MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743
SHA3-384 hash: be79f505e33dfcb92b328ccea2e7534003ede492ff68d9401ddb57beb96506feedc7fcbc7dc11998480021dbda075b24
SHA1 hash: 2f2a65843556d39752e4d1d762a9a06aa5ab858c
MD5 hash: b487f37c840351981e5e6b77742a3433
humanhash: sierra-eleven-island-nevada
File name:Swift Copy.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:525'653 bytes
First seen:2022-10-21 20:32:04 UTC
Last seen:2022-10-24 19:08:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:mb/1dU3WO1y8+7CUErBO5woYl7yXYC3KL7UyxmZo2P:mb/1632CNNdtC3mEP
Threatray 2'043 similar samples on MalwareBazaar
TLSH T1F9B4236BB7B5D16BCCB300B629321B5BDF6B981220609B4B87416E2D3D53D32C61F663
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Swift Copy.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 20:34:32 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/d29043e9-6331-4386-b7a6-7442c3e16ea9

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/322402/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.62994132.5958.2970.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP GET request
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/44212/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/635301fe455bf4ac5c71725b/reports/ca4912ae-c5d9-4059-ab0d-1de06bc0f15c/overview
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/46b1d5c8-60ce-4036-8644-837aa3e19582
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1095166
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727807 Sample: Swift Copy.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for dropped file 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 5 other signatures 2->72 7 Swift Copy.exe 18 2->7         started        10 facfueksd.exe 3 2->10         started        13 facfueksd.exe 2 2->13         started        process3 file4 42 C:\Users\user\AppData\Local\...\fzkvqfets.exe, PE32 7->42 dropped 15 fzkvqfets.exe 1 4 7->15         started        44 C:\Users\user\AppData\Local\Temp\82F8.tmp, PE32 10->44 dropped 46 C:\Users\user\AppData\Local\Temp\779C.tmp, PE32 10->46 dropped 74 Multi AV Scanner detection for dropped file 10->74 76 Machine Learning detection for dropped file 10->76 78 Contains functionality to steal Chrome passwords or cookies 10->78 82 3 other signatures 10->82 19 MpCmdRun.exe 1 10->19         started        21 WerFault.exe 10 10->21         started        23 conhost.exe 10->23         started        31 2 other processes 10->31 48 C:\Users\user\AppData\Local\Temp\92A6.tmp, PE32 13->48 dropped 80 Maps a DLL or memory area into another process 13->80 25 WerFault.exe 10 13->25         started        27 conhost.exe 13->27         started        29 facfueksd.exe 13->29         started        signatures5 process6 file7 50 C:\Users\user\AppData\...\facfueksd.exe, PE32 15->50 dropped 52 C:\Users\user\AppData\Local\Temp\C767.tmp, PE32 15->52 dropped 58 Multi AV Scanner detection for dropped file 15->58 60 Machine Learning detection for dropped file 15->60 62 Contains functionality to steal Chrome passwords or cookies 15->62 64 4 other signatures 15->64 33 fzkvqfets.exe 2 13 15->33         started        36 WerFault.exe 23 9 15->36         started        38 conhost.exe 15->38         started        40 conhost.exe 19->40         started        signatures8 process9 dnsIp10 54 41.216.183.226, 41900, 49691 AS40676US South Africa 33->54 56 geoplugin.net 178.237.33.50, 49692, 80 ATOM86-ASATOM86NL Netherlands 33->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 15:53:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvzraxclm6x7yaso5qfwjrhuylzop5jngg265qcz23mny3ykg5bq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9
RemcosRAT
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
80443f2c84c8a76f98bbfe9e84cfe4a006b2b77b99eb94b0aa3b070197bb58d7
RemcosRAT
8c2653e4d9998668579383d87f291afe6ba5740ec3bc6d8f44618c0f9af77189
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
bf9b6173d2867c122cabed33c022cc71fa6a5bdf9be0fd09af88a9dde5ccac36
RemcosRAT
+ 2'033 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/221021-zbbl6sedg2/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0b7efe64-6d73-4c0d-907c-f26c05eff93d
Unpacked files
SH256 hash:
4605ace9a409ba72bd4b6765141a873c1a5cc7fa64e0af88a4536d7cc79ae643
MD5 hash:
589f154a8072e218e1ec98dce3fc1fac
SHA1 hash:
86a106b59c91dba3d25a3db9797d636d19de18bf
Link:
https://www.unpac.me/results/489688e2-6d9b-4eb7-96fc-f4650d208b1c/
SH256 hash:
b004491771d05dc604c8f1a7b169673e9b7a7f33c4833bcfa50c5e76b8c9a1d8
MD5 hash:
b30ad3ec69c35a44bd720e88e07e283e
SHA1 hash:
52a834e399eb4fcac0a4bc0b1f53634da776aecf
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/489688e2-6d9b-4eb7-96fc-f4650d208b1c/
Parent samples :
8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743
0de500897b8ed984575c14906255f694bee3fdade7cc369f7c0a51185ec61ba0
76bf90f97131f4b187fbdfce5a1f02224e30a752782cbcd7f9a5d90a043de128
dae79c591e41fac5133e80652d94e8c1cc42e62381a38f2dc11c42360547afe7
f6d04e26f4e1ccafc73107d102606ed5e528fcb2e6451f568241b840152454ee
ac2022d039991daaa6b3f05a7d2324b55247446b4f0b20f0feb36d22fd21d428
522de9141cf7d1449c48f439b23bbc53be3de244e1baf817759b64eedfe5ae00
f9dbb342e635717b55ef19c20e7943858acf892e6040a9a4f3609eaa41981bc9
284749a242c7dcee6d5f8d71bb4de12ccbc7f7acc24a8fb795859b0393f23577
SH256 hash:
8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743
MD5 hash:
b487f37c840351981e5e6b77742a3433
SHA1 hash:
2f2a65843556d39752e4d1d762a9a06aa5ab858c
Link:
https://www.unpac.me/results/489688e2-6d9b-4eb7-96fc-f4650d208b1c/
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/8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743

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: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_variants
Create hunting rule
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.

Malspam

RemcosRAT

Executable exe 8573105c4b67affc024eec0b64c4f4c2f2e7f52d31b5eec059d6d8dc6f0a3743

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322402/

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