MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ba8672f1167efc648aba46777c2ef1bafb0e914f0f17d031fbdbb15aa11383c. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ba8672f1167efc648aba46777c2ef1bafb0e914f0f17d031fbdbb15aa11383c
SHA3-384 hash: 052a1a39a527cdedb7fa99a668d646fd5215e5bece85cb3367730f8979cbabeb8fa270fec7bbb3d993effc2db4506c5e
SHA1 hash: cd218a32c80ee26576a4897845ad6a4328b9f65d
MD5 hash: fa2d232572f85b32aa2145cca35d13ff
humanhash: one-idaho-nitrogen-princess
File name:fa2d232572f85b32aa2145cca35d13ff.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'145'328 bytes
First seen:2020-12-14 09:40:10 UTC
Last seen:2020-12-14 12:49:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:gyH+DcMQsfsiNAw7mi8DmVYsizFpiDGJWfQdO4sHPbq:gyH+DcMQsfsiNAG38DmVYsizFpiDffQj
TLSH FBE5D2583C43381F756502B89AD716F990EE741914B9073A2D6B18BEE10CE2BBDDF4B2
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017 (192.253.246.137)

Intelligence

File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fa2d232572f85b32aa2145cca35d13ff.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 09:46:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4084db09-092c-45fc-a6da-e4c629690c5d

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/107911/
Detection(s):
SecuriteInfo.com.ArtemisFA2D232572F8.25983.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Deleting a recently created file
Running batch commands
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Result
Verdict:
UNKNOWN
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562004
Signature
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
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330090 Sample: GGQTuM6g8k.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Detected Remcos RAT 2->69 71 3 other signatures 2->71 10 GGQTuM6g8k.exe 2 2->10         started        13 vlc.exe 2 2->13         started        15 vlc.exe 2 2->15         started        process3 signatures4 81 Contains functionality to steal Chrome passwords or cookies 10->81 83 Contains functionality to capture and log keystrokes 10->83 85 Contains functionality to inject code into remote processes 10->85 87 Contains functionality to steal Firefox passwords or cookies 10->87 17 GGQTuM6g8k.exe 4 4 10->17         started        20 WerFault.exe 23 9 10->20         started        22 GGQTuM6g8k.exe 10->22         started        24 GGQTuM6g8k.exe 10->24         started        89 Hides threads from debuggers 13->89 91 Injects a PE file into a foreign processes 13->91 26 WerFault.exe 13->26         started        28 vlc.exe 13->28         started        30 vlc.exe 13->30         started        32 WerFault.exe 15->32         started        34 vlc.exe 15->34         started        process5 file6 51 C:\Users\user\AppData\Roaming\vlc.exe, PE32 17->51 dropped 53 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 17->53 dropped 36 wscript.exe 1 17->36         started        55 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->55 dropped 57 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 26->57 dropped 59 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 32->59 dropped process7 process8 38 cmd.exe 1 36->38         started        process9 40 vlc.exe 2 38->40         started        43 conhost.exe 38->43         started        signatures10 73 Multi AV Scanner detection for dropped file 40->73 75 Contains functionality to steal Chrome passwords or cookies 40->75 77 Contains functionality to capture and log keystrokes 40->77 79 3 other signatures 40->79 45 WerFault.exe 40->45         started        48 vlc.exe 2 1 40->48         started        process11 dnsIp12 61 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 45->61 dropped 63 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 192.253.246.137, 2017 LEASEWEB-USA-NYC-11US United States 48->63 file13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ba8672f1167efc648aba46777c2ef1bafb0e914f0f17d031fbdbb15aa11383c/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-12-14 09:23:17 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dougolyrm7x4msflurtxpqxpdox3b2iu6dyx2ay7xw5rlkqrha6a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201214-ymmrs16tva/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
ServiceHost packer
Remcos
Malware Config
C2 Extraction:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
1ba8672f1167efc648aba46777c2ef1bafb0e914f0f17d031fbdbb15aa11383c
MD5 hash:
fa2d232572f85b32aa2145cca35d13ff
SHA1 hash:
cd218a32c80ee26576a4897845ad6a4328b9f65d
Link:
https://www.unpac.me/results/fddfb904-73f3-4d94-8223-7dd9f5c41dfb/
SH256 hash:
5fcbf0daddb450fcc304dae7a4f8ad4bc37a36e1ba447dd251b944bdc1ebc3a9
MD5 hash:
55b09ab3bb9f601bfc128678ed020842
SHA1 hash:
4af1fc155dc9a8923fe2d6393d4a49a839af91eb
Link:
https://www.unpac.me/results/fddfb904-73f3-4d94-8223-7dd9f5c41dfb/
SH256 hash:
204f6dd076b529204bea649e8f908a891327c0678cc15b7ab4bd601f91541ceb
MD5 hash:
b8d1e9aab14acde9b71a53b429bb7c02
SHA1 hash:
a0f64d047c0b5b6db844a7eb7a2fde4cb824b662
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/fddfb904-73f3-4d94-8223-7dd9f5c41dfb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ba8672f1167efc648aba46777c2ef1bafb0e914f0f17d031fbdbb15aa11383c

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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: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.

Web download

RemcosRAT

Executable exe 1ba8672f1167efc648aba46777c2ef1bafb0e914f0f17d031fbdbb15aa11383c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/917470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107911/

Comments