MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a9d6f65582f501b13882b7114eb420be506bbf8695a890e1573d3a20b8d0b7c. 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 9 File information Comments

SHA256 hash:	5a9d6f65582f501b13882b7114eb420be506bbf8695a890e1573d3a20b8d0b7c
SHA3-384 hash:	acde9ac86a510c14c15dc966bcdd626e2acc2ab0bb7b5a401bbc59f38ffc2795209fb41ed992bb77d81dafb31281593b
SHA1 hash:	4b23d7c6fb0485ccdc6de237072b71f74ab893b9
MD5 hash:	5c8fcc8693998cabc942af298bb96ce6
humanhash:	washington-lemon-berlin-undress
File name:	09--0998899.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	479'232 bytes
First seen:	2021-01-14 20:12:40 UTC
Last seen:	2021-01-14 21:35:03 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2087285a50d01bf3729a786c15ab23ed (6 x Formbook, 3 x RemcosRAT, 3 x Loki)
ssdeep	3072:8ox4LaDwLiWZik0sISF8eZ+fWeZa+HAg0FuxSDpjx+dDolCzg2/lwlw1sffqPn0b:T4LDiWZT32WKaWAO4pj0dDoRfCP0kxe
Threatray	224 similar samples on MalwareBazaar
TLSH	07A477D1F190C8EAEC6B05F1BD2AA5302497BE9C54A4410D56ADBB1B76F3342309FE1E
Reporter	abuse_ch
Tags:	exe geo RAT RemcosRAT TUR

abuse_ch

Malspam distributing RemcosRAT:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.58.152
From: "Eng. Elias Hanna" <oktaykucuk@karatguc.com>
Subject: YENİ SİPARİŞ
Attachment: 09--0998899..pdf.z (contains "09--0998899.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

159

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

09--0998899.exe

Verdict:

Malicious activity

Analysis date:

2021-01-14 20:38:09 UTC

Tags:

trojan rat remcos

Link:

https://app.any.run/tasks/1a5d4a37-d2c7-4d23-8714-b7ed34b0b259

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/112094/

Detection(s):

SecuriteInfo.com.Trojan.Siggen9.48175.14211.5814.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a file in the %temp% subdirectories

Creating a file

Running batch commands

Creating a process with a hidden window

Launching a process

Unauthorized injection to a recently created process

Setting a keyboard event handler

Creating a window

Sending a custom TCP request

Creating a file in the %AppData% subdirectories

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

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/581816

Signature

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 register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Detected Remcos RAT

Installs a global keyboard hook

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

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:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5a9d6f65582f501b13882b7114eb420be506bbf8695a890e1573d3a20b8d0b7c/

Threat name:

Win32.Spyware.Noon

Status:

Malicious

First seen:

2021-01-14 14:14:52 UTC

AV detection:

20 of 29 (68.97%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=lkow6zkyf5ibwe4ifnyrj22cbpsqno7ynfnisdqvopj2ec4nbn6a._file

Verdict:

unknown

RemcosRAT

266a17ea6c2608d4ed7b8495fb387c649e62224c9eb81b0d6199f12b7f7cdc6a

RemcosRAT

2f5342dc12629b9db5c1f64b130401580d4a20a862be9293f80942d01c162f32

RemcosRAT

4ed4c6dc0931fc532768d6b208faf7ed7281427c417a048a013c8a7104707582

RemcosRAT

53f89ac782afeef77891b25e92440050a0bb224ff1eb439ac787364335b661cd

RemcosRAT

9888381eb68d98f0581ab81845f2fc9e15af6ba1193a131bdf60497e3a3d1247

RemcosRAT

9e98384954932a0a9e5f921f257029bf45f721b0d279c8432c4eb5f1bf507795

RemcosRAT

a9b710f85ef86429b380e2a96153ea27a21ea201ce8bd81e316420f0c3a435c3

RemcosRAT

bce5cf4569147481b12df6d6448ecc1604a5ca28b76c49095b899f934f63cdfa

RemcosRAT

f05b74930aa9777625a66d2852fb0b690461ef0b5598d35b2d7959721456600d

RemcosRAT

+ 214 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos rat

Link:

https://tria.ge/reports/210114-azzx9ak7t2/

Behaviour

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetThreadContext

Remcos

Malware Config

C2 Extraction:

72.11.157.241:4445

Unpacked files

SH256 hash:

5a9d6f65582f501b13882b7114eb420be506bbf8695a890e1573d3a20b8d0b7c

MD5 hash:

5c8fcc8693998cabc942af298bb96ce6

SHA1 hash:

4b23d7c6fb0485ccdc6de237072b71f74ab893b9

Link:

https://www.unpac.me/results/c38a9c0b-f6e6-4061-a448-4ca4c3a12a96/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/5a9d6f65582f501b13882b7114eb420be506bbf8695a890e1573d3a20b8d0b7c

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_EXE_Packed_MPress Create hunting rule
Author:	ditekSHen
Description:	Detects executables built or packed with MPress PE compressor

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:	suspicious_packer_section Create hunting rule
Author:	@j0sm1
Description:	The packer/protector section names/keywords
Reference:	http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

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