MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97
SHA3-384 hash: f569dfc10720aed736b093770f01e1a35dbe3b104598f348b33ce3181e98eb9df8cebeb53dd7f21bfc7f6f2d0762cf99
SHA1 hash: 1607d9d4b7f869eb25a3b1e7fcf9359d72718e22
MD5 hash: e9cf73a3acf2068657359b902c67deef
humanhash: sweet-michigan-blue-xray
File name:090887000008000000.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:586'752 bytes
First seen:2021-01-11 09:19:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:60IcD7MTGr13iCZAz1TKI5/DX85JopCGbtR3o:6yMeseI5/DM5Jj0
Threatray 1'328 similar samples on MalwareBazaar
TLSH 00C487D1F15088DAE9EB0AF16D2BA4302497BE5C58A4410C55AEBB1B76F3342709FE1F
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.58.152
From: info@azizemtekstil.com
Subject: SATIN ALMA EMRİ
Attachment: 090887000008000000..pdf.z (contains "090887000008000000.exe")

RemcosRAT C2:
45.137.22.52:8780

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
090887000008000000.exe
Verdict:
Malicious activity
Analysis date:
2021-01-11 09:26:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6e8e8cfd-d7ef-45b5-94dd-b62e4398da8d

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/111267/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Creating a file
Creating a file in the %AppData% subdirectories
Sending a UDP request
Unauthorized injection to a system process
Enabling autorun by creating a file
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/577778
Signature
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
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
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Powershell drops PE file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 337943 Sample: 090887000008000000.exe Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Detected Remcos RAT 2->37 39 Yara detected Remcos RAT 2->39 41 3 other signatures 2->41 7 090887000008000000.exe 3 2->7         started        9 I$s#$lT3ssl.exe 3 2->9         started        process3 signatures4 12 InstallUtil.exe 1 2 7->12         started        17 powershell.exe 15 7->17         started        43 Writes to foreign memory regions 9->43 45 Allocates memory in foreign processes 9->45 47 Injects a PE file into a foreign processes 9->47 19 powershell.exe 19 9->19         started        21 InstallUtil.exe 9->21         started        process5 dnsIp6 33 45.137.22.52, 49726, 8780 ROOTLAYERNETNL Netherlands 12->33 27 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 12->27 dropped 49 Contains functionality to detect virtual machines (IN, VMware) 12->49 51 Contains functionality to steal Chrome passwords or cookies 12->51 53 Contains functionality to capture and log keystrokes 12->53 59 3 other signatures 12->59 29 C:\Users\user\AppData\...\I$s#$lT3ssl.exe, PE32 17->29 dropped 31 C:\Users\...\I$s#$lT3ssl.exe:Zone.Identifier, ASCII 17->31 dropped 55 Drops PE files to the startup folder 17->55 57 Powershell drops PE file 17->57 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        file7 signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-11 09:20:20 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kjc62jgxnnc7bwo6rr6ofj3glxwsoc4lu7llfemr5bmsmmgbtolq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
50a672f57c59c6c3658e484c1c271f358ef2a92596242c77eb8aba6b46465e97
RemcosRAT
556d51d04082d28fef125193130f91f8fa94a0e42d038310a9f631b852286f16
RemcosRAT
56fee643ba39ac908309688827397099ca6b707c45154eb14da1b693f6b16571
RemcosRAT
753883fa972dda966abb3adad3cfc94f0a82ca128d1908df58bac3ba93e60bd3
RemcosRAT
89313534a5c4579b6a00425281ef0473246cfb2340653bd3cf41b584bfa40578
RemcosRAT
8ce18c13ef4b598bba697a559c451fdfd1708e2039ec0e7c3303033b2c787fb6
RemcosRAT
9128e156ef2c0ed95d615729316ff82615354d6509e30a2e931913cb574dd4dc
RemcosRAT
abd4e6ee8152822c0545bd27a4f4c5114728873873e227044dfb48ecf1ecb37f
RemcosRAT
ae6c0eeffd3646190bd567a5c6ab19ce43994c0e02bf380f2a8eb3f2f75741e0
RemcosRAT
b34cc5e5e3b43c045bdd3a8c0966258cab4a6c602d9a9621140eeca567220acb
RemcosRAT
+ 1'318 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210111-5xt2kwr3d6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
45.137.22.52:8780
Unpacked files
SH256 hash:
ac958b7fef8b0c587e23c630c014b83ce13238ecfa50f906c890a8dc964bd180
MD5 hash:
55e2edb36d0b91e5620f8c7c4cf6945a
SHA1 hash:
7b0d8f286016ed4651360c40a2847a1fd229d7ca
Link:
https://www.unpac.me/results/bc15ac0e-4b0f-4588-b954-e27304aeba32/
SH256 hash:
c49f21d7b94bf8dd71cd815e808390cb7514f2f9a573d532ac9333dad4463a75
MD5 hash:
8f06b73dc21ff080fe1085ae75034008
SHA1 hash:
ec42392b9c48ddc153076e4716ab5285f83163b7
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/bc15ac0e-4b0f-4588-b954-e27304aeba32/
Parent samples :
5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97
dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788
0760d3239a1163436238b85852142f3477a87dba6f222737db19d99aa48092a7
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/bc15ac0e-4b0f-4588-b954-e27304aeba32/
SH256 hash:
5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97
MD5 hash:
e9cf73a3acf2068657359b902c67deef
SHA1 hash:
1607d9d4b7f869eb25a3b1e7fcf9359d72718e22
Link:
https://www.unpac.me/results/bc15ac0e-4b0f-4588-b954-e27304aeba32/
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/5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97

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: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: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.

Malspam

RemcosRAT

zip eb60bf6c48e78daf51aa72576d7f34d450aaa8ae63caa7b52b33bb2097de6519

RemcosRAT

Executable exe 5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97

(this sample)

  
Dropped by
MD5 4d74f390121bae07a2a1de4865a9f282
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/111267/
  
Dropped by
SHA256 eb60bf6c48e78daf51aa72576d7f34d450aaa8ae63caa7b52b33bb2097de6519

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