MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 689ef1d29c263f78c9626e00500983e2589d28068a72fadba9a4b04b7eafbcaf. 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 7 File information Comments

SHA256 hash: 689ef1d29c263f78c9626e00500983e2589d28068a72fadba9a4b04b7eafbcaf
SHA3-384 hash: f54e13fdc8016b6c10b28529a1793db2a26ca8b5b2e18dbe4429ac564aea9c5d88a1f18ec26e80f1db89d29dc81aa7e2
SHA1 hash: 066ba1993f24e959b03edef4940d1b5ee9f5e18a
MD5 hash: 72f2460abc3ae41fff469e110f3eaff3
humanhash: cola-yellow-delta-don
File name:689ef1d29c263f78c9626e00500983e2589d28068a72fadba9a4b04b7eafbcaf
Download: download sample
Signature RemcosRAT
File size:877'056 bytes
First seen:2024-01-09 14:05:21 UTC
Last seen:2024-01-09 20:33:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:7c8K/isRopeArTI4C8ilPYO0bJm1hEpA4kpNOxJNWBfTgtfBjLkvGpMeUPDpVU13:vK/LRopDTI4VOcHxJobgVRJww6k
Threatray 3'478 similar samples on MalwareBazaar
TLSH T12715015523000A27C677EB70EAB3B7110665FA7B947AD35B53C5A539202B2BF2FE0705
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)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
327
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
689ef1d29c263f78c9626e00500983e2589d28068a72fadba9a4b04b7eafbcaf
Verdict:
Malicious activity
Analysis date:
2024-01-09 14:04:56 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
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Encrypted powershell cmdline option 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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371829 Sample: YwJbPuG8Eu.exe Startdate: 09/01/2024 Architecture: WINDOWS Score: 100 60 jburg.net 2->60 68 Multi AV Scanner detection for domain / URL 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 11 other signatures 2->74 10 Pymeprhzzxj.exe 2 2->10         started        13 YwJbPuG8Eu.exe 1 4 2->13         started        16 Pymeprhzzxj.exe 2->16         started        signatures3 process4 file5 80 Antivirus detection for dropped file 10->80 82 Multi AV Scanner detection for dropped file 10->82 84 Contains functionality to bypass UAC (CMSTPLUA) 10->84 92 6 other signatures 10->92 18 cmd.exe 1 10->18         started        58 C:\Users\user\AppData\...\Pymeprhzzxj.exe, PE32 13->58 dropped 86 Encrypted powershell cmdline option found 13->86 88 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->88 90 Injects a PE file into a foreign processes 13->90 20 YwJbPuG8Eu.exe 3 3 13->20         started        25 powershell.exe 20 13->25         started        27 YwJbPuG8Eu.exe 13->27         started        29 YwJbPuG8Eu.exe 13->29         started        31 cmd.exe 16->31         started        signatures6 process7 dnsIp8 33 Pymeprhzzxj.exe 3 18->33         started        36 conhost.exe 18->36         started        62 jburg.net 45.133.180.2, 3363 M247GB Romania 20->62 56 C:\ProgramData\remcos\logs.dat, data 20->56 dropped 76 Installs a global keyboard hook 20->76 78 Potential dropper URLs found in powershell memory 25->78 38 conhost.exe 25->38         started        40 Pymeprhzzxj.exe 31->40         started        42 conhost.exe 31->42         started        file9 signatures10 process11 signatures12 64 Encrypted powershell cmdline option found 33->64 66 Injects a PE file into a foreign processes 33->66 44 powershell.exe 33->44         started        46 Pymeprhzzxj.exe 33->46         started        48 powershell.exe 40->48         started        50 Pymeprhzzxj.exe 40->50         started        process13 process14 52 conhost.exe 44->52         started        54 conhost.exe 48->54         started       
Threat name:
ByteCode-MSIL.Trojan.Seraph
Status:
Malicious
First seen:
2023-12-24 13:10:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos family:zgrat botnet:remotehost persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Detect ZGRat V1
Remcos
ZGRat
Malware Config
C2 Extraction:
jburg.net:3363
Unpacked files
SH256 hash:
53d884f45452607dd85f731ef27de7717bdb5268abf62c69f67f8166cc7a5c9d
MD5 hash:
038366f275bfb279a87d3009aa92ff7b
SHA1 hash:
6a3ae8667e2bb302bcd70ae8a463d213b965a879
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
ad510654fe1f786cfe3626e4c4c437217f538ad717a29156c386cdee34ab8ad4
MD5 hash:
0398f0a158a1c90a1cbe52ebdea123a7
SHA1 hash:
3bde7b83c1c9804543340e449454b87e699ddff2
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
e4faa7d7a098414449abffb210fd874798207ee9d27643c8088676ff429b56b7
MD5 hash:
d6bf96a5deaa7f6038e4acc424444227
SHA1 hash:
36d701e0d7669cf4c73a85ca968058269df5cf47
SH256 hash:
689ef1d29c263f78c9626e00500983e2589d28068a72fadba9a4b04b7eafbcaf
MD5 hash:
72f2460abc3ae41fff469e110f3eaff3
SHA1 hash:
066ba1993f24e959b03edef4940d1b5ee9f5e18a
Detections:
Typical_Malware_String_Transforms
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Comments