MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f
SHA3-384 hash: 5b325cfa377656109ec2180ee1fbcb7816fa4c47e71b75f640ec021fe5d4af18f3f362c1dee8e5ee2914d70d876d941c
SHA1 hash: e3e2654f1f1791d58e611a785781c0a7530178ab
MD5 hash: 150db24ad623a82ac4a0a0d1bab43f18
humanhash: artist-snake-maryland-vegan
File name:PO-IMG-00WDE21-00SW12-1102DD.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:446'808 bytes
First seen:2020-11-25 06:42:40 UTC
Last seen:2020-11-27 09:38:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:UVmnCo/QWlgOx8ExrCdpXj1xCTUfdaXXjgtH5Q:qq/PTBCt4go8t+
Threatray 1'132 similar samples on MalwareBazaar
TLSH 3994B0C579079401CF9746338A95593032306C4FA9E1C13E2BA9F36926BE7BDA8453BF
Reporter GovCERT_CH
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
8
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Connection attempt to an infection source
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/546626
Signature
.NET source code references suspicious native API functions
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 322406 Sample: PO-IMG-00WDE21-00SW12-1102DD.exe Startdate: 25/11/2020 Architecture: WINDOWS Score: 100 37 www.stellionlab.com 2->37 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 7 PO-IMG-00WDE21-00SW12-1102DD.exe 1 6 2->7         started        11 vlc.exe 3 2->11         started        13 vlc.exe 2 2->13         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->29 dropped 31 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\...\PO-IMG-00WDE21-00SW12-1102DD.exe.log, ASCII 7->33 dropped 49 Contains functionality to steal Chrome passwords or cookies 7->49 51 Contains functionality to capture and log keystrokes 7->51 53 Contains functionality to inject code into remote processes 7->53 55 Contains functionality to steal Firefox passwords or cookies 7->55 15 PO-IMG-00WDE21-00SW12-1102DD.exe 2 3 7->15         started        19 PO-IMG-00WDE21-00SW12-1102DD.exe 7->19         started        21 PO-IMG-00WDE21-00SW12-1102DD.exe 7->21         started        35 C:\Users\user\AppData\Local\...\vlc.exe.log, ASCII 11->35 dropped 57 Injects a PE file into a foreign processes 11->57 23 vlc.exe 11->23         started        25 vlc.exe 13->25         started        signatures6 process7 dnsIp8 39 www.stellionlab.com 185.19.85.183, 49708, 49709, 49712 DATAWIRE-ASCH Switzerland 15->39 27 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 15->27 dropped file9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-11-25 03:47:26 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fl6rqpwzbmgsidnndhcbp6twfwqcswvamfg5ecajwqdogp7sgbhq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
344ce3854299c58105065ee7c9605cb77d04669f433a6080f640fbe304c8e1df
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
69c0dfdb136e864341810ac7ac86ce413c9de466d775651e5bf6eeeeebb0e7c2
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
b15744a72a1cc86bd567d3b96f3fecc02f23a3bcdcd8db310341defd91247c30
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'122 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201125-vx9rx5brre/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
www.stellionlab.com:5004
Unpacked files
SH256 hash:
2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f
MD5 hash:
150db24ad623a82ac4a0a0d1bab43f18
SHA1 hash:
e3e2654f1f1791d58e611a785781c0a7530178ab
Link:
https://www.unpac.me/results/02df6ba7-d6b2-4abe-b0e7-f9aba611a326/
SH256 hash:
db69578ca70568cad8dd3ffbe5206de7707e7e3531d4414336f6f77db6fb0c4d
MD5 hash:
d13bfac95f26de390e0d06910168bde0
SHA1 hash:
00524889e24175d9b5bb11eb5fbcd5c5cb5b0a3c
Link:
https://www.unpac.me/results/02df6ba7-d6b2-4abe-b0e7-f9aba611a326/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/02df6ba7-d6b2-4abe-b0e7-f9aba611a326/
SH256 hash:
6d2a102a2084559ceaa76d9e91fc59258fac5d7c7601428ee88d9816b8902fae
MD5 hash:
0b642225c97718ad8897202aa1360c80
SHA1 hash:
c58fed602c65c08a7b05b83ce19e4150006f2d1a
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/02df6ba7-d6b2-4abe-b0e7-f9aba611a326/
Parent samples :
344ce3854299c58105065ee7c9605cb77d04669f433a6080f640fbe304c8e1df
2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f
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/2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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

zip 48c5071dda7f833151a7203aa78d3cbec6eb61bb845efc79dec3b53a4e24e4f3

RemcosRAT

Executable exe 2afd183ed90b0d240dad19c417fa762da0295aa0614dd20809b406e33ff2304f

(this sample)

  
Dropped by
MD5 b35b564bab670fabfad8de07f28e5b02
  
Dropped by
SHA256 48c5071dda7f833151a7203aa78d3cbec6eb61bb845efc79dec3b53a4e24e4f3
  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/105451/

Comments