MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8645e36eb1542409a86fca23f57dfc5d56aeffa19c4a1c8d94a97e5310762107. 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
| SHA256 hash: | 8645e36eb1542409a86fca23f57dfc5d56aeffa19c4a1c8d94a97e5310762107 |
|---|---|
| SHA3-384 hash: | 4f8eed56260ec8590a412b4e61836f697199e7f1e5ab0acf0f890ae2f460661e380f720deaa9ba9de74c91dc8cd9ce8f |
| SHA1 hash: | f5a6d4888d0de42e86bfcd28f8d04f2984eb6411 |
| MD5 hash: | bb446580a3dbda7c6d33409087b48963 |
| humanhash: | massachusetts-april-triple-friend |
| File name: | bb446580a3dbda7c6d33409087b48963.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 498'176 bytes |
| First seen: | 2023-12-21 07:20:37 UTC |
| Last seen: | 2023-12-21 09:15:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:KROMtvQ8FuujQOikfVyaaYCG9YGEnh4Xvbfn3Q3XUal:dYTFikctYC7GEmf3QnU |
| Threatray | 325 similar samples on MalwareBazaar |
| TLSH | T1DFB412106AB9AB16E6BA43FB9521122183F5B90F2921D21C4CEB71CD1A6BF011FD1F77 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4505/5/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
373
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bb446580a3dbda7c6d33409087b48963.exe
Verdict:
Suspicious activity
Analysis date:
2023-12-21 07:21:47 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Malware
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.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
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
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Drops executables to the windows directory (C:\Windows) and starts them
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-12-21 07:21:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 23 (91.30%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 315 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:christmas persistence rat
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
ascoitaliasasummer.duckdns.org:2025
Unpacked files
SH256 hash:
afdd5d08c53b6c7f92ac57e960407ffe68042865dddf700f411cd41a9b9bdce7
MD5 hash:
b75cf561eacc25bb3e4be0e839d862a0
SHA1 hash:
ae8273fdb9970136214eeb190753ef6948486b5c
Detections:
Remcos
win_remcos_auto
win_remcos_g0
Remcos
malware_windows_remcos_rat
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
acc583951d426d4cc271556f5246ae09b0362dc5afb47c86ccfc3b44c5582d09
MD5 hash:
9d6e95a9eae913470dd9b095f51c4549
SHA1 hash:
cf86b5764cda90fe236e536945a64a1cccfe136b
SH256 hash:
ae010ad44eb9755ba7470320111f8467dcb2ae542adb470f39b1d4887e7bce0b
MD5 hash:
e593c8424bf411fa8725b5b8c88ee73c
SHA1 hash:
a2afc8036480b8113e55176279ba17daa93e3f54
SH256 hash:
c88cbfd2a5bd5e6b46abef43056ab9e14af424de84239d3bff3e9654a5ccd34f
MD5 hash:
f105495e56459175bd7cecee0e96fd91
SHA1 hash:
94d6b482d7790931b6d5d12966ab0f7f8f06c64a
SH256 hash:
8645e36eb1542409a86fca23f57dfc5d56aeffa19c4a1c8d94a97e5310762107
MD5 hash:
bb446580a3dbda7c6d33409087b48963
SHA1 hash:
f5a6d4888d0de42e86bfcd28f8d04f2984eb6411
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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