MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a
SHA3-384 hash: 682b070b7688dfe70e3afa2b7a41b21136476079f6b0c1459c1feccc45579830500946e6888f97b2a8954fcda0b0e1d7
SHA1 hash: 8bd8ad36ccb17a83d14bdf3d3eeb7db74ab2b5a2
MD5 hash: 48f592baee50fd94dee174fc92f017d8
humanhash: harry-bluebird-freddie-orange
File name:DOCUMENTO_GENERAL_ADJUNTADO_2024.EXE
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:50'176 bytes
First seen:2024-09-12 10:52:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 768:85BrpeJ99VwhCnQeTF4Fs5p4+2KW0s20Ui1:89eHRQeTF4A3WBVUw
TLSH T1F8336D80B248D35DDCAB843564D3816146B59EF1DE6A0BC734E8773F7CB586618233AB
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon 60e0e69e96c6de00 (3 x DarkVisionRAT, 2 x GuLoader, 1 x Loki)
Reporter SquiblydooBlog
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
400
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
DOCUMENTO_GENERAL_ADJUNTADO_2024.EXE
Verdict:
Malicious activity
Analysis date:
2024-09-12 10:54:05 UTC
Tags:
netreactor keylogger remcos
Link:
https://app.any.run/tasks/fc4ed8f2-ab58-4824-b9c4-c47a5ad1cfc8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.3160.3303.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e2c80f751db35a8b9f8110
Tags:
Stealth Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
remcos
Link:
https://www.filescan.io/uploads/66e2c81287af302661ef8d7b/reports/2f9939cf-b958-4ea4-b92a-08c6d62bef88/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/9f63b285-400b-43be-b0e8-05cc17147265
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1510011
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 1510011 Sample: DOCUMENTO_GENERAL_ADJUNTADO... Startdate: 12/09/2024 Architecture: WINDOWS Score: 100 33 desconocido07092024.con-ip.com 2->33 35 1023.filemail.com 2->35 37 ip.1023.filemail.com 2->37 49 Multi AV Scanner detection for domain / URL 2->49 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 15 other signatures 2->55 7 DOCUMENTO_GENERAL_ADJUNTADO_2024.EXE.exe 16 4 2->7         started        12 jjdhshse.exe 14 2 2->12         started        14 jjdhshse.exe 2 2->14         started        signatures3 process4 dnsIp5 39 ip.1023.filemail.com 23.237.50.162, 443, 49730, 49738 COGENT-174US United States 7->39 27 C:\Users\user\AppData\Roaming\jjdhshse.exe, PE32 7->27 dropped 29 C:\Users\...\jjdhshse.exe:Zone.Identifier, ASCII 7->29 dropped 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->57 59 Writes to foreign memory regions 7->59 61 Allocates memory in foreign processes 7->61 16 InstallUtil.exe 3 3 7->16         started        63 Antivirus detection for dropped file 12->63 65 Multi AV Scanner detection for dropped file 12->65 67 Machine Learning detection for dropped file 12->67 21 InstallUtil.exe 12->21         started        69 Injects a PE file into a foreign processes 14->69 23 InstallUtil.exe 14->23         started        file6 signatures7 process8 dnsIp9 31 desconocido07092024.con-ip.com 179.14.10.124, 1510, 49737, 49741 ColombiaMovilCO Colombia 16->31 25 C:\ProgramData\dato\registros.dat, data 16->25 dropped 41 Contains functionality to bypass UAC (CMSTPLUA) 16->41 43 Contains functionalty to change the wallpaper 16->43 45 Contains functionality to steal Chrome passwords or cookies 16->45 47 4 other signatures 16->47 file10 signatures11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-09-12 10:53:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tpyy73igyjxprdx5rz4pspobtemnzuziwjmvptfy54cwzlhr7q5a._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:send discovery persistence rat
Link:
https://tria.ge/reports/240912-myyzrssekg/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
desconocido07092024.con-ip.com:1510
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c9713e7f-5445-4227-96db-3b79bf72f4bf
Unpacked files
SH256 hash:
9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a
MD5 hash:
48f592baee50fd94dee174fc92f017d8
SHA1 hash:
8bd8ad36ccb17a83d14bdf3d3eeb7db74ab2b5a2
Link:
https://www.unpac.me/results/abd2694e-fa3b-404a-a7f4-a85851239708/
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/9bf18fed06c26ef88efd8e78f93dc19918dcd328b25957ccb8ef056cacf1fc3a

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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

Comments


Avatar
Kasibe commented on 2024-09-12 10:57:15 UTC

AgentTesla