MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4472980b73c40826e4102b0fe6ec2aba666173130b8af8c824643c157c538465. 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 7 File information Comments

SHA256 hash: 4472980b73c40826e4102b0fe6ec2aba666173130b8af8c824643c157c538465
SHA3-384 hash: a976352f84d060e7681c5457836f7dc3ff985d322bd7b067d74109e6f7dc0955c776d273c85fc351d4948c5e1063d5eb
SHA1 hash: 8b286f38dcd05603485d69a5556aba032001774d
MD5 hash: 3daaf5bef9def939d62d805a8d001130
humanhash: eighteen-florida-summer-oregon
File name:SWIFT COPY PRINTOUT.exe
Download: download sample
Signature RemcosRAT
File size:1'529'344 bytes
First seen:2020-10-24 10:34:25 UTC
Last seen:2020-10-24 12:01:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ivk3Roh8vxdESBAI2gIlhHIXRw/VTs7qQS/N0E3j2zcxW8:ivcohGESBAHcsVf/N0E3j2zcM
Threatray 506 similar samples on MalwareBazaar
TLSH 4965299C7650B1DFC867C972CEA86C64EB90787A871BC203A45312AD994E997CF143F3
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: monolithicpower.com
Sending IP: 66.154.112.152
From: Li<Ethan.Li@monolithicpower.com>
Subject: RE CONFIRM THE BANK ACCOUNT DETAILS FOR PAYMENT
Attachment: SWIFT COPY PRINTOUT.zip (contains "SWIFT COPY PRINTOUT.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
113
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 TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303422 Sample: SWIFT COPY PRINTOUT.exe Startdate: 24/10/2020 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 13 other signatures 2->53 7 SWIFT COPY PRINTOUT.exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\...\YvaopgWpOFJKXZ.exe, PE32 7->29 dropped 31 C:\...\YvaopgWpOFJKXZ.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp8DA4.tmp, XML 7->33 dropped 35 C:\Users\user\...\SWIFT COPY PRINTOUT.exe.log, ASCII 7->35 dropped 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 59 Sample uses process hollowing technique 7->59 61 Injects a PE file into a foreign processes 7->61 11 vbc.exe 2 1 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 39 185.244.30.207, 1990, 49728, 49740 DAVID_CRAIGGG Netherlands 11->39 63 Tries to steal Mail credentials (via file registry) 11->63 65 Contains functionality to steal Chrome passwords or cookies 11->65 67 Contains functionality to capture and log keystrokes 11->67 69 3 other signatures 11->69 17 vbc.exe 1 11->17         started        20 vbc.exe 13 11->20         started        23 vbc.exe 1 11->23         started        25 conhost.exe 11->25         started        27 conhost.exe 15->27         started        signatures8 process9 dnsIp10 41 Tries to steal Instant Messenger accounts or passwords 17->41 43 Tries to steal Mail credentials (via file access) 17->43 37 192.168.2.1 unknown unknown 20->37 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 signatures11
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2020-10-24 07:01:08 UTC
AV detection:
23 of 28 (82.14%)
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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
185.244.30.207:1990
Unpacked files
SH256 hash:
4472980b73c40826e4102b0fe6ec2aba666173130b8af8c824643c157c538465
MD5 hash:
3daaf5bef9def939d62d805a8d001130
SHA1 hash:
8b286f38dcd05603485d69a5556aba032001774d
SH256 hash:
d5123df2aeb8194706fe2b11739be56e08a406e32be40c155afe0fe4a01e6e7a
MD5 hash:
84026f3e563921069965c3b776d47b56
SHA1 hash:
2333d4544c22134c631a5e3baac2e0cc05c2d310
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
9f243f268e4fc39ed86ab95fa1d8813ea2154f344737d1e35cf12d9bc4a8043f
MD5 hash:
941f45b96c8edcb1c5bd5d9219412dac
SHA1 hash:
2865a75fbc7e41462656a3861dd5f2c0c2c792b3
SH256 hash:
bf65d6df9093b0c17eb0227d1755e85cab632ca2366f47de0c216b54ea8579e6
MD5 hash:
5a5b489b56187822782e3c7f218a5434
SHA1 hash:
cd5850c82cd48d451dafa086a8309c09c0bdbe16
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
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:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
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 4472980b73c40826e4102b0fe6ec2aba666173130b8af8c824643c157c538465

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments