MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9cbd60298e5be7b6c5813a3c03bd423ae73364049848c44145b9c079fd0adc. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b9cbd60298e5be7b6c5813a3c03bd423ae73364049848c44145b9c079fd0adc
SHA3-384 hash: bfb39fc89d03bea433949711b7596339637ece50a8b8478614eb716e5ae49838b097d00ba3398a3dd40c249aff1ab3a7
SHA1 hash: 4fe23673248a0ac03f019c7443adf069e2d44635
MD5 hash: ac9c3ef9cef5f51646c61974675cbc56
humanhash: failed-arizona-nevada-dakota
File name:Dokumen penerimaan DHL 1190406570, pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:694'272 bytes
First seen:2020-10-19 06:39:22 UTC
Last seen:2020-10-19 08:24:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:cLtNbhYvkQrPoJ4RE3OR3cBPoEPFKB8l5WNC:c/bhukOPvRNu6EPIB8lQs
Threatray 890 similar samples on MalwareBazaar
TLSH 92E48D1462851F58E07EA7325160045093F6FD42CB68C91FBDE93AD92E32F82C777A9B
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: vps.knei-ttrati.com
Sending IP: 45.95.169.151
From: DHL Express Cargo <delivery@dhl.com>
Subject: Pengiriman kargo Dhl
Attachment: Dokumen penerimaan DHL 1190406570, pdf.iso (contains "Dokumen penerimaan DHL 1190406570, pdf.exe")

