
SH256 hash:
10ab33e00acd1ad2e05a40d194740fcafd86cdc8cc28244650ae48695f496f9c
MD5 hash:
e8d37eeaaa2f0fd2dcc4176172b7b375
SHA1 hash:
c6ebdb985fcdd49c3b3c61c5092a745d33cdeb7b
Link:
https://www.unpac.me/results/e8b6a09b-9e07-4128-8841-593df844327e/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/e8b6a09b-9e07-4128-8841-593df844327e/
SH256 hash:
6586212eb8e529595385d0b10395a218c81c340ec24f1e9ffa5e65b8e49e513d
MD5 hash:
f11c7745280545073cfb4ad6c0e40286
SHA1 hash:
039b24d2071a7fe191ea970b92203623edba54f7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/e8b6a09b-9e07-4128-8841-593df844327e/
Parent samples :
e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
8ee7bb70506574eb0ba1bffc0bafd993c707d01e54385ca83fb3f731521a9298
66e6c38dc2c5e1dc03209e8f876d546c94a1b806c6e02c3b33f5e523eb3fdff9
SH256 hash:
08d1dee9acb5a0c54c0436f39ab4ae0fea7f828cac0335c28f3c2f1ed872a9f6
MD5 hash:
186c829a59e8ba6335cd8242f15fedf1
SHA1 hash:
32fa9ba3650b125d8c9f94a016a0cd38cc9b56f2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/e8b6a09b-9e07-4128-8841-593df844327e/
Parent samples :
e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
8ee7bb70506574eb0ba1bffc0bafd993c707d01e54385ca83fb3f731521a9298
66e6c38dc2c5e1dc03209e8f876d546c94a1b806c6e02c3b33f5e523eb3fdff9
SH256 hash:
e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
MD5 hash:
f66bc0e967e3399863a99e9bd302ac73
SHA1 hash:
7f5d3e05a782d3f67352080d0928ae4f4e0247a8
Link:
https://www.unpac.me/results/e8b6a09b-9e07-4128-8841-593df844327e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e420b000de0e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:without_attachments
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play MultimediaGDI32.dll::StretchDIBits
SHELL_APIManipulates System ShellSHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
ADVAPI32.dll::GetFileSecurityA
KERNEL32.dll::MoveFileA
KERNEL32.dll::MoveFileExA
SHLWAPI.dll::PathRemoveFileSpecA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegQueryValueA
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::WSACloseEvent
WS2_32.dll::WSACreateEvent
WS2_32.dll::WSAEventSelect
WS2_32.dll::WSARecv
WS2_32.dll::WSAResetEvent
WS2_32.dll::WSASend
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigA
ADVAPI32.dll::ChangeServiceConfig2A
ADVAPI32.dll::ControlService
ADVAPI32.dll::CreateServiceA
ADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceA
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetLocalTime
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments