MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2998c9450c0410adcf943c88783718017418ede6ce92368be07b515f7395c650. 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 1 YARA 5 File information Comments

SHA256 hash: 2998c9450c0410adcf943c88783718017418ede6ce92368be07b515f7395c650
SHA3-384 hash: 0f97a31a90f6407aa1ce82f00d8d05a47bc09498099cc4cbacc2d50490090c900590f30230e869c80bdc4e81cc2a59eb
SHA1 hash: e241f90841e73a955b0fc18d37892a4260fc6694
MD5 hash: 19077fc2d56e393913bfb248718665e4
humanhash: mexico-river-massachusetts-uncle
File name:19077fc2d56e393913bfb248718665e4.exe
Download: download sample
Signature RemcosRAT
File size:1'178'112 bytes
First seen:2024-08-26 21:15:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:sOZNRYqEullwwWE3nb+5q7pJKKS8eAw1wc:sOZNyqEuLwRibZQ/oc
Threatray 4'860 similar samples on MalwareBazaar
TLSH T165453308BCA87A53C8C5A9BBCCE517AA17B9497BC023DFB97BC1952EC433B045118E53
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
86.104.72.183:2709

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
86.104.72.183:2709 https://threatfox.abuse.ch/ioc/1316503/

Intelligence


File Origin
# of uploads :
1
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
https://drive.google.com/uc?id=1IkTYc4Ml46LK6-dQAsfNG6048DNvjOo4&export=download&authuser=0
Verdict:
Malicious activity
Analysis date:
2024-08-26 15:16:45 UTC
Tags:
rat remcos evasion keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Discovery Network Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed smartassembly smart_assembly
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
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
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
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1499373 Sample: g4nWvGoRNZ.exe Startdate: 26/08/2024 Architecture: WINDOWS Score: 100 30 nuevospa.con-ip.com 2->30 32 geoplugin.net 2->32 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 7 g4nWvGoRNZ.exe 1 4 2->7         started        11 Xiixjnfsgoc.exe 2 2->11         started        13 Xiixjnfsgoc.exe 2 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\Xiixjnfsgoc.exe, PE32 7->26 dropped 28 C:\Users\...\Xiixjnfsgoc.exe:Zone.Identifier, ASCII 7->28 dropped 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 15 InstallUtil.exe 3 16 7->15         started        60 Antivirus detection for dropped file 11->60 62 Multi AV Scanner detection for dropped file 11->62 64 Machine Learning detection for dropped file 11->64 20 InstallUtil.exe 11->20         started        22 InstallUtil.exe 13->22         started        signatures6 process7 dnsIp8 34 nuevospa.con-ip.com 86.104.72.183, 2709, 49704 TELE-ROM-ASstrAleeaPaciiBlB5Ap16RO Romania 15->34 36 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 15->36 24 C:\Users\user\AppData\Roaming\...\logs.dat, data 15->24 dropped 38 Contains functionality to bypass UAC (CMSTPLUA) 15->38 40 Contains functionalty to change the wallpaper 15->40 42 Contains functionality to steal Chrome passwords or cookies 15->42 44 4 other signatures 15->44 file9 signatures10
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2024-08-23 19:38:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:new2709 discovery persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
nuevospa.con-ip.com:2709
Unpacked files
SH256 hash:
021a372c38173c4571aedc71186b5668d6081d55e5d2d1b4368b35d0a711d1a9
MD5 hash:
7de6cc8a5854fd2951751c6fbc8121fe
SHA1 hash:
9573ff06f30630c678321e34915548c1bcf6502c
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
2998c9450c0410adcf943c88783718017418ede6ce92368be07b515f7395c650
MD5 hash:
19077fc2d56e393913bfb248718665e4
SHA1 hash:
e241f90841e73a955b0fc18d37892a4260fc6694
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
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.

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 (GUARD_CF)high

Comments