MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b5a4437b8b7bab10cfb32c06b5241f92b3a2e2861f56190b8b17a7028ec64c8. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b5a4437b8b7bab10cfb32c06b5241f92b3a2e2861f56190b8b17a7028ec64c8
SHA3-384 hash: 945f3b3588dfbe14da0d11e5263f1db7a31316d7396e907553b0649f12ec0bef7f29042c4e9585f71cea6666c1de6e9d
SHA1 hash: 18fc8bf8679d023181a91f2be15c6d7d64baf0de
MD5 hash: c436b62d52b551f5def9c82db65246cd
humanhash: iowa-mars-king-johnny
File name:4b5a4437b8b7bab10cfb32c06b5241f92b3a2e2861f56190b8b17a7028ec64c8
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'179'144 bytes
First seen:2020-06-10 07:37:18 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 24576:yAHnh+eWsN3skA4RV1Hom2KXMmHaLIahgxY3b54:1h+ZkldoPK8YaLDN4
Threatray 1'448 similar samples on MalwareBazaar
TLSH 8045AE02B3D6C076FF9AA2B39B69B24257BC6D350133842F23982D79BD711B1127D663
Reporter JAMESWT_WT
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Autoit-6985962-0
Create hunting rule

SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.CryptInject
Create hunting rule
Status:
Malicious
First seen:
2020-06-04 21:28:28 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
43 of 48 (89.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnnein5yw65lcdh3glagwusb7evtulrimh2wdefywf5hakhmmtea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0da9847b866af42aeca7cca453cab719a46d255ee252fe15184b3e3e401ab8a0
RemcosRAT
20a6a3dde2b79a85641bcfa4d8e03a48dde38aa55137f18fb567de24d3a0beec
RemcosRAT
23b22bd405675619b48f3739f61e19231f2d0236471ef123c8ce8b0230dff050
RemcosRAT
2e1ae006b7e36e902198d9978964651ac51f62484dc23a9423d4c8848d585a69
RemcosRAT
6083d7084795ed9d60be324c610dbfab644a3e25c982755a93071e23db11198a
RemcosRAT
793f375be5ed01b66b47d24ca49594af11ddcd125f3fb41ca77cae45632eba52
RemcosRAT
bd6ae166438e850f91430a43cbae4caf84d78ea85706bb459b8f9facf3965b52
RemcosRAT
cbffffdb51c8b3351cb3c2fc8011a5ecb90dee60bbf482ccae90a64603a00b07
RemcosRAT
d02a845b834c816edcbb6d8d60bd93c96593869a2cb56ca920ceb3dd3edff054
RemcosRAT
fd25b09006d514098cff84fe7c68b57ddbf3f5b6229e419689e2bfb28164b6e7
RemcosRAT
+ 1'438 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201109-er5e97ds1e/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
Remcos
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
daya4659.ddns.net:8282
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
Create hunting rule
Author:abuse.ch
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:win_remcos_auto
Create hunting rule
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.

Comments