MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments

SHA256 hash: 9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb
SHA3-384 hash: 4fee274ba02661b02cc6283bfe57c9bf3f05ca04a5f65beb94acf9247e7e5bbfa23a495f5d0c7f7c274e19493cc0b828
SHA1 hash: d29d5768719a3bf4381293775af31d5bcdf11ca3
MD5 hash: b5d9738bbe1f9563cdc8808c96135415
humanhash: indigo-emma-wolfram-lake
File name:BNE400266900B - RLS SO# W317pdf.scr
Download: download sample
Signature RemcosRAT
File size:933'376 bytes
First seen:2024-09-24 10:21:38 UTC
Last seen:2024-09-24 11:31:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:q2IgEfML+PtaSdOHOvY8r4A7L1r/6A4hhqIU1Xw0A6oC:q2skSoOQS4A7L1ri6r1XpBT
Threatray 4'465 similar samples on MalwareBazaar
TLSH T1CE151290310EC903C4A10BBD6876D1F813766F899913E34B5FE97DFB787B7266502262
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)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
481
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
BNE400266900B - RLS SO# W317pdf.scr
Verdict:
Malicious activity
Analysis date:
2024-09-24 10:28:50 UTC
Tags:
netreactor rat remcos remote mpress evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Infostealer Network Stealth Trojan Msil Packed Spawn Lien Hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
UNKNOWN
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.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Drops executable to a common third party application directory
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516572 Sample: BNE400266900B - RLS SO# W31... Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 58 geoplugin.net 2->58 64 Multi AV Scanner detection for domain / URL 2->64 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 17 other signatures 2->70 10 BNE400266900B - RLS SO# W317pdf.scr.exe 3 2->10         started        14 Adobe.exe 2->14         started        16 Adobe.exe 2 2->16         started        18 Adobe.exe 2->18         started        signatures3 process4 file5 56 BNE400266900B - RL...W317pdf.scr.exe.log, ASCII 10->56 dropped 86 Injects a PE file into a foreign processes 10->86 20 BNE400266900B - RLS SO# W317pdf.scr.exe 2 4 10->20         started        24 Adobe.exe 14->24         started        26 Adobe.exe 14->26         started        28 Adobe.exe 14->28         started        34 2 other processes 14->34 30 Adobe.exe 16->30         started        32 Adobe.exe 18->32         started        signatures6 process7 file8 52 C:\ProgramData\Adobe\Adobe.exe, PE32 20->52 dropped 54 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 20->54 dropped 80 Creates autostart registry keys with suspicious names 20->80 82 Drops executable to a common third party application directory 20->82 36 Adobe.exe 3 20->36         started        signatures9 process10 signatures11 72 Antivirus detection for dropped file 36->72 74 Multi AV Scanner detection for dropped file 36->74 76 Tries to steal Mail credentials (via file registry) 36->76 78 2 other signatures 36->78 39 Adobe.exe 3 14 36->39         started        process12 dnsIp13 60 104.250.180.178, 49733, 49736, 7902 M247GB United States 39->60 62 geoplugin.net 178.237.33.50, 49737, 80 ATOM86-ASATOM86NL Netherlands 39->62 84 Maps a DLL or memory area into another process 39->84 43 Adobe.exe 1 39->43         started        46 Adobe.exe 1 39->46         started        48 Adobe.exe 2 39->48         started        50 4 other processes 39->50 signatures14 process15 signatures16 88 Tries to steal Instant Messenger accounts or passwords 43->88 90 Tries to harvest and steal browser information (history, passwords, etc) 43->90 92 Tries to steal Mail credentials (via file / registry access) 46->92
Threat name:
ByteCode-MSIL.Infostealer.LokiBot
Status:
Malicious
First seen:
2024-09-24 07:53:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
104.250.180.178:7902
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Unpacked files
SH256 hash:
a284da6f034bf2f895522fc7abb9bd6531261ba9b0b97b3f91ee3d5703d1cfbe
MD5 hash:
56f54e43c30d22865252e566596d3598
SHA1 hash:
c4fc52d44188a94575174b0adfa33c3dfb387c0b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
MD5 hash:
e3f85d3db1a13a521b6dd6477298f9c5
SHA1 hash:
3f40142ffa5a2093a864446af3b80e0fb03f3bfd
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb
MD5 hash:
b5d9738bbe1f9563cdc8808c96135415
SHA1 hash:
d29d5768719a3bf4381293775af31d5bcdf11ca3
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:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
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 9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb

(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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