MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c882aeb918e424cefe1068a6d3fbff5526c31e185716bf3a0d5ae0295772f09. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c882aeb918e424cefe1068a6d3fbff5526c31e185716bf3a0d5ae0295772f09
SHA3-384 hash: 5cadfdc10a9216b958867bfc221df8c1098b9eb385f92fe9bead54721fdb5a72509e4062aace341507b38d037a403560
SHA1 hash: 0d0598e1be9bd940734708769bfb1961303e7c0e
MD5 hash: 6466b9e657e38501048da7869b1de39f
humanhash: don-nevada-mango-butter
File name:V08514-2336-ç´…è˜¿è””æ ¸å° å–®.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:672'256 bytes
First seen:2020-07-29 05:32:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 12288:kRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXL1Padp16vOHS:kfd8z4byilBdlGX0Uvx
Threatray 807 similar samples on MalwareBazaar
TLSH A7E49E26B2E14833D167EE789C1B57649F3ABE002E3859452FFC1C7C9F396813866297
Reporter abuse_ch
Tags:RAT RemcosRAT scr


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mail.mojoka.tk
Sending IP: 45.147.162.151
From: Panda Kao / selina.chen - 陳靜怡 <admin@mojoka.tk>
Subject: (更新運費)萬達回覆紅蘿蔔運費報價 FM : TAICHUNG, TAIWAN TO: LOS ANGELES, USA (1 x 20') - RESEND
Attachment: SKM_454e20070310530.zip (contains "V08514-2336-ç´…è˜¿è””æ ¸å° å–®.scr")

RemcosRAT C2:
188.72.124.143:2855

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34148/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Launching a process
Connection attempt
Launching the default Windows debugger (dwwin.exe)
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
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401222
Signature
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
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: Suspicious Svchost Process
Writes to foreign memory regions
Yara detected Keylogger Generic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252824 Sample: 13#U00ae.scr Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 85 g.msn.com 2->85 99 Malicious sample detected (through community Yara rule) 2->99 101 Multi AV Scanner detection for submitted file 2->101 103 Detected Remcos RAT 2->103 105 4 other signatures 2->105 14 13#U00ae.exe 2->14         started        17 Fedex.exe 2->17         started        signatures3 process4 signatures5 123 Detected unpacking (changes PE section rights) 14->123 125 Detected unpacking (overwrites its own PE header) 14->125 127 Contains functionality to steal Chrome passwords or cookies 14->127 131 4 other signatures 14->131 19 13#U00ae.exe 4 5 14->19         started        22 Fedex.exe 14->22         started        129 Maps a DLL or memory area into another process 17->129 25 Fedex.exe 17->25         started        process6 file7 69 C:\Users\user\AppData\Roaming\...\Fedex.exe, PE32 19->69 dropped 71 C:\Users\user\...\Fedex.exe:Zone.Identifier, ASCII 19->71 dropped 27 wscript.exe 1 19->27         started        29 Fedex.exe 19->29         started        107 Maps a DLL or memory area into another process 22->107 signatures8 process9 process10 31 cmd.exe 1 27->31         started        process11 33 Fedex.exe 31->33         started        36 conhost.exe 31->36         started        signatures12 91 Multi AV Scanner detection for dropped file 33->91 93 Detected unpacking (changes PE section rights) 33->93 95 Detected unpacking (overwrites its own PE header) 33->95 97 6 other signatures 33->97 38 Fedex.exe 4 1 33->38         started        process13 dnsIp14 87 188.72.124.143, 2855 M247GB Netherlands 38->87 109 Writes to foreign memory regions 38->109 111 Allocates memory in foreign processes 38->111 113 Injects a PE file into a foreign processes 38->113 42 svchost.exe 38->42         started        45 svchost.exe 38->45         started        47 svchost.exe 38->47         started        signatures15 process16 signatures17 115 Contains functionality to steal Chrome passwords or cookies 42->115 117 Contains functionality to capture and log keystrokes 42->117 119 Maps a DLL or memory area into another process 42->119 121 2 other signatures 42->121 49 svchost.exe 42->49         started        51 svchost.exe 45->51         started        53 svchost.exe 47->53         started        process18 process19 55 WerFault.exe 23 9 49->55         started        59 WerFault.exe 49->59         started        61 WerFault.exe 2 9 51->61         started        63 WerFault.exe 51->63         started        65 WerFault.exe 53->65         started        67 WerFault.exe 53->67         started        dnsIp20 89 192.168.2.1 unknown unknown 55->89 73 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 55->73 dropped 75 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 59->75 dropped 77 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 61->77 dropped 79 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 63->79 dropped 81 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 65->81 dropped 83 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 67->83 dropped file21
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c882aeb918e424cefe1068a6d3fbff5526c31e185716bf3a0d5ae0295772f09/
Threat name:
Win32.Trojan.DataStealer
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:34:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nsecv24rrzbez37ba2fg2p576vjgympbqvywx45a2wxafflxf4eq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
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a1c561c21720c4f1c3626276db6afc2c12b1aae9304c78518763eb78454f84b8
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a1c644a64801c61e1649517c3debc28b194b4f9d43e1a99bc28724f652c3ca5e
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c86bcfe4e22cb50054b44e38fc4fb79624c4ed5bf9a26174754dbb5c1a6baff8
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eb1230ab4a5408a3d264bb51f1ff311fcf52aa97d52b801738cd5add365e77d2
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f412da03defe68cc6e1f264449adf519a4c5470c51e7b502854f7fbf358f8516
RemcosRAT
+ 797 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200729-a62zb6x12a/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
188.72.124.143:2855
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/6c882aeb918e424cefe1068a6d3fbff5526c31e185716bf3a0d5ae0295772f09

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: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.

Malspam

RemcosRAT

zip d7bf5358e827fbc7a4b8b7606dad9dd9fb720af735c497ff4c94576de9004589

RemcosRAT

Executable exe 6c882aeb918e424cefe1068a6d3fbff5526c31e185716bf3a0d5ae0295772f09

(this sample)

  
Dropped by
MD5 226d097ec47e38f6d908c2872fb3cee5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34148/
  
Dropped by
SHA256 d7bf5358e827fbc7a4b8b7606dad9dd9fb720af735c497ff4c94576de9004589

Comments