MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3. 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 10 File information Comments
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SHA256 hash: 64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3
SHA3-384 hash: d021aa40751944d17a06e5e2a62e79a84c7872e8af2e13226c92c3f4d5b10e1163c47d4707be671d730e08b886cc5a54
SHA1 hash: 86de7e9b35afb3726a925b1a1b7bd00c81c2f6a9
MD5 hash: 27a9e4f59f0735c1cd5b6fec688fe6f4
humanhash: double-london-alabama-romeo
File name:TNT Receipt_AWB no#87993766478,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:732'672 bytes
First seen:2021-10-29 05:08:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2olPlJt7LAGjrBSoMpGU0qStuVVzudkDNzqqYRn7UUa5xc3ADQ:Jt7LAGJSkqSkVVzuuFynO5YADQ
TLSH T1DAF4E62C7B914A72FF4EC23669010A24BB6B0F536E80AAF11FDF19C6979F4771C44989
File icon (PE):PE icon
dhash icon 4db292f2d88cb40b (15 x RemcosRAT, 13 x AgentTesla, 7 x NanoCore)
Reporter abuse_ch
Tags:exe RAT RemcosRAT TNT

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.1718.9991.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Forced shutdown of a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c34e677-abab-43bb-b0f0-928d8e47fd3b
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879008
Signature
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Tries to delay execution (extensive OutputDebugStringW loop)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 511442 Sample: TNT#U00a0Receipt_AWB#U00a0n... Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 45 tajelisalamat.duckdns.org 2->45 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 6 other signatures 2->57 8 TNT#U00a0Receipt_AWB#U00a0no#87993766478,pdf.exe 4 2->8         started        11 fkvd.exe 3 2->11         started        signatures3 process4 dnsIp5 59 Writes to foreign memory regions 8->59 61 Tries to delay execution (extensive OutputDebugStringW loop) 8->61 63 Injects a PE file into a foreign processes 8->63 65 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->65 14 vbc.exe 2 2 8->14         started        18 cmd.exe 3 8->18         started        21 cmd.exe 1 8->21         started        47 192.168.2.1 unknown unknown 11->47 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 23 cmd.exe 1 11->23         started        25 cmd.exe 1 11->25         started        27 vbc.exe 11->27         started        signatures6 process7 dnsIp8 49 tajelisalamat.duckdns.org 194.147.140.26, 3936 PTPEU unknown 14->49 71 Contains functionality to steal Chrome passwords or cookies 14->71 73 Contains functionality to inject code into remote processes 14->73 75 Contains functionality to steal Firefox passwords or cookies 14->75 79 2 other signatures 14->79 41 C:\Users\user\AppData\Roaming\fkvd\fkvd.exe, PE32 18->41 dropped 43 C:\Users\user\...\fkvd.exe:Zone.Identifier, ASCII 18->43 dropped 29 conhost.exe 18->29         started        77 Uses schtasks.exe or at.exe to add and modify task schedules 21->77 31 conhost.exe 21->31         started        33 schtasks.exe 1 21->33         started        35 conhost.exe 23->35         started        37 schtasks.exe 1 23->37         started        39 conhost.exe 25->39         started        file9 signatures10 process11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
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Status:
Malicious
First seen:
2021-10-29 00:58:06 UTC
AV detection:
13 of 44 (29.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtt2jw5nk7y4ef5bpllcctjjemfmroubhuab7wvdl4l73a7wftzq._file
Verdict:
malicious
Label(s):
remcos
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Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos rat suricata
Link:
https://tria.ge/reports/211029-fs459shcgk/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Executes dropped EXE
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Unpacked files
SH256 hash:
d1cc5edadb57a11a686c996f3fce1d6e9803c80e1e134f73dd49689f0211cb0f
MD5 hash:
2cb330315097cc0c7affcc6467842ff8
SHA1 hash:
a4fe8ff8b6092d8e30adbf14628962c4f3c910df
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/28564fca-2b4a-4f11-986a-96bf593037c0/
Parent samples :
64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3
72847c227cc515780506407bf4061ed21267b9b18bbd9c5373adfea28a1c15a4
089e14466560c0651e5e0a60bef8eb06afcf663359e3aa669710049ba441e677
SH256 hash:
64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3
MD5 hash:
27a9e4f59f0735c1cd5b6fec688fe6f4
SHA1 hash:
86de7e9b35afb3726a925b1a1b7bd00c81c2f6a9
Link:
https://www.unpac.me/results/28564fca-2b4a-4f11-986a-96bf593037c0/
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/64e7a4dbad57/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/64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3

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
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Author:abuse.ch
Rule name:INDICATOR_EXE_Packed_dotNetProtector
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Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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
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 64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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