MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aea42dd44008f2fe434150f59e0cef40b83578cf1ee27a4fd1f6404d44b37bd2. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments

SHA256 hash: aea42dd44008f2fe434150f59e0cef40b83578cf1ee27a4fd1f6404d44b37bd2
SHA3-384 hash: 0ba2ed988263a3a5fd8c82a096904d04fea06c6737e4625745404e5b93f810a7cf485645a64101f996939d5e654c4ade
SHA1 hash: 2933efc24cb89b1e5df4b99d8afd624bd40fba81
MD5 hash: acc8f6acdae0e9fa08be35e2ec4705f7
humanhash: quiet-nevada-whiskey-lactose
File name:aea42dd44008f2fe434150f59e0cef40b83578cf1ee27a4fd1f6404d44b37bd2
Download: download sample
Signature RemcosRAT
File size:3'035'056 bytes
First seen:2020-11-15 22:41:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:3LKVUUlIWYad7cwj644Mh+ZkldoPK8YaLDNcu:+/lIWYwjE2cPK8X
TLSH 8AE5D0427399C0F6FF5662B39B1AB646677C7D3141B3411F23982E68BE711B2023E663
Reporter seifreed
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %temp% directory
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Deleting a recently created file
Running batch commands
DNS request
Launching the default Windows debugger (dwwin.exe)
Moving a file to the %AppData% directory
Sending a UDP request
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2020-11-15 22:42:27 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat upx
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
UPX packed file
ServiceHost packer
Remcos
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
daya4659.ddns.net:8282
Unpacked files
SH256 hash:
aea42dd44008f2fe434150f59e0cef40b83578cf1ee27a4fd1f6404d44b37bd2
MD5 hash:
acc8f6acdae0e9fa08be35e2ec4705f7
SHA1 hash:
2933efc24cb89b1e5df4b99d8afd624bd40fba81
SH256 hash:
2114a54dd523b4cf571c889bcfaa6d7992c3c109b1101f1281698bf7aef08678
MD5 hash:
ab197702a0100f9cc91cd18ce8274f87
SHA1 hash:
6bd5c97b6373a34ee0e3a08acf5b4522d2c73983
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
de61f953e86e11b6ebafb7467e46821b6639ec6540d992b031051eddbf8fd986
MD5 hash:
2c920e6f016e04712f3d190263e424aa
SHA1 hash:
f7a40ff32cf29e1ecce11d84c25312aae8fdab75
SH256 hash:
e05c3642bb7e56de73b5bc1dadc3ca91f698434c8c055650b4fbdd8e2842485b
MD5 hash:
f1260cb5d0d66420dcdfd431dbd1ed29
SHA1 hash:
5272804135182a98a2efdd3b51d15b3fbc802a62
Detections:
win_webmonitor_w0
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:ach_RemcosRAT
Author:abuse.ch
Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
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.

  
Delivery method
Other

Comments