MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a9e4659261f4a3c4744f60dfdb170ebc705756a6b921621c24d85c4a2876318. 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 5 File information Comments

SHA256 hash: 7a9e4659261f4a3c4744f60dfdb170ebc705756a6b921621c24d85c4a2876318
SHA3-384 hash: f3832645d354dccb2b6640dee08d62abc6120cd4b2ee95a8cb90130768c4009373181020a3e66e0e1d8fbf96e5270f09
SHA1 hash: 74bb13cd196bbb118f442f9545abcda4fbf072e9
MD5 hash: c275800d323ce4e770ff4a74609c3ad8
humanhash: purple-dakota-beer-mockingbird
File name:2023DONKUG.exe
Download: download sample
Signature RemcosRAT
File size:1'016'832 bytes
First seen:2023-10-16 09:35:20 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 24576:YT6LmP5qoBDreQMkVadzmeCRBIRbLdCn1wMdws/WW3Qp:O7e4KqTwRbLd3MasuW3Qp
Threatray 2'913 similar samples on MalwareBazaar
TLSH T12B2501D6CAC48294EC295FF91036AD2493E7BE2678B8E15C5D4C70E56BB33A70032D97
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.147.140.148:1998

Intelligence


File Origin
# of uploads :
1
# of downloads :
351
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2023DONKUG.exe
Verdict:
Malicious activity
Analysis date:
2023-10-16 09:38:12 UTC
Tags:
rat remcos keylogger

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

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
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
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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: 1326365 Sample: 2023DONKUG.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 39 geoplugin.net 2->39 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 8 HdTvVTuIW.exe 5 2->8         started        11 2023DONKUG.exe 7 2->11         started        signatures3 process4 file5 55 Multi AV Scanner detection for dropped file 8->55 57 Contains functionality to bypass UAC (CMSTPLUA) 8->57 59 Contains functionalty to change the wallpaper 8->59 67 6 other signatures 8->67 14 schtasks.exe 1 8->14         started        16 HdTvVTuIW.exe 8->16         started        35 C:\Users\user\AppData\Roaming\HdTvVTuIW.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp1568.tmp, XML 11->37 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 11->61 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 18 2023DONKUG.exe 2 15 11->18         started        23 powershell.exe 23 11->23         started        25 schtasks.exe 1 11->25         started        signatures6 process7 dnsIp8 27 conhost.exe 14->27         started        41 194.147.140.148, 1998, 49714 PTPEU unknown 18->41 43 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 18->43 33 C:\ProgramData\remcos\logs.dat, data 18->33 dropped 53 Installs a global keyboard hook 18->53 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-10-16 08:55:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 22 (77.27%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:donkifa 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
Remcos
Malware Config
C2 Extraction:
194.147.140.148:1998
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
bc77ff9e44b9c83b6d7f08d4957b79cefce80cd1afe141c00742dbdf8ff25c28
MD5 hash:
2ba2a791cf4ba6a116b2174ce35af962
SHA1 hash:
e7a722daa00eb2a79271c10f192388790c4f9ffb
SH256 hash:
be4b62dde8ea819da76e898b0e64a7858be2e5f598233ed0d5474e0996db52b1
MD5 hash:
9aa83a0233f21419a96f5a1201adb4aa
SHA1 hash:
7fa0fe91070505550da96f11698259749ba824db
SH256 hash:
4509cf7f17af303ad07d4e234788e0203614c03b1631e076e38c04c7aadba5c0
MD5 hash:
d3eeae9af2de333728d96c49df7dd8c5
SHA1 hash:
24b56c5decd65d4cdad2d19d390e0b4847d26d5f
Detections:
Remcos win_remcos_w0 win_remcos_auto
SH256 hash:
7a9e4659261f4a3c4744f60dfdb170ebc705756a6b921621c24d85c4a2876318
MD5 hash:
c275800d323ce4e770ff4a74609c3ad8
SHA1 hash:
74bb13cd196bbb118f442f9545abcda4fbf072e9
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Comments