MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0e184edac45ddeaf7ca4681b65e7b4accafb6705032faf6d2f6a61d2ef6d1ded. 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 7 File information Comments

SHA256 hash: 0e184edac45ddeaf7ca4681b65e7b4accafb6705032faf6d2f6a61d2ef6d1ded
SHA3-384 hash: fe365313de565100aef7f3100cc7dd5fac98983925094afe11227533be8e9b09ae05b06f9060b551cb09d15f0ae161ae
SHA1 hash: ef2eb660d985bfb693fcdb5b81c3ccffb9763646
MD5 hash: 36c9bb380d71f7ad243b57c522fc2768
humanhash: jig-delaware-rugby-mars
File name:requests-pdf.exe
Download: download sample
Signature RemcosRAT
File size:485'888 bytes
First seen:2024-12-14 12:36:05 UTC
Last seen:2024-12-16 13:06:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8426324eca00881188782897d3afc773 (1 x RemcosRAT)
ssdeep 6144:w5C+1+ZjpLnXIc5qM2ssBvQvSDfMe9v5lxtJQwNbG1Aflpw4CWffeM:w5C+I5JnYSidt3DPNbG1ENCWZ
TLSH T175A4D09292E0A860F6B64B309D3DBFD066BFB9624D28724D2654761F19B11E2C133F0F
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon ae9e626672a0c45a (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
474
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
requests-pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-12-14 12:37:49 UTC
Tags:
remcos rat remote evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
underscore remcos cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Result
Verdict:
SUSPICIOUS
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:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1575101 Sample: requests-pdf.exe Startdate: 14/12/2024 Architecture: WINDOWS Score: 100 51 geoplugin.net 2->51 57 Suricata IDS alerts for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 8 other signatures 2->63 8 requests-pdf.exe 1 4 2->8         started        12 yavascript.exe 2->12         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\yavascript.exe, PE32 8->47 dropped 49 C:\Users\...\yavascript.exe:Zone.Identifier, ASCII 8->49 dropped 65 Contains functionality to bypass UAC (CMSTPLUA) 8->65 67 Detected unpacking (changes PE section rights) 8->67 69 Detected Remcos RAT 8->69 71 6 other signatures 8->71 14 yavascript.exe 3 14 8->14         started        18 WerFault.exe 16 8->18         started        21 WerFault.exe 16 8->21         started        25 5 other processes 8->25 23 WerFault.exe 12->23         started        signatures6 process7 dnsIp8 53 198.23.227.212, 32583, 49705 AS-COLOCROSSINGUS United States 14->53 55 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 14->55 73 Multi AV Scanner detection for dropped file 14->73 75 Contains functionality to bypass UAC (CMSTPLUA) 14->75 77 Detected unpacking (changes PE section rights) 14->77 79 5 other signatures 14->79 27 WerFault.exe 14->27         started        29 WerFault.exe 14->29         started        31 WerFault.exe 14->31         started        33 5 other processes 14->33 35 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->35 dropped 37 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->37 dropped 39 C:\ProgramData\Microsoft\...\Report.wer, Unicode 25->39 dropped 41 C:\ProgramData\Microsoft\...\Report.wer, Unicode 25->41 dropped 43 C:\ProgramData\Microsoft\...\Report.wer, Unicode 25->43 dropped 45 2 other malicious files 25->45 dropped file9 signatures10 process11
Threat name:
Win32.Trojan.LummaC
Status:
Malicious
First seen:
2024-12-14 05:43:59 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
shellcode_loader_002 remcos
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:yavakosa discovery persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
198.23.227.212:32583
Unpacked files
SH256 hash:
0e184edac45ddeaf7ca4681b65e7b4accafb6705032faf6d2f6a61d2ef6d1ded
MD5 hash:
36c9bb380d71f7ad243b57c522fc2768
SHA1 hash:
ef2eb660d985bfb693fcdb5b81c3ccffb9763646
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputAttribute
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW

Comments