MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cdc50bb11050e621535e8f02ce97838225962cd88318322bddaa73db26bd3b8. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 7cdc50bb11050e621535e8f02ce97838225962cd88318322bddaa73db26bd3b8
SHA3-384 hash: ebb97fb94c077abebe47bf0ea8deffca7a2f1b83d03cf9308b3b2861895e9c8b00ce68b876d48b6d06aebc44095acc53
SHA1 hash: 4c2cd899f7e0f2aa34ceb82581b3ef1e111ae683
MD5 hash: 900af8002d148050e0fe8bf586ba7e7d
humanhash: diet-rugby-social-freddie
File name:Kaszfnrcg7.exe
Download: download sample
Signature RemcosRAT
File size:714'704 bytes
First seen:2020-11-18 19:43:38 UTC
Last seen:2020-11-27 10:06:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:vlWKz3FyNQxd1tdrZLuyeGNeZlHQaTq9XK/cH1iTCtgGjD0XZSTQz1V4y8mo:bRx/7r5uHH1U6/cH8iJ3n
Threatray 1'125 similar samples on MalwareBazaar
TLSH C6E4A3B042AE64AEF14B1731296EBE501171B0D39EC53B6CB3BCD6B4C6BD53E3A19148
Reporter GovCERT_CH
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
30
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Setting a global event handler for the keyboard
Enabling autorun by creating a file
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Creates an undocumented autostart registry key
Detected Remcos RAT
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-11-18 19:44:05 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
latua.nsupdate.info:7722
fanta.nsupdate.info:7722
coke.nsupdate.info:7722
Unpacked files
SH256 hash:
7cdc50bb11050e621535e8f02ce97838225962cd88318322bddaa73db26bd3b8
MD5 hash:
900af8002d148050e0fe8bf586ba7e7d
SHA1 hash:
4c2cd899f7e0f2aa34ceb82581b3ef1e111ae683
SH256 hash:
cadaa0a830738b7bc99781a5b7670d021fa0309502290b0dc332136d08752b8e
MD5 hash:
c24286ab79962c76ba738dbfadbb4a19
SHA1 hash:
465090895752d96186f6ce4346b7840263cacdca
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
SH256 hash:
c7805eba61e9b005126d709c3de4dee7d32fdb9bb91a6530c6b9c6911b0c459e
MD5 hash:
1096f14ff88f080fbed74f61f5e80beb
SHA1 hash:
700712558c00aae65e8cfb71739c0d8538c6f90a
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: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.

a90769e3ccb3ad4d937ed1559a33d67d28f7c17740f55458c3317b51b94d5e32

RemcosRAT

Executable exe 7cdc50bb11050e621535e8f02ce97838225962cd88318322bddaa73db26bd3b8

(this sample)

  
Dropped by
MD5 218bc4a8b6ac81a302e0497be152d677
  
Dropped by
SHA256 a90769e3ccb3ad4d937ed1559a33d67d28f7c17740f55458c3317b51b94d5e32
  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment

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