MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18e3f381f0a9ad36dce7659da7a713e05624e7efce8bdc465fb67cff7189f99b. 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: 12


Intelligence 12 IOCs 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18e3f381f0a9ad36dce7659da7a713e05624e7efce8bdc465fb67cff7189f99b
SHA3-384 hash: 4d3f84dfe449154e689b5992aaabc1a83549225e1121062427152dfcbc0ef8912d8b3db7666f605a9f6ae0fd0ccd8643
SHA1 hash: 17ad591c963a1b522dfb09e7c5ecd60f2bcd48cb
MD5 hash: 25be001a7f5c660f22d070b4cd0442f4
humanhash: football-december-orange-virginia
File name:POPSSBR-172566531CA.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:890'368 bytes
First seen:2021-03-23 08:18:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wEca1LtnhGp2MuNuz3/8qBCKfypJJYFO7cYh9g2XMtpbjbYaD6TMp55Y:Xca1LtnhmTuoLK7JYYthXYjbYaD6To5Y
Threatray 2'100 similar samples on MalwareBazaar
TLSH 7A15AD9636509D67C9380DF164923A84C3B94C1636BAE7CAEDCAF1DA14FBF905D122C3
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
103.114.106.35:5585

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
103.114.106.35:5585 https://threatfox.abuse.ch/ioc/4605/

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
POPSSBR-172566531CA.exe
Verdict:
Malicious activity
Analysis date:
2021-03-23 09:08:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9e271ce6-3d7b-4b07-928f-536657c0fe4b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/126506/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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/649572
Signature
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 373743 Sample: POPSSBR-172566531CA.exe Startdate: 23/03/2021 Architecture: WINDOWS Score: 100 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Sigma detected: Scheduled temp file as task from temp location 2->77 79 5 other signatures 2->79 11 POPSSBR-172566531CA.exe 6 2->11         started        15 chrome.exe 4 2->15         started        17 chrome.exe 2->17         started        process3 file4 63 C:\Users\user\AppData\Local\...\tmp5FB8.tmp, XML 11->63 dropped 65 C:\Users\user\...\POPSSBR-172566531CA.exe.log, ASCII 11->65 dropped 67 C:\Users\user\AppData\...\iepTgosVPTBx.exe, PE32 11->67 dropped 81 Contains functionality to steal Chrome passwords or cookies 11->81 83 Contains functionality to capture and log keystrokes 11->83 85 Contains functionality to inject code into remote processes 11->85 89 2 other signatures 11->89 19 POPSSBR-172566531CA.exe 4 5 11->19         started        22 schtasks.exe 1 11->22         started        24 backgroundTaskHost.exe 11->24         started        87 Injects a PE file into a foreign processes 15->87 26 schtasks.exe 15->26         started        28 chrome.exe 15->28         started        30 schtasks.exe 17->30         started        32 chrome.exe 17->32         started        signatures5 process6 file7 59 C:\Users\user\AppData\Roaming\...\chrome.exe, PE32 19->59 dropped 61 C:\Users\user\...\chrome.exe:Zone.Identifier, ASCII 19->61 dropped 34 wscript.exe 1 19->34         started        37 conhost.exe 22->37         started        39 conhost.exe 26->39         started        41 conhost.exe 30->41         started        process8 dnsIp9 69 192.168.2.1 unknown unknown 34->69 43 cmd.exe 1 34->43         started        process10 process11 45 chrome.exe 5 43->45         started        48 conhost.exe 43->48         started        signatures12 91 Injects a PE file into a foreign processes 45->91 50 chrome.exe 45->50         started        53 schtasks.exe 45->53         started        55 chrome.exe 45->55         started        process13 dnsIp14 71 103.114.106.35, 49734, 5585 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 50->71 57 conhost.exe 53->57         started        process15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/18e3f381f0a9ad36dce7659da7a713e05624e7efce8bdc465fb67cff7189f99b/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 08:19:09 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ddr7hapqvgwtnxhhmwo2pjyt4blcjz7pz2f5yrs7wz6p64mj7gnq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
232e0519807d6bd5adad7c4617644803d6e3b3524595dfd80d5eadcc001c99f1
RemcosRAT
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
4b8335250b1cfcb5fac9790261dd43f5efcbc187c68961ee5afd34662d0599ed
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
80633cf6f53854e8c478e74ae93e4456f7730d323ca9d57d445de570a7ee7f45
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 2'090 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210323-jmn9e8rz3x/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
103.114.106.35:5585
Unpacked files
SH256 hash:
80e397e543c38444462397d6e212c53822b7300b803f7a337906ac2f4b23476e
MD5 hash:
5bceecc4f7229850389e3d5118677642
SHA1 hash:
a848eeabb80b2683fb985cd98c220a1d2dafd6c7
Link:
https://www.unpac.me/results/c49066e3-c819-426b-8f91-5e2345716885/
SH256 hash:
e605982c2ccb4d4f8c4d1a1384ab86e3bb4584d13837b67527a8e40010a4a7e3
MD5 hash:
9e7cc73fcd43fae377ae870afc13f0f3
SHA1 hash:
485fd62ffa5551a1bf351052be4971e668b51e04
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c49066e3-c819-426b-8f91-5e2345716885/
SH256 hash:
a380482df3aca2aa5d258efa48bb8615191077f34119e214d36f37e35665a178
MD5 hash:
175498f61984ff91a89300205e48ae9a
SHA1 hash:
da71cb8fe8be871fab2abf3b195a243906961bf0
Link:
https://www.unpac.me/results/c49066e3-c819-426b-8f91-5e2345716885/
SH256 hash:
18e3f381f0a9ad36dce7659da7a713e05624e7efce8bdc465fb67cff7189f99b
MD5 hash:
25be001a7f5c660f22d070b4cd0442f4
SHA1 hash:
17ad591c963a1b522dfb09e7c5ecd60f2bcd48cb
Link:
https://www.unpac.me/results/c49066e3-c819-426b-8f91-5e2345716885/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/18e3f381f0a9ad36dce7659da7a713e05624e7efce8bdc465fb67cff7189f99b

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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/126506/

Comments