MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd1f8f6b9caa62dbb054f08c08054395da2a1718ac352cb2398955f4587c497c. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd1f8f6b9caa62dbb054f08c08054395da2a1718ac352cb2398955f4587c497c
SHA3-384 hash: 35747e2a8f8a613f827f2acf3b293c8f82a41ed6cf3b129bfd033a7bb047d0464de4b05db1b77aa40379073af888b27c
SHA1 hash: 0277142a913dd31b06caefd993f4d8efe5551280
MD5 hash: 37f3e9f900cf73ae318ec79e92e8eac7
humanhash: river-fifteen-wisconsin-ack
File name:37f3e9f900cf73ae318ec79e92e8eac7
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:7'680 bytes
First seen:2022-08-31 10:40:57 UTC
Last seen:2022-08-31 12:14:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:AyfTHKKtqS1ZvbcrHZO13fiQRcshzWestdXOzNt:A8NqSvvYD8fzRcsVPsnI
TLSH T1C1F1D50797E88626D5BA4B3598730290033DBB104E32CB7E68D8720F9E63256DB637B5
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/306800/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.40163.22859.11179.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Sending a custom TCP request
DNS request
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
Link:
https://www.filescan.io/uploads/630f3b42e87b88e71be763e3/reports/41df221a-e8be-4d1b-93df-86dceeaf5c51/overview
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:
AsyncRAT, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1061483
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd1f8f6b9caa62dbb054f08c08054395da2a1718ac352cb2398955f4587c497c/
Threat name:
ByteCode-MSIL.Trojan.Tedy
Create hunting rule
Status:
Malicious
First seen:
2022-08-30 00:59:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zupy6244vjrnxmcu6cgaqbkdsxncufyyvq2szmrzrfk7iwd4jf6a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220831-mq39hsefc9/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
172.111.234.100:5888
Unpacked files
SH256 hash:
cd1f8f6b9caa62dbb054f08c08054395da2a1718ac352cb2398955f4587c497c
MD5 hash:
37f3e9f900cf73ae318ec79e92e8eac7
SHA1 hash:
0277142a913dd31b06caefd993f4d8efe5551280
Link:
https://www.unpac.me/results/f31afcae-2014-4619-91af-caf72d4d6a14/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd1f8f6b9caa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/cd1f8f6b9caa62dbb054f08c08054395da2a1718ac352cb2398955f4587c497c

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_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe cd1f8f6b9caa62dbb054f08c08054395da2a1718ac352cb2398955f4587c497c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2286567/
Cape
Cape
https://www.capesandbox.com/analysis/306800/

Comments


Avatar
zbet commented on 2022-08-31 10:41:01 UTC

url : hxxp://198.12.89.173/191/vbc.exe