MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277
SHA3-384 hash: e71f877ca9b50b187fb9effc7178f284c25e9881295db4c3d8f3550eff82b626572a7c942deaebe8406e66106efe8f9b
SHA1 hash: aea7fa157e61456e7bbb789a8b53dbd13c1d688b
MD5 hash: 6d917ad4a5feea6d7f713fddbea10416
humanhash: washington-thirteen-lima-uniform
File name:da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'316'864 bytes
First seen:2023-02-27 09:03:25 UTC
Last seen:2023-02-27 10:49:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:LB18+++CerQ8p3emQy8BXAcTu1FeMJcJEp5BTADZ1NqxMnmWy7IL:35Cert98y8BXAcKuJSB0Dn4
Threatray 1'660 similar samples on MalwareBazaar
TLSH T15D55CF9977B4A473F48B01FE683927CD2D6035537609E22FA777BB91A2709FB7284201
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00704cd4d4cc6000 (6 x AgentTesla, 3 x SnakeKeylogger, 2 x Loki)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277
Verdict:
Malicious activity
Analysis date:
2023-02-27 09:25:29 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/a671a524-18c3-4fb6-9b5a-5aa77e9e7875

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/370044/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63fc721181c7f31327fa388e/reports/336e062e-615b-4a8d-87d9-7dbe24a178a9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/807a0924-7504-45b2-a788-e7db7206e3e1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1184091
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 816990 Sample: C9rZkLbp3u.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 45 richardskoug34.ddns.net 2->45 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 7 other signatures 2->63 9 C9rZkLbp3u.exe 3 2->9         started        13 ros.exe 2 2->13         started        15 ros.exe 2 2->15         started        17 ros.exe 2 2->17         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\C9rZkLbp3u.exe.log, ASCII 9->41 dropped 67 Contains functionality to bypass UAC (CMSTPLUA) 9->67 69 Contains functionality to steal Chrome passwords or cookies 9->69 71 Contains functionality to steal Firefox passwords or cookies 9->71 73 Delayed program exit found 9->73 19 C9rZkLbp3u.exe 2 3 9->19         started        75 Injects a PE file into a foreign processes 13->75 22 ros.exe 13->22         started        26 ros.exe 15->26         started        28 ros.exe 17->28         started        signatures6 process7 dnsIp8 37 C:\Users\user\AppData\Roaming\ros.exe, PE32 19->37 dropped 39 C:\Users\user\...\ros.exe:Zone.Identifier, ASCII 19->39 dropped 30 ros.exe 3 19->30         started        47 richardskoug34.ddns.net 22->47 49 192.168.2.1 unknown unknown 22->49 65 Installs a global keyboard hook 22->65 51 richardskoug34.ddns.net 26->51 53 richardskoug34.ddns.net 28->53 file9 signatures10 process11 signatures12 77 Multi AV Scanner detection for dropped file 30->77 79 Machine Learning detection for dropped file 30->79 81 Injects a PE file into a foreign processes 30->81 33 ros.exe 2 1 30->33         started        process13 dnsIp14 43 richardskoug34.ddns.net 33->43 55 Installs a global keyboard hook 33->55 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-21 05:51:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jkhotxkerq6scghij3w7p2fwh6vusj2qr7ck4twflim23z4qj3q._file
Verdict:
malicious
Similar samples:
032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
RemcosRAT
221784974f49f2b54c90c63ce6cf9550d94b15c3442c29c959300dbbf5b91f61
RemcosRAT
5ca676b334d8a3f4542877a696a7092b29dbdeddabcd70af2a80e5c8384a75b6
RemcosRAT
631e26376c6eec5070da9a40c576e0aa99fdc91cc53d0e0ee96d68b8cf3f97e6
RemcosRAT
76005c1982c2d4df1995d8ba0e2163ac84b5009823466b9e043a5a017e15c9cd
RemcosRAT
a06b22bc855434e422e2361ed4e07e88c5958b5bebecc34020c3c011b0ce03b2
RemcosRAT
a4da37e92ca54c8851ad144fba875b61e2018f69bbe43b11926d8f8d831b56f0
RemcosRAT
+ 1'650 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:wazy-host 2023 persistence rat
Link:
https://tria.ge/reports/230227-k1l2wacg47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
richardskoug34.ddns.net:7665
Unpacked files
SH256 hash:
41868746a19c7356571ead9d7a0d0e474d6ab15aa52e51380e9a0cbd8eaf1ee6
MD5 hash:
4d736f7f62e7c413e33d17ec42de898e
SHA1 hash:
f022fa8e36e7115df3b829623c7bf953152ea36c
Link:
https://www.unpac.me/results/1c69b66b-4527-4a73-a488-16145afb66e1/
SH256 hash:
ce7ea85a653ab7254c7807d9c17de419c708075b663649f30aeeac650f3ac430
MD5 hash:
554942b35f504cd6c89f8373f973cc97
SHA1 hash:
65a6ed1879e49ddffc7a5d20f0348b7908a723d8
Link:
https://www.unpac.me/results/1c69b66b-4527-4a73-a488-16145afb66e1/
SH256 hash:
15affadbd57e609f1fb002554e3d26f9e364007034b5c481d1a8d3998318fca2
MD5 hash:
818b480ae76f761505ba4eb2039b0367
SHA1 hash:
5fbb448785d7c74dc158fa07d4f73c33fd821422
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/1c69b66b-4527-4a73-a488-16145afb66e1/
Parent samples :
a06b22bc855434e422e2361ed4e07e88c5958b5bebecc34020c3c011b0ce03b2
8f35ae02b5ba88554c9d41fb1cd9aaa916a8136fa8d442dcc894ac46f593d7c0
da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277
SH256 hash:
8f0c7e3047346b8d6477ff6d4639fd6157602c7ebc840f3432b99263f1cb415c
MD5 hash:
e5b073b30db1b058298f5df032164e4d
SHA1 hash:
15d3ada4e7ac01b766615b9b66785e7e2ae9b0ca
Link:
https://www.unpac.me/results/1c69b66b-4527-4a73-a488-16145afb66e1/
SH256 hash:
febd5aecda58f43ec76dc2c88af75afc01fb191a6a8f8848aad1a68e3b55b5f3
MD5 hash:
eae360bede736b1f8871d10383e14fe8
SHA1 hash:
0b46ba6c937ceb971a4b49bdbb24b1b56e840398
Link:
https://www.unpac.me/results/1c69b66b-4527-4a73-a488-16145afb66e1/
SH256 hash:
da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277
MD5 hash:
6d917ad4a5feea6d7f713fddbea10416
SHA1 hash:
aea7fa157e61456e7bbb789a8b53dbd13c1d688b
Link:
https://www.unpac.me/results/1c69b66b-4527-4a73-a488-16145afb66e1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da54774eea24/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe da54774eea2461e908c742776fbf45b1fd5a493a847e2572762ad0cd6f3c8277

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/370044/

Comments