MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909
SHA3-384 hash: c8e03fb177b3f891bee89165957a4839ed5421f241ee55e77b256db15ff2f812c9a1c1033931e612f8aa2c571a3052a5
SHA1 hash: b68b58d751e88774282d36098582f611ad8a83e2
MD5 hash: 80b5cdc2770f203a516c9f6c00e9c657
humanhash: comet-april-alabama-september
File name:20240506_120821.pif
Download: download sample
Signature RemcosRAT
File size:998'400 bytes
First seen:2024-05-31 09:11:31 UTC
Last seen:2024-05-31 09:29:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fScqhe0Bvq17YB4LCd8SFrFZx4c4AHPvx2lC:fjqhe7RedZVFL4iOC
Threatray 4'145 similar samples on MalwareBazaar
TLSH T1852502873640C99ECE6D18FB62054040B3FC9CEBD958E68D2FC972572FE62E2582574B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b2909696969ef66a (5 x RemcosRAT, 3 x NanoCore, 2 x njrat)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
601
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 09:20:14 UTC
Tags:
rat remcos remote evasion keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Infostealer Network Remcos Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed remcos
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450477 Sample: 20240506_120821.pif.exe Startdate: 01/06/2024 Architecture: WINDOWS Score: 100 45 sembe.duckdns.org 2->45 47 geoplugin.net 2->47 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 61 13 other signatures 2->61 8 zBgWWIGXiEwDIW.exe 5 2->8         started        11 20240506_120821.pif.exe 7 2->11         started        signatures3 59 Uses dynamic DNS services 45->59 process4 file5 63 Antivirus detection for dropped file 8->63 65 Multi AV Scanner detection for dropped file 8->65 67 Contains functionality to bypass UAC (CMSTPLUA) 8->67 75 6 other signatures 8->75 14 zBgWWIGXiEwDIW.exe 8->14         started        17 schtasks.exe 8->17         started        41 C:\Users\user\AppData\...\zBgWWIGXiEwDIW.exe, PE32 11->41 dropped 43 C:\Users\user\AppData\Local\...\tmp989D.tmp, XML 11->43 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 11->69 71 Adds a directory exclusion to Windows Defender 11->71 73 Injects a PE file into a foreign processes 11->73 19 20240506_120821.pif.exe 3 16 11->19         started        23 powershell.exe 23 11->23         started        25 powershell.exe 23 11->25         started        27 schtasks.exe 1 11->27         started        signatures6 process7 dnsIp8 29 conhost.exe 17->29         started        49 sembe.duckdns.org 194.187.251.115, 14645, 49735 M247GB United Kingdom 19->49 51 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 19->51 39 C:\Users\user\AppData\Local\Temp\...\nots.dat, data 19->39 dropped 77 Detected Remcos RAT 19->77 79 Installs a global keyboard hook 19->79 81 Loading BitLocker PowerShell Module 23->81 31 conhost.exe 23->31         started        33 WmiPrvSE.exe 23->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2024-05-29 11:40:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost execution rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
sembe.duckdns.org:14645
Unpacked files
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
SH256 hash:
1ac973018ba8364d23edb3b6b5d262b4cad214e54de48bbf0c8b2aafad3f248f
MD5 hash:
80f5b85ee5d79f166a66a2318e06cd3d
SHA1 hash:
4c4f13392d0b6bd6e115328c15ba937e266039fa
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
91875f15089da6fc66836218c97e8c01c8c99771cd02cdf54946201596cd1862
MD5 hash:
906b0ed42e4d87ff6abc69b638702528
SHA1 hash:
2189b3fb0c7bdac085c71e83007267723277cd0e
SH256 hash:
7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909
MD5 hash:
80b5cdc2770f203a516c9f6c00e9c657
SHA1 hash:
b68b58d751e88774282d36098582f611ad8a83e2
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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