MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808
SHA3-384 hash: ee4fdae7ab8626261b5a1da2f2dc4acc8429fe0753e9394ef0c36ad4914c3e592534ab50f9cf62b14796218f50075785
SHA1 hash: 43ec6bdcfe3ba47ffdf9dd02a43c62e8f09098bc
MD5 hash: 2b6d93b6e4f046bac4be9eceb782373c
humanhash: whiskey-lemon-skylark-georgia
File name:IMAGEDDOC0559DOC030273YALUMINUMPROFIL3554EQUA.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:771'584 bytes
First seen:2023-01-03 10:45:18 UTC
Last seen:2023-01-07 11:53:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2adfde718598bfd543a7f041f1f17b63 (1 x RemcosRAT)
ssdeep 12288:NRF268BfCbyuSwcLzXr0cyRmRxWWFPAQMIY5GCIdXKh1uFNuv:fE7CbR9cvoRoxdasY9qQuHuv
Threatray 19'886 similar samples on MalwareBazaar
TLSH T103F49E32F5B19472C8171179AC1B8AA4682ABD103878BC5FB9F5395C4B36787382B397
TrID 30.2% (.SCR) Windows screen saver (13097/50/3)
24.3% (.EXE) Win64 Executable (generic) (10523/12/4)
11.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.EXE) Win32 Executable (generic) (4505/5/1)
4.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 2aeaa2b2323a2e8e (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
91.192.100.23:2404

Intelligence

File Origin
# of uploads :
3
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
IMAGEDDOC0559DOC030273YALUMINUMPROFIL3554EQUA.exe
Verdict:
Malicious activity
Analysis date:
2023-01-03 10:46:17 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/3026cf6e-d132-423f-b45b-7afa03cc5317

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.18893.11488.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger remcos
Link:
https://www.filescan.io/uploads/63b4076bb9b1c173752044e6/reports/db01a9c5-4b74-4eef-9b25-879db92a1394/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/063de52c-b3a7-4aed-a3e1-92ba5b4b54f4
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1144491
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 777221 Sample: IMAGEDDOC0559DOC030273YALUM... Startdate: 03/01/2023 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic 2->29 31 Multi AV Scanner detection for domain / URL 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 8 other signatures 2->35 6 IMAGEDDOC0559DOC030273YALUMINUMPROFIL3554EQUA.exe 1 17 2->6         started        11 Rycjihvp.exe 12 2->11         started        process3 dnsIp4 23 strassenburgpharma.biz 85.187.132.177, 443, 49697 A2HOSTINGUS United States 6->23 19 C:\Users\Public\Libraries\Rycjihvp.exe, PE32 6->19 dropped 21 C:\Users\...\Rycjihvp.exe:Zone.Identifier, ASCII 6->21 dropped 37 Writes to foreign memory regions 6->37 39 Allocates memory in foreign processes 6->39 41 Creates a thread in another existing process (thread injection) 6->41 43 Injects a PE file into a foreign processes 6->43 13 iexpress.exe 2 17 6->13         started        45 Antivirus detection for dropped file 11->45 17 iexpress.exe 11->17         started        file5 signatures6 process7 dnsIp8 25 www.supremeswitchgear.com 91.192.100.23, 2404, 49700 AS-SOFTPLUSCH Switzerland 13->25 27 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 13->27 47 Contains functionality to steal Chrome passwords or cookies 13->47 49 Contains functionality to register a low level keyboard hook 13->49 51 Contains functionality to steal Firefox passwords or cookies 13->51 53 Delayed program exit found 13->53 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-01-03 10:46:08 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulf7ocvt5pw5fr3iqfszn6w6r2kndxinmasqagwftjyymdsfxaea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
20bf869fc73b023d7e54dc6a44ff186e938ba99f29798739e16d21fbeb9b6aca
RemcosRAT
4a8195f159274fb6b2edf61864824e9c686398ce60df94d23fabb21c48d57499
RemcosRAT
68ab94c0010fc774ac9a19516648b177ab8762311e9a30f0beb49409b752dd78
RemcosRAT
9063dd7d69236cca3007587ccc04334b4289ec456f6983673f3d9f749092a29c
RemcosRAT
9735527911fe79127bb4cac6cab68bb6e3da29592921e1cfbfcd496245aeb74f
RemcosRAT
a54b78279717d2eb6b13e183e0f69e89a023a8b945dfe47e29819f526037548b
RemcosRAT
e7f968d64655db242cdc6330cf399c3b5e635b63b2ba734d5e2c2eee5986e9be
RemcosRAT
f4b15c4c1ad3c5de9ded9964ee4313a5fd3023f222d98a2ea287727dcea19732
RemcosRAT
+ 19'876 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:suprem-switch persistence rat trojan
Link:
https://tria.ge/reports/230103-mtys7sed5z/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.supremeswitchgear.com:2404
Unpacked files
SH256 hash:
a4a9c6bafc628c4afe74e3a1dec178e08056b6783c45e398e3d098fea8b628f5
MD5 hash:
ca833f63939de733760e16daaf51cf7b
SHA1 hash:
e6990e85b4537cc818bb6c253c4c3ac1c236c177
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/26e2782c-7662-4da3-b1a1-fbc9c24cfc3a/
Parent samples :
a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808
a6bd6f6c23b375063b8890c1e40e2cdc09f09355a19d9e783cdb25cdefb79766
SH256 hash:
a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808
MD5 hash:
2b6d93b6e4f046bac4be9eceb782373c
SHA1 hash:
43ec6bdcfe3ba47ffdf9dd02a43c62e8f09098bc
Link:
https://www.unpac.me/results/26e2782c-7662-4da3-b1a1-fbc9c24cfc3a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2cbf70ab3eb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Comments