MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf0cc4fd655e77d8b634ad0f7de607e8bda88034910511e120dafc86d96fd8df. 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 6 File information Comments

SHA256 hash: bf0cc4fd655e77d8b634ad0f7de607e8bda88034910511e120dafc86d96fd8df
SHA3-384 hash: 0dd4647b1f3abc0e394a6aff78d2d7723eaea54e4e2d3a176d5cc018904c6225fc86e6aa2bf0f128b90df1e6ecd54ca6
SHA1 hash: b8b473aa7cefe46e934bde3a5c89f7f96f197ed1
MD5 hash: 90d18e14ba0ddee3dd22598c8435c109
humanhash: california-glucose-sierra-delaware
File name:RFQ_EW14416 des neuen Auftrags,pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'089'536 bytes
First seen:2021-08-20 11:52:13 UTC
Last seen:2021-08-20 13:08:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61da5f388fb525c6541a6c21304d4040 (3 x RemcosRAT)
ssdeep 12288:VnCFpZeB7uGHKKaWU8drn/1iNyhpyv0oM+6yRXOuDvrq8EU0th6gG1t:VnWpBGHK4Um1dXq0oXec959n
Threatray 34 similar samples on MalwareBazaar
TLSH T19A358F31F2921837D6232539DD5BE7AA5B39EE40292CBDC62FA51C5C9F353803826367
dhash icon 8aa2b6b2aaaad4d4 (3 x RemcosRAT, 2 x ModiLoader, 1 x Loki)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_EW14416 des neuen Auftrags,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 11:55:14 UTC
Tags:
rat remcos trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Delayed writing of the file
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Connection attempt to an infection source
Sending a UDP request
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
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
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
Detected Remcos RAT
Found malware configuration
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-08-20 11:53:12 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Unpacked files
SH256 hash:
795b2b5d6668147d7924ac96f90741ddc2a2b5003f455fb842b613a286fbf8fc
MD5 hash:
53011b69a7231aea23d66805a681144b
SHA1 hash:
e3d0d157e763c865e79ccc5bedc2fd5fd90413f7
SH256 hash:
bf0cc4fd655e77d8b634ad0f7de607e8bda88034910511e120dafc86d96fd8df
MD5 hash:
90d18e14ba0ddee3dd22598c8435c109
SHA1 hash:
b8b473aa7cefe46e934bde3a5c89f7f96f197ed1
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

Malspam

RemcosRAT

Executable exe bf0cc4fd655e77d8b634ad0f7de607e8bda88034910511e120dafc86d96fd8df

(this sample)

  
Delivery method
Distributed via e-mail attachment

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