MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e
SHA3-384 hash: bd5f137f5abc53fb7a93d4bb2e839b6c29ba75865e9b640e9f58c9fa7aa30e8a1c1b86d8a711ddfeb52ae2bafad24f4d
SHA1 hash: b520697f0015757012c3fdfa7973bb502143a936
MD5 hash: 3f9941abefb26ada7f1b3dcfb564a31f
humanhash: bakerloo-uranus-ceiling-freddie
File name:PO37489837645 COPY.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:939'008 bytes
First seen:2024-04-28 09:00:00 UTC
Last seen:2024-04-28 09:31:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 24576:fBXu9HGaVHnBi5qAs2LsFcE/ONvlGqpWXv3:fw9VH5As2Y25Aqs/
TLSH T1471523F139F1F9BFC46E5676D06ED03A051A794AC2F23B5A70C6E911A2EECDC9890047
TrID 35.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
35.0% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon ccd030b0501cc4c0 (3 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:03:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5c2ba80a-91ac-4a5d-a457-bb648678ba0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger lolbin packed packed remcos shell32
Link:
https://www.filescan.io/uploads/662e101414ba3ce8289c5a42/reports/ea0eb71b-160a-4bc0-a5ea-7491fbde777d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e
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:
Unknown
Link:
https://analyze.intezer.com/analyses/bdfb1af2-f86f-4408-a97f-0dd336547ce6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432818
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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 VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1432818 Sample: PO37489837645 COPY.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 11 other signatures 2->54 6 PO37489837645 COPY.exe 6 2->6         started        10 wscript.exe 1 2->10         started        12 chrome.exe 9 2->12         started        process3 dnsIp4 26 C:\Users\user\AppData\Local\...\name.exe, PE32 6->26 dropped 56 Binary is likely a compiled AutoIt script file 6->56 15 name.exe 3 3 6->15         started        58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->58 20 name.exe 2 10->20         started        28 192.168.2.5, 138, 2404, 443 unknown unknown 12->28 30 239.255.255.250 unknown Reserved 12->30 22 chrome.exe 12->22         started        file5 signatures6 process7 dnsIp8 32 192.3.176.131, 2404 AS-COLOCROSSINGUS United States 15->32 24 C:\Users\user\AppData\Roaming\...\name.vbs, data 15->24 dropped 40 Contains functionality to bypass UAC (CMSTPLUA) 15->40 42 Detected Remcos RAT 15->42 44 Binary is likely a compiled AutoIt script file 15->44 46 6 other signatures 15->46 34 www.google.com 142.250.31.147, 443, 49706, 49707 GOOGLEUS United States 22->34 36 www3.l.google.com 172.253.115.100, 443, 49739 GOOGLEUS United States 22->36 38 3 other IPs or domains 22->38 file9 signatures10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-01-31 08:30:02 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4f66ic3c2nezvsc7y2avzsmth3e35v5rs4cfr7qtwdyrzxwfcqha._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Link:
https://tria.ge/reports/240428-kybs5acc29/
Behaviour
AutoIT Executable
UPX packed file
Unpacked files
SH256 hash:
dff568a625b174b5180ae6d3bb0df56dd1d4964f0c49249cb6df8eb20f436c38
MD5 hash:
b8aa729d0a09c76b249b687994a55b93
SHA1 hash:
095c26e7fc391356dc705752d9facf7280517a81
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/64b83bc8-fb58-48cf-8d00-0ee3c8337e21/
SH256 hash:
b8301216c3a0577f997e516cbd2af952cadcefed39134c6f66dfd410332a16aa
MD5 hash:
76886136005ae83973e673c70645b83d
SHA1 hash:
0dc38db292ae5aac3680f4c8f3527a541ca86b36
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/64b83bc8-fb58-48cf-8d00-0ee3c8337e21/
Parent samples :
e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e
c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a
SH256 hash:
e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e
MD5 hash:
3f9941abefb26ada7f1b3dcfb564a31f
SHA1 hash:
b520697f0015757012c3fdfa7973bb502143a936
Detections:
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/64b83bc8-fb58-48cf-8d00-0ee3c8337e21/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e

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: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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu

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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments