MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5
SHA3-384 hash: f11cf781f0398daf97a6defefd4aaa83aaa17e109821e109d39d4a47af5922e090d9df5b6232e4545d7937d560fc2ade
SHA1 hash: 753e036219eb94eb197cf413bb5ffc3947114049
MD5 hash: 2552b953807afc549d903c2bd9c95de2
humanhash: hawaii-undress-johnny-mountain
File name:8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'212'880 bytes
First seen:2021-08-31 06:46:35 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:YEfUzt0WsNtypnSHZNTZ5kB3z0mHaYfltT5Uf1tA:LUztHpS55C3QYaClnG1S
Threatray 1'939 similar samples on MalwareBazaar
TLSH T1C0459E0273919026FEAE92734B55A2415678F8297023CC3F12BBDF786B701621E7D66F
dhash icon 4be5c74fbfbd3bb7 (29 x RemcosRAT)
Reporter JAMESWT_WT
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:35:13 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/c6c88b48-2648-4aa8-ad25-34e37d974c64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/184016/
Detection(s):
Win.Malware.Nymeria-6993200-0
Create hunting rule

Win.Trojan.Autoit-9790152-0
Create hunting rule

Win.Trojan.Autoit-9790155-0
Create hunting rule

Win.Trojan.Autoit-9790166-0
Create hunting rule

Win.Trojan.Autoit-9790168-0
Create hunting rule

Win.Trojan.Autoit-9790176-0
Create hunting rule

Win.Trojan.Autoit-9790695-0
Create hunting rule

Win.Trojan.Nanocore-9789919-1
Create hunting rule

Win.Trojan.Autoit-9792204-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Sending a UDP request
Query of malicious DNS domain
Enabling autorun by creating a file
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5b03b41-11ba-4b73-a09e-b89d60ca7a0a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842463
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-08-28 22:02:00 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
38 of 46 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r624xhwgtyre5btxgvmfcjyzcv7tikfyphy4n7s7a5mvwbwrxssq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0846f11a89ffa91fb4e519d10e65a260032870e77d0a37d9bd3c9c4404337c83
RemcosRAT
1dc9c08803cc564e3d16d52d6df79534fe167c40674e87093bae452799e9e665
RemcosRAT
388a7968ce64a2834be388b83ead8011a8f3ab4c40bfd5588beedb89d9409b4d
RemcosRAT
3a6558baa19564bc64f9054329de0f2575b6e2b8ea850d59d2646a6c048401ba
RemcosRAT
54cf1e0e02aaef981cb9edbbe174c1fad91304e9af3f418dbf681e712e01cd06
RemcosRAT
63740d7b3addf0f30f355423d35734d95a58bcd459272c26529f148f245c4c24
RemcosRAT
6666e032e70f39e03afd69d2a06fdf9861e3bc1dd0940706b4fc57ab7fe87a37
RemcosRAT
a3476a145b528bff0519f4816509a99ee7c5bcf26ae6d5c14e97dbdc8dca2e8e
RemcosRAT
c6e477905dcc8e39d4e54d40868671cb4eda4bf8bb32c52d320f02b0485b8ff8
RemcosRAT
d31e14f4a5e7503e2fc47e0d20070b2abce700da82fc93bee2bf233f541c39c5
RemcosRAT
+ 1'929 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:admin rat
Link:
https://tria.ge/reports/210831-qgrhf5e5w6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
rem-pounds.ddns.net:9970
Unpacked files
SH256 hash:
5ed083090bbb26b631e2d3ebb8dd1048ce1d47a58670b6feca28d9cc77ae54d5
MD5 hash:
d06f8f3b29983d20c8cf43e63febf27d
SHA1 hash:
6814db9bf5ba7822eda634d228c3f1c1bb18897b
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b2bfa06f-91a2-4c01-b657-16d6e7063002/
Parent samples :
ab1c1d8c82b2e153de37cbc8450e30ef47e708b5304a5c988b5656152ffa86d4
bc9d22f91b7f032cac3a6a36c5d90b1878ec7ab87193fd83be388ea3cbe964f9
6b652e40bcd6a123e9eac876c76fae6943283d1fe5369efc9d738c7c3a0a5c70
d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8
d151315f5bea137d59d6529045fec0ff6232fc2895c893126a12cdd9251f0f40
21fa4760bc1c9c69289afb33eac0afd7d3ecd74716e5e9963dbebe797aa93657
9d02d57215d6eb731e76863b7ecf6aaf78283d95275ed0c609008f3d64b3f6b4
ae8a5af762688f772ca6a86121ea1cbbd3e07cd399aa2aac2e8fad422cc7c33a
63740d7b3addf0f30f355423d35734d95a58bcd459272c26529f148f245c4c24
62c6c6aa0032b0b672a94d25a5f6d453783dc9d52391ca047469381d7650c7c8
7b33267a200d3c6e07be475321fe92421b28ca6c3ebcd31c744bf71ca24d45b4
1dc9c08803cc564e3d16d52d6df79534fe167c40674e87093bae452799e9e665
c6e477905dcc8e39d4e54d40868671cb4eda4bf8bb32c52d320f02b0485b8ff8
54cf1e0e02aaef981cb9edbbe174c1fad91304e9af3f418dbf681e712e01cd06
8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5
72667e565cbf55c3cd44de83e2849b65fac228f10a5c4729a869543283ebdb88
b0edd9f713e230a8ec778fd9978386019bd7bb37ac00196748e92bd75b89e5d7
SH256 hash:
8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5
MD5 hash:
2552b953807afc549d903c2bd9c95de2
SHA1 hash:
753e036219eb94eb197cf413bb5ffc3947114049
Link:
https://www.unpac.me/results/b2bfa06f-91a2-4c01-b657-16d6e7063002/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8fb5cb9ec69e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/184016/

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