MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adbc3dc51f95c015745ba340922b17b59d4528b206871c158f7b6f453f8af972. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: adbc3dc51f95c015745ba340922b17b59d4528b206871c158f7b6f453f8af972
SHA3-384 hash: b6eeea0ff8f924b6488d6938c745ef17f68eab8561d74b5fa91b20b6ec8944b3ee00b3ff779ab9150b16748026b00aee
SHA1 hash: ee357fbd6c1c03a6d3597a9fc283ecf6a9e5ea1b
MD5 hash: 22196267d54c4685ae99add9eae72c85
humanhash: queen-sweet-skylark-timing
File name:Cobro Juridico_05579370286563_03394107_8493307707954183112988_2837990089_4928917099750693932_71676575_673532931113_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:244'736 bytes
First seen:2020-07-29 06:34:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:rUjzpJVOZh/3GEpYW0gxI+XlVKA9l9Eki:rMpJUH+EqWyA9vEF
Threatray 784 similar samples on MalwareBazaar
TLSH 9234027033B94B55C7534BB8A03AC026293D53C2FE4DC59E1527AA0AADF638743D3B96
Reporter abuse_ch
Tags:exe Outlook RemcosRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: NAM04-SN1-obe.outbound.protection.outlook.com
Sending IP: 40.92.11.61
From: Nelly Moscoso Martinez <pao-alejo-sebas@hotmail.com>
Subject: COBRO JURIDICO SERFINANZA.
Attachment: Cobro Juridico_05579370286563_03394107_8493307707954183112988_2837990089_4928917099750693932_7167657 (contains "Cobro Juridico_05579370286563_03394107_8493307707954183112988_2837990089_4928917099750693932_71676575_673532931113_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34236/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401333
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252896 Sample: 1113_pdf.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 43 recuperaciondecartera.website 2->43 45 g.msn.com 2->45 47 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->47 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 6 other signatures 2->57 11 1113_pdf.exe 2 2->11         started        14 PXServiceNet.exe 2 2->14         started        16 PXServiceNet.exe 2 2->16         started        18 wuapihost.exe 2->18         started        signatures3 process4 signatures5 59 Contains functionality to steal Chrome passwords or cookies 11->59 61 Contains functionality to capture and log keystrokes 11->61 63 Contains functionality to inject code into remote processes 11->63 65 2 other signatures 11->65 20 1113_pdf.exe 4 5 11->20         started        23 PXServiceNet.exe 14->23         started        25 PXServiceNet.exe 16->25         started        process6 file7 39 C:\Users\user\AppData\...\PXServiceNet.exe, PE32 20->39 dropped 41 C:\Users\...\PXServiceNet.exe:Zone.Identifier, ASCII 20->41 dropped 27 wscript.exe 1 20->27         started        process8 process9 29 cmd.exe 1 27->29         started        process10 31 PXServiceNet.exe 2 29->31         started        34 conhost.exe 29->34         started        signatures11 67 Antivirus detection for dropped file 31->67 69 Multi AV Scanner detection for dropped file 31->69 71 Contains functionality to steal Chrome passwords or cookies 31->71 73 3 other signatures 31->73 36 PXServiceNet.exe 2 4 31->36         started        process12 dnsIp13 49 recuperaciondecartera.website 186.169.59.162, 49731, 49732, 49734 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 36->49
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/adbc3dc51f95c015745ba340922b17b59d4528b206871c158f7b6f453f8af972/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 06:36:08 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vw6d3ri7sxabk5c3unajekyxwwoukkfsa2dryfmppnxukp4k7fza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
13eaaf168207a5014c105532b6a23805fc6db28f73908914a4583979173cc254
RemcosRAT
2f07a5d8c1e6ac465e5d306b0fb8335aa41f3204b9bf9793337a849a93921a9a
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314d26bc5fe146f5040c40b8c5b889e6e90cb0b22ec694564c1182d49c3bf950
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397545efcbf53bebabdb003bbe9f8b619b7ffdd5383c21ecd9e99c6de3e3cd83
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3bdfaf82d5d56f2546be44b3355f8d72cc0508984586e0fba3d704a5adabf7d1
RemcosRAT
64ba0f4265f9ed3f3f9315ee0256b360827074d5f898a7eb07ed98dd5f7fec7e
RemcosRAT
970ffc480d61b37737f34ddf738e257a99162cce8338f7c59fdd4ab995ae9dfc
RemcosRAT
b3ae13e392ebe3eec95949395786577344472af7588ed1db4577c597a417e8a4
RemcosRAT
c8c1e04edd5c422d065e27a3a73931d373de200419cd9ba649fdfadee686e5f2
RemcosRAT
d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
RemcosRAT
+ 774 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200729-pcydrfmr42/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
recuperaciondecartera.website:6790
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/adbc3dc51f95c015745ba340922b17b59d4528b206871c158f7b6f453f8af972

File information

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

Malspam

RemcosRAT

rar 1c5b83c0fb8f08951933a43891fb91a3a1683a7860e75ca909f1ad257cea8ad6

RemcosRAT

Executable exe adbc3dc51f95c015745ba340922b17b59d4528b206871c158f7b6f453f8af972

(this sample)

  
Dropped by
MD5 3b80212baa72cf0043f223fecc0f3f7f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34236/
  
Dropped by
SHA256 1c5b83c0fb8f08951933a43891fb91a3a1683a7860e75ca909f1ad257cea8ad6

Comments