RemcosRAT C2:
doublegrace2020.ddns.net

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/72749/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.424.6893.28092.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Running batch commands
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494843
Signature
.NET source code contains potential unpacker
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
Contains functionalty to change the wallpaper
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
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 299872 Sample: Dokumen penerimaan DHL 1190... Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 78 doublegrace2020.ddns.net 2->78 84 Malicious sample detected (through community Yara rule) 2->84 86 Multi AV Scanner detection for dropped file 2->86 88 Sigma detected: Scheduled temp file as task from temp location 2->88 90 14 other signatures 2->90 12 Dokumen penerimaan DHL 1190406570, pdf.exe 7 2->12         started        16 remcos.exe 2->16         started        18 remcos.exe 2->18         started        signatures3 process4 file5 70 C:\Users\user\AppData\...\gSGnDTsTBgJ.exe, PE32 12->70 dropped 72 C:\Users\user\AppData\Local\...\tmp770F.tmp, XML 12->72 dropped 74 Dokumen penerimaan...406570, pdf.exe.log, ASCII 12->74 dropped 92 Injects a PE file into a foreign processes 12->92 20 Dokumen penerimaan DHL 1190406570, pdf.exe 4 5 12->20         started        24 schtasks.exe 1 12->24         started        26 schtasks.exe 16->26         started        28 remcos.exe 16->28         started        30 schtasks.exe 18->30         started        32 remcos.exe 18->32         started        signatures6 process7 dnsIp8 82 192.168.2.1 unknown unknown 20->82 66 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 20->66 dropped 68 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 20->68 dropped 34 wscript.exe 1 20->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 30->40         started        file9 process10 process11 42 cmd.exe 1 34->42         started        process12 44 remcos.exe 5 42->44         started        48 conhost.exe 42->48         started        file13 76 C:\Users\user\AppData\...\remcos.exe.log, ASCII 44->76 dropped 94 Multi AV Scanner detection for dropped file 44->94 96 Contains functionalty to change the wallpaper 44->96 98 Contains functionality to steal Chrome passwords or cookies 44->98 100 4 other signatures 44->100 50 remcos.exe 2 147 44->50         started        54 schtasks.exe 1 44->54         started        signatures14 process15 dnsIp16 80 doublegrace2020.ddns.net 185.19.85.135, 49713, 49718, 49722 DATAWIRE-ASCH Switzerland 50->80 58 C:\Users\user\...\time_20201019_084702.dat, data 50->58 dropped 60 C:\Users\user\...\time_20201019_084701.dat, data 50->60 dropped 62 C:\Users\user\...\time_20201019_084700.dat, data 50->62 dropped 64 58 other malicious files 50->64 dropped 56 conhost.exe 54->56         started        file17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b9cbd60298e5be7b6c5813a3c03bd423ae73364049848c44145b9c079fd0adc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-18 22:43:28 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dool2ybjrzn6pnwfqe5dya55ii5oom3easmerrcbiw44a6p5bloa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
15170d0dbe467efc4e38156ed4e03702ae19af44c100d7df7a75c6dbdb7ac587
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4875f3562c4af57ea7bd8f6eecfc297784d9307cd7190a6aa44a0dffc21258c9
RemcosRAT
54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f
RemcosRAT
6274c01dd6783517a68267d2c6c2af38143ed35074cfc2372d8bc385a7c5f4e9
RemcosRAT
6c882aeb918e424cefe1068a6d3fbff5526c31e185716bf3a0d5ae0295772f09
RemcosRAT
763d415415add2ffc6d482373e211c8c8b647ee46ade5e8dacce10f79d515e2b
RemcosRAT
a1c644a64801c61e1649517c3debc28b194b4f9d43e1a99bc28724f652c3ca5e
RemcosRAT
b5ba143b36eb77a1899c07ef016155b3b7ef73b83456cadf534245896360b902
RemcosRAT
ef83d81d11a67e30b60aee43b96466b0c372d4db23fb1d1cafc8757b2393581b
RemcosRAT
+ 880 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos persistence
Link:
https://tria.ge/reports/201019-l76ydqwkxs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
doublegrace2020.ddns.net:7171
Unpacked files
SH256 hash:
844ac62071aca525ff4ab762f0bc7e7c2072d2d0a6494f71d975b234249b6b79
MD5 hash:
a8e0129ae77f05449d0022d4d3a0529a
SHA1 hash:
556337f956a600a82e5142f60514cdbd5139547d
Link:
https://www.unpac.me/results/c295bf20-d9e6-4901-abd9-5ed905189059/
SH256 hash:
da6c9f420059c84b166b013cb2518a1e340b67c910fa1b8a755e97fe5b874de4
MD5 hash:
f0638b8bc2063162e967b00e41c22943
SHA1 hash:
d4657fee4593733b7294d72d98833853a362e921
Link:
https://www.unpac.me/results/c295bf20-d9e6-4901-abd9-5ed905189059/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/c295bf20-d9e6-4901-abd9-5ed905189059/
SH256 hash:
ea0aaf10324937a8f4a33f5eaaf4251fef4b34aa1122c087480971ad344a2a5e
MD5 hash:
8b47ca332244998d4ac533e26a4a5995
SHA1 hash:
36d87bed88d6e1165607690eb94762280809c823
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c295bf20-d9e6-4901-abd9-5ed905189059/
SH256 hash:
1b9cbd60298e5be7b6c5813a3c03bd423ae73364049848c44145b9c079fd0adc
MD5 hash:
ac9c3ef9cef5f51646c61974675cbc56
SHA1 hash:
4fe23673248a0ac03f019c7443adf069e2d44635
Link:
https://www.unpac.me/results/c295bf20-d9e6-4901-abd9-5ed905189059/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b9cbd60298e5be7b6c5813a3c03bd423ae73364049848c44145b9c079fd0adc

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: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

iso c805effba6926f80b44e051afa01d92ea185390304e13b1487fcc60039990ee7

RemcosRAT

Executable exe 1b9cbd60298e5be7b6c5813a3c03bd423ae73364049848c44145b9c079fd0adc

(this sample)

  
Dropped by
MD5 ef4fb1fcd51eb80e3ee529e1da53d4c0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c805effba6926f80b44e051afa01d92ea185390304e13b1487fcc60039990ee7
Cape
Cape
https://www.capesandbox.com/analysis/72749/

Comments