MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1db0bc7089675799a66c321a0401a402b94e0d455037b0cbd76e54188de43c8. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: c1db0bc7089675799a66c321a0401a402b94e0d455037b0cbd76e54188de43c8
SHA3-384 hash: 1c3a01056b50e97a53646c085962b98639e673a790271e00996681f4eca09728482ec9b2943a46bedd143c458db8cd95
SHA1 hash: 3d9bdb73d3c42471f8258cda96cd63f49bd089f7
MD5 hash: a11b9d71c560fd447199129385ef8fe2
humanhash: fillet-one-oxygen-potato
File name:Quotation.exe
Download: download sample
Signature RemcosRAT
File size:730'112 bytes
First seen:2020-10-18 06:34:39 UTC
Last seen:2020-10-18 07:57:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:EBrC8Ij22wddDnw4nPnsOaV4rEj6V2YSsuhHz2R8ZkhEdEIIEx65uWSE:EBruePst4oGV2lsuhHK62h8E83n
Threatray 807 similar samples on MalwareBazaar
TLSH 1EF4AE126649FF40E5BD0733D8A9482093F9FD12DB12E97EACC93A9F1AB1BF49111706
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: gmail.com
Sending IP: 37.49.225.237
From: Ahmed <cdy3079@gmail.com>
Subject: Quotation
Attachment: Quotation.gz (contains "Quotation.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
144
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
Sending a custom TCP request
Forced shutdown of a system process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-10-17 23:34:00 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Unpacked files
SH256 hash:
6e125701d1b607d5c51697022afe38bd6c6712b076767f4aeb4e29a5f0ed8d9e
MD5 hash:
9427fad7210e8e150e2d0cb7eb288c54
SHA1 hash:
1d043f3177a2b848862e1c1d6b3d086ab464ee44
SH256 hash:
d703ed68f615c6a4d8deb8ab163f24efe05f0189a5786db6872d14eb3c6139ad
MD5 hash:
b3275c43dda23e0103189ede34c6d5ca
SHA1 hash:
1ed3eae0573ce62d362e6b9076f3d72fcbfb28f9
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
b32ba409b303b33e7ab2ac9fba89d76c0ce19bce386fb0644e93fce135ba7285
MD5 hash:
73dbff9d5e22c6fe59f626cdbaeb9617
SHA1 hash:
a8e24865ede2a74d8f73da023155449884fb45f2
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
c1db0bc7089675799a66c321a0401a402b94e0d455037b0cbd76e54188de43c8
MD5 hash:
a11b9d71c560fd447199129385ef8fe2
SHA1 hash:
3d9bdb73d3c42471f8258cda96cd63f49bd089f7
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: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: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.

Malspam

RemcosRAT

Executable exe c1db0bc7089675799a66c321a0401a402b94e0d455037b0cbd76e54188de43c8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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