MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9b710f85ef86429b380e2a96153ea27a21ea201ce8bd81e316420f0c3a435c3. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: a9b710f85ef86429b380e2a96153ea27a21ea201ce8bd81e316420f0c3a435c3
SHA3-384 hash: a8499a603746d77d7e6bc877b4be60c1398035ae59c46a3546060fca63c8419ea72487907bb36ccd6875229b0a22dcc2
SHA1 hash: 4c95d00080d93d9df0360959db3c9f38a7e80a97
MD5 hash: e94c75f89c21caad5e32e29ef565a4ff
humanhash: butter-may-nineteen-berlin
File name:0000000000009000.exe
Download: download sample
Signature RemcosRAT
File size:168'448 bytes
First seen:2021-01-12 07:24:58 UTC
Last seen:2021-01-12 08:54:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 938ba2efbe61fe5fcd12002ac9a9a807 (2 x RemcosRAT, 1 x Formbook)
ssdeep 3072:DI5pYPtPl10Q1tsYrosUtlG89Q4fooGku6xk92796q:c0PtPlF7Uy0Q4fxpuOk92gq
Threatray 1'376 similar samples on MalwareBazaar
TLSH AAF3ADA27BC9D8D4C040423A3D05FAEB9021BE799D1C9683F7D1BF5EAC717CA4994B06
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.58.152
From: r.abouldahab@emis-int.com
Subject: Re: URGENT REQUIREMENT
Attachment: 0000000000009000...pdf..z (contains "0000000000009000.exe")

RemcosRAT C2:
45.137.22.52:8780

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0000000000009000.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 07:58:31 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Setting a keyboard event handler
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Installs a global keyboard hook
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Ulise
Status:
Malicious
First seen:
2021-01-12 05:03:06 UTC
AV detection:
13 of 44 (29.55%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
45.137.22.52:8780
Unpacked files
SH256 hash:
a9b710f85ef86429b380e2a96153ea27a21ea201ce8bd81e316420f0c3a435c3
MD5 hash:
e94c75f89c21caad5e32e29ef565a4ff
SHA1 hash:
4c95d00080d93d9df0360959db3c9f38a7e80a97
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

RemcosRAT

Executable exe a9b710f85ef86429b380e2a96153ea27a21ea201ce8bd81e316420f0c3a435c3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments