MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df98e5b50efcf7aedf479030e51ca5b9990fad9f0d20d729bb106198ddee923e. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: df98e5b50efcf7aedf479030e51ca5b9990fad9f0d20d729bb106198ddee923e
SHA3-384 hash: b49ce4fa5f30a266e3eb2938d022e09c161e2a1a9c714bb34b2a94623e2a85af427119d10db4618483e77013971de6b5
SHA1 hash: ea156592bb02777f8873e089acea166364c5ea65
MD5 hash: 19bb6546c825bf116ac5713b8a52c546
humanhash: romeo-texas-lemon-sodium
File name:TELEX RELEASE BL +COO.exe
Download: download sample
Signature RemcosRAT
File size:1'137'664 bytes
First seen:2023-03-17 07:42:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:h5fFA0nE4hnR6aQdLOxd17b9r6hGBGhcS0+YL5mmklrbwh2n3wX6bnf9uB/GjAls:hfxF5QyxdV9g0ljerUggKTHRvF
Threatray 1'696 similar samples on MalwareBazaar
TLSH T1EB3518025FE88E17E5FD17B9F86608D8A6F6D44B5D1BFF0B410128A90D987DE0C9239B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b3b29279bab24969 (2 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
TELEX RELEASE BL +COO.exe
Verdict:
Malicious activity
Analysis date:
2023-03-17 07:52:02 UTC
Tags:
remcos

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

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 828492 Sample: TELEX_RELEASE_BL_+COO.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 7 TELEX_RELEASE_BL_+COO.exe 16 7 2->7         started        12 Ctezvnscve.exe 14 4 2->12         started        14 Ctezvnscve.exe 3 2->14         started        process3 dnsIp4 47 transfer.sh 144.76.136.153, 443, 49692, 49698 HETZNER-ASDE Germany 7->47 37 C:\Users\user\AppData\...\Ctezvnscve.exe, PE32 7->37 dropped 39 C:\Users\...\Ctezvnscve.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\...\TELEX_RELEASE_BL_+COO.exe.log, ASCII 7->41 dropped 57 Encrypted powershell cmdline option found 7->57 59 Writes to foreign memory regions 7->59 61 Allocates memory in foreign processes 7->61 16 aspnet_compiler.exe 3 14 7->16         started        19 powershell.exe 16 7->19         started        63 Multi AV Scanner detection for dropped file 12->63 65 Machine Learning detection for dropped file 12->65 67 Injects a PE file into a foreign processes 12->67 21 powershell.exe 12->21         started        23 aspnet_compiler.exe 12->23         started        25 aspnet_compiler.exe 12->25         started        27 powershell.exe 14->27         started        29 aspnet_compiler.exe 14->29         started        file5 signatures6 process7 dnsIp8 43 obologs.work.gd 185.156.175.35, 34346, 49693 M247GB Romania 16->43 45 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 16->45 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 27->35         started        process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-03-17 01:04:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:34346
Unpacked files
SH256 hash:
df98e5b50efcf7aedf479030e51ca5b9990fad9f0d20d729bb106198ddee923e
MD5 hash:
19bb6546c825bf116ac5713b8a52c546
SHA1 hash:
ea156592bb02777f8873e089acea166364c5ea65
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 df98e5b50efcf7aedf479030e51ca5b9990fad9f0d20d729bb106198ddee923e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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