MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc. 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 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc
SHA3-384 hash: 6318d9d638c98a0389ba8c10162b1268aaf6d81f34e3fbcb520c6c06e3cdd37672c3d83ec4a45878c8a1044e6fc6d73e
SHA1 hash: e2c448850db1f81551edb0384e80fd3da3fa36e6
MD5 hash: 1555406e540b00f8fad36b5cf9b1417b
humanhash: two-wyoming-charlie-asparagus
File name:a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:860'600 bytes
First seen:2021-09-14 10:46:40 UTC
Last seen:2021-09-15 06:54:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ff77f39ae1ec37d413fa1e15e4c4ad3 (3 x RemcosRAT, 2 x NetWire, 1 x BitRAT)
ssdeep 12288:rz9igLiYnwThUprpw7/+mxgL5xUpWFvGwEcY8jAbfDuD7K:rEAiZUprpw73KSMV//if6nK
Threatray 1'422 similar samples on MalwareBazaar
TLSH T1B5055D9729904A75F02F3838FCD5B59429357DF0BA1CC94E0B99FA6B0B30798A5D701B
dhash icon 274e4d3305010141 (7 x RemcosRAT, 2 x NetWire, 2 x Formbook)
Reporter JAMESWT_WT
Tags:Afia Wave Enterprises Oy exe RemcosRAT signed

Code Signing Certificate

Organisation:Afia Wave Enterprises Oy
Issuer:Sectigo Public Code Signing CA R36
Algorithm:sha384WithRSAEncryption
Valid from:2021-07-08T00:00:00Z
Valid to:2022-07-08T23:59:59Z
Serial number: 69ad1e8b5941c93d5017b7c3fdb8e7b6
Intelligence: 53 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 999bbf99f3b3c1a894340918d8f2c6a358e7ec6299bab5d8fd6b9e7570abf929
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc
Verdict:
Malicious activity
Analysis date:
2021-09-14 10:48:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e9de09e3-7829-4e64-a13a-91539650d3c6

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/187787/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.generic.ml.23273.3629.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm keylogger overlay packed
Link:
https://www.filescan.io/uploads/61750e699a5a1e91c5d2011a/reports/5b6b3b01-37b6-412a-83a5-477b834f5e6f/overview
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/181f6a13-baf6-463c-b6e0-ab7922ef7bf8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850595
Signature
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
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
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 483022 Sample: cyIPy9Gfui Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 32 sinzu7.camdvr.org 2->32 34 sinzu6.camdvr.org 2->34 36 4 other IPs or domains 2->36 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Detected Remcos RAT 2->62 64 3 other signatures 2->64 7 cyIPy9Gfui.exe 1 17 2->7         started        12 Mvvzudbe.exe 14 2->12         started        14 Mvvzudbe.exe 17 2->14         started        signatures3 process4 dnsIp5 38 192.168.2.1 unknown unknown 7->38 40 onedrive.live.com 7->40 46 2 other IPs or domains 7->46 24 C:\Users\Public\Libraries\Mvvzudbe.exe, PE32 7->24 dropped 66 Writes to foreign memory regions 7->66 68 Creates a thread in another existing process (thread injection) 7->68 70 Injects a PE file into a foreign processes 7->70 16 mshta.exe 2 2 7->16         started        42 onedrive.live.com 12->42 48 2 other IPs or domains 12->48 72 Multi AV Scanner detection for dropped file 12->72 20 ieinstal.exe 12->20         started        44 onedrive.live.com 14->44 50 2 other IPs or domains 14->50 22 DpiScaling.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 sinzu5.giize.com 185.157.161.92, 2404, 49752, 49753 OBE-EUROPEObenetworkEuropeSE Sweden 16->26 28 sinzu7.camdvr.org 16->28 30 5 other IPs or domains 16->30 52 Contains functionality to inject code into remote processes 16->52 54 Contains functionality to steal Firefox passwords or cookies 16->54 56 Delayed program exit found 16->56 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-14 01:17:00 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
23 of 45 (51.11%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uplvdqcvj4wtnlswtb5n5stptohxsu72wssscswzcouqeh7bnd6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04f483018f53c35976cfd9c4b5191279761a351b3e135a70ae9c5c2b53be154b
RemcosRAT
15851690d3cb99d95e82bb47d3f31db71688c69dd50b0a8367e97aa3b501b637
RemcosRAT
204806f363e25b8caab19fade1152cbdef6d19a2ee0f122ce2a2aa3949154f1d
RemcosRAT
62960caf3d007638be89631e502733f30c42a9ba0269e8c00457c9dec10e9136
RemcosRAT
6a96d22dec9171b154bb1a94c68fa02dda51713709dad161681a759f64cc3014
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3
RemcosRAT
b0f43b627353f91afa5e4a9c5eea655f5375e497933a6e37c3c0f8a5a29a2889
RemcosRAT
b9384216a5aea20cd398e51c6549bb84d6b252f3fde114010e3cc0c60b1e2b13
RemcosRAT
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028
RemcosRAT
+ 1'412 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/210914-mvjexaaegl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
sinzu1.camdvr.org:2404
sinzu2.camdvr.org:2404
sinzu3.kozow.com:2404
sinzu4.ddnsgeek.com:2404
sinzu5.giize.com:2404
sinzu6.camdvr.org:2404
sinzu7.camdvr.org:2404
Unpacked files
SH256 hash:
519197f521aa39b7a7ab34b4500a304a7329d967115c2e48fe1b6eb201e39af1
MD5 hash:
3da921c9355d01d335cf03159a950030
SHA1 hash:
3be3f4ea8f289a123dcd1f6ac97c6f34a503c9cf
Link:
https://www.unpac.me/results/ae71c134-583b-48b2-b295-10f4efcb3650/
SH256 hash:
a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc
MD5 hash:
1555406e540b00f8fad36b5cf9b1417b
SHA1 hash:
e2c448850db1f81551edb0384e80fd3da3fa36e6
Link:
https://www.unpac.me/results/ae71c134-583b-48b2-b295-10f4efcb3650/
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/a3d751c0554f2d36ae56987adeca6f9b8f7953fab4a5214ad913a9021fe168fc

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

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/187787/

Comments