MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09f6c4b28ed0490da8a1cfd3e03c820ed0bd2cedd2eade3a9af79da2d6891be4. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: 09f6c4b28ed0490da8a1cfd3e03c820ed0bd2cedd2eade3a9af79da2d6891be4
SHA3-384 hash: d4d0eeb255bd1038727733cf89f642ff57783b21cad6fe9c0efe6feabead8c567dfb1132176e972e50769d9f3a12aa41
SHA1 hash: ab3cf914cf6be924bd3f2dcbe3a1b6876bdf429d
MD5 hash: 725386c826d7c07ea88379bd2ec26b4b
humanhash: moon-finch-kentucky-west
File name:09f6c4b28ed0490da8a1cfd3e03c820ed0bd2cedd2eade3a9af79da2d6891be4
Download: download sample
Signature RemcosRAT
File size:606'208 bytes
First seen:2020-11-10 11:29:54 UTC
Last seen:2024-07-24 11:02:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:4TY9qnfivfUyc+ZCa66DKmOHQzbJSNCTGJ3NjLMvK2TEsycfO6nDkppZg:4U9efivfUyckY6emaQX4NC
Threatray 388 similar samples on MalwareBazaar
TLSH 92D45AAC361076DFC827C976CA982C64EB6074BB530BD203A45316ADEE4D997DF250F2
Reporter seifreed
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Connection attempt to an infection source
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.
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Detected Remcos RAT
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 313700 Sample: 9n3bhHVm2J Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for dropped file 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 8 other signatures 2->50 7 9n3bhHVm2J.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\...\txZawdSfqVT.exe, PE32 7->26 dropped 28 C:\Users\...\txZawdSfqVT.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp1847.tmp, XML 7->30 dropped 32 C:\Users\user\AppData\...\9n3bhHVm2J.exe.log, ASCII 7->32 dropped 10 vbc.exe 2 3 7->10         started        15 schtasks.exe 1 7->15         started        process5 dnsIp6 36 185.140.53.197, 1011, 49715, 49728 DAVID_CRAIGGG Sweden 10->36 34 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 10->34 dropped 52 Tries to steal Mail credentials (via file registry) 10->52 54 Injects a PE file into a foreign processes 10->54 17 vbc.exe 1 10->17         started        20 vbc.exe 13 10->20         started        22 vbc.exe 1 10->22         started        24 conhost.exe 15->24         started        file7 signatures8 process9 signatures10 38 Tries to steal Instant Messenger accounts or passwords 17->38 40 Tries to steal Mail credentials (via file access) 17->40 42 Tries to harvest and steal browser information (history, passwords, etc) 20->42
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2020-11-08 04:59:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
185.140.53.197:1011
Unpacked files
SH256 hash:
de47f795a5b57ec0cff334d61c5b10af65de88388c64c37cc08fc84dfad1a8e8
MD5 hash:
c88fcb85a57c5dcf9c7c769efb842693
SHA1 hash:
0612d76355a3b7b593832af5ebe866bb88be9a23
SH256 hash:
996b18bbc9c525639cd48e17ff8dbc8f7e07486f417aad7948b4025492ef91e2
MD5 hash:
22dc63833c297109993b33c644153724
SHA1 hash:
7a348cc0004e9b99d6c0280fb470d3bfe82af1d8
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
09f6c4b28ed0490da8a1cfd3e03c820ed0bd2cedd2eade3a9af79da2d6891be4
MD5 hash:
725386c826d7c07ea88379bd2ec26b4b
SHA1 hash:
ab3cf914cf6be924bd3f2dcbe3a1b6876bdf429d
SH256 hash:
36804ad3d1fbcf8b501bc731ed89601583e8504585fe8ce47ad08e07680ad427
MD5 hash:
7b3a2b90f390a38099085aa50895f112
SHA1 hash:
d5f82e57821194b285adfb13d0b1f8427341ce75
Detections:
win_remcos_g0 win_remcos_auto
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Embedded_PE
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
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