MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a1d2d19d917dfd3d1e94cb26198d7841f9263e36c64fa5f4153a9f776de355. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48a1d2d19d917dfd3d1e94cb26198d7841f9263e36c64fa5f4153a9f776de355
SHA3-384 hash: 726078214c95da0c5539802a873009448d7efb4e6127b95c903db77af612bac7d99fad292f5dc2b4adba2bd4fc163111
SHA1 hash: 4f689b9e1a603c05a1b7990dc2af2a99d8da97b4
MD5 hash: baa1f00010bba3f91fe71859011ad4fc
humanhash: iowa-queen-robert-uranus
File name:Purchase Order 28th-Sep.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:681'984 bytes
First seen:2020-09-28 08:16:24 UTC
Last seen:2020-09-28 09:07:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6Zp3w4ZNkvZ92xWqO0lCKM3kmCFPosopKn9IskRMk3CusbiCecU0lc6BMM1Ij0Or:6Z3ZcP2kqO0S3kmwkEnitJSS99
TLSH 2BE408ED766072EFC857C462DEA82C68EA5074BB931F4213A42715EDDA4D897CF240F2
Reporter FORMALITYDE
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/66365/
Detection(s):
SecuriteInfo.com.ArtemisBAA1F00010BB.4979.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/476261
Signature
Contains functionality to capture and log keystrokes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
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
PE file contains section with special chars
PE file has nameless sections
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 290581 Sample: Purchase Order 28th-Sep.exe Startdate: 28/09/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Sigma detected: Scheduled temp file as task from temp location 2->38 40 14 other signatures 2->40 7 Purchase Order 28th-Sep.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\dGJZuC.exe, PE32 7->20 dropped 22 C:\Users\user\...\dGJZuC.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmp8803.tmp, XML 7->24 dropped 26 C:\Users\...\Purchase Order 28th-Sep.exe.log, ASCII 7->26 dropped 42 Writes to foreign memory regions 7->42 44 Injects a PE file into a foreign processes 7->44 11 vbc.exe 2 3 7->11         started        16 schtasks.exe 1 7->16         started        signatures5 process6 dnsIp7 30 185.165.153.243, 2021, 49716, 49718 DAVID_CRAIGGG Netherlands 11->30 32 91.193.75.48, 2244, 49717, 49721 DAVID_CRAIGGG Serbia 11->32 28 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 11->28 dropped 46 Contains functionality to steal Chrome passwords or cookies 11->46 48 Contains functionality to capture and log keystrokes 11->48 50 Contains functionality to inject code into remote processes 11->50 52 Contains functionality to steal Firefox passwords or cookies 11->52 18 conhost.exe 16->18         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48a1d2d19d917dfd3d1e94cb26198d7841f9263e36c64fa5f4153a9f776de355/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2020-09-28 05:25:59 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jcq5fum5sf672pi6stfsmgmnpba7sjr6g3de7jpucu5j653n4nkq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos
Link:
https://tria.ge/reports/200928-rjyh7pgnq6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Unpacked files
SH256 hash:
48a1d2d19d917dfd3d1e94cb26198d7841f9263e36c64fa5f4153a9f776de355
MD5 hash:
baa1f00010bba3f91fe71859011ad4fc
SHA1 hash:
4f689b9e1a603c05a1b7990dc2af2a99d8da97b4
Link:
https://www.unpac.me/results/bcbd4320-8271-4d07-a9d9-35f9729b49e5/
SH256 hash:
785261875049471f6432827571071af39fdb06ec0a223224c12792201a9f66e5
MD5 hash:
e41b095949e16c551511c80acfc18ac2
SHA1 hash:
c1c9299481d8604297151f48ac8c790c9e920504
Link:
https://www.unpac.me/results/bcbd4320-8271-4d07-a9d9-35f9729b49e5/
SH256 hash:
72b5e8537221fa4a1749a6cb60560c5c23209ceec4afd32ffbf5e50134f04a6b
MD5 hash:
715237bb8899be6fc307b231bd68cc0a
SHA1 hash:
1b0ab4b15261baeed8d9d522bf9318db31c3e25d
Link:
https://www.unpac.me/results/bcbd4320-8271-4d07-a9d9-35f9729b49e5/
SH256 hash:
5c5ce93a34949cc60c334f0efcd5fff9b71f1eedb9f5485d69cc6b41848424f1
MD5 hash:
c212c6e6e80f403c8c9621ec150cba0a
SHA1 hash:
556889ee1ad9ec43c55c18de4fd3fbcec354378d
Link:
https://www.unpac.me/results/bcbd4320-8271-4d07-a9d9-35f9729b49e5/
SH256 hash:
3f99f87c264efefbd5895a01dc6c898d8d927ef7a62618912e4bb6ee820af57b
MD5 hash:
53077aa8a87f33b0e04c3dc7e40821a9
SHA1 hash:
9bb62c33a7334af765338e3189d7aec5a2fbe78d
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/bcbd4320-8271-4d07-a9d9-35f9729b49e5/
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/48a1d2d19d917dfd3d1e94cb26198d7841f9263e36c64fa5f4153a9f776de355

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
Create hunting rule
Author:abuse.ch
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
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

Executable exe 48a1d2d19d917dfd3d1e94cb26198d7841f9263e36c64fa5f4153a9f776de355

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66365/

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