MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2acdcad4382ddd4a80e28d2cf0f623cd42ddb15023b971d2ceabcbc5c4cf73d5. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 2acdcad4382ddd4a80e28d2cf0f623cd42ddb15023b971d2ceabcbc5c4cf73d5
SHA3-384 hash: c726c9cd48c57c53289922f25d71cea63dafc07db5eefe3e8a3e47b70b9423f1bc59f153db4b7a19eb49a4245505040a
SHA1 hash: 6fdcd6a08d2855a317734609c7cfb0afc79eb6a0
MD5 hash: 3e1a54314b67d65e343d7ded3466f8c1
humanhash: lithium-comet-five-single
File name:Confirmation transfer Ref-992252.exe
Download: download sample
Signature RemcosRAT
File size:964'608 bytes
First seen:2024-01-24 07:50:35 UTC
Last seen:2024-01-24 09:33:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:6VEePRVoMF9btcCF6M3uQmNQ348XMfFDcMOXNastd:6V7UM7bSC5cs4cgRcMODtd
TLSH T1D22523515764C674F9CE8B7EC463422223F4BC324072E30E5EEDB56232B7BA541A9A37
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) (4505/5/1)
File icon (PE):PE icon
dhash icon f6f9b5e6c486b3c9 (6 x Formbook, 6 x RemcosRAT, 4 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Creating a process from a recently created file
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hook keylogger lolbin packed shell32
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
.NET source code references suspicious native API functions
Allocates memory in foreign processes
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1380070 Sample: Confirmation_transfer_Ref-9... Startdate: 24/01/2024 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 8 other signatures 2->39 8 Confirmation_transfer_Ref-992252.exe 3 2->8         started        11 remcos.exe 1 2->11         started        13 remcos.exe 1 2->13         started        15 remcos.exe 1 2->15         started        process3 signatures4 49 Writes to foreign memory regions 8->49 51 Allocates memory in foreign processes 8->51 53 Injects a PE file into a foreign processes 8->53 17 RegSvcs.exe 2 3 8->17         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        25 conhost.exe 15->25         started        process5 file6 31 C:\ProgramData\Remcos\remcos.exe, PE32 17->31 dropped 41 Contains functionality to bypass UAC (CMSTPLUA) 17->41 43 Contains functionalty to change the wallpaper 17->43 45 Creates autostart registry keys with suspicious names 17->45 47 4 other signatures 17->47 27 remcos.exe 2 17->27         started        signatures7 process8 process9 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-01-17 20:43:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost-ddns persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
huncho.ddns.net:22881
Unpacked files
SH256 hash:
bb265a8187cc1151c765128f6b8340c01b6283e29a3bbc8a3086a6c0a822c604
MD5 hash:
cb694dfef9a731230d1534e865e8f9b1
SHA1 hash:
defec996a4dc314488b016d7727f6c22ef4917fd
SH256 hash:
60f10673229d00fb90942c59beb8add97c4d09cbeac56ce2100d7e41878c9d64
MD5 hash:
91d2b62fe866d13eea4aae93eb6b2a35
SHA1 hash:
af46ac739afc1653f351a9eb56fe0eb465f47ce4
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
d33ae91b93244da876e1e26dec18aeae11ba8f283a2628d2df73b5b7423d3773
MD5 hash:
dc4d97ff8c5ac6d5735ff136793d3dc6
SHA1 hash:
9f60680cca2bb0f59efe156310ec8d498e528d57
SH256 hash:
689297b50f9bf35d1ce098e4ed3c06d6fc491362acdeea280959cef520868b55
MD5 hash:
0e332471a8998a8ad2e77f0a17401092
SHA1 hash:
75e66460d6305705b075f29e6bbcd393bb96e3a7
SH256 hash:
2acdcad4382ddd4a80e28d2cf0f623cd42ddb15023b971d2ceabcbc5c4cf73d5
MD5 hash:
3e1a54314b67d65e343d7ded3466f8c1
SHA1 hash:
6fdcd6a08d2855a317734609c7cfb0afc79eb6a0
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: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 2acdcad4382ddd4a80e28d2cf0f623cd42ddb15023b971d2ceabcbc5c4cf73d5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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