MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40dc655d06780c3f628f6ec2c3848d797c8ba88dcc50e3397e4e464ec12aaade. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: 40dc655d06780c3f628f6ec2c3848d797c8ba88dcc50e3397e4e464ec12aaade
SHA3-384 hash: a87a4245fba0aa9e87347c745735a1f391a3141bb6bddef3cc953826c5aac3d524bc7d44f29361b0b01bb422966ba96e
SHA1 hash: 25d1851b878f22bc4b8fd27909a24b56a49cb669
MD5 hash: c110b7d722e09fb92c3c5bb96a606ac5
humanhash: utah-west-mountain-oregon
File name:c110b7d7_by_Libranalysis
Download: download sample
Signature RemcosRAT
File size:738'968 bytes
First seen:2021-05-10 10:01:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6b3ae8f7a807e67f6fac520b10e5dbe8 (6 x RemcosRAT, 2 x Formbook, 2 x AgentTesla)
ssdeep 12288:8rnWDrl98a7LUacm7sbiD97T5QM4Pr4r/U/Oy/:8rWnZnUivR71B48r/UD/
Threatray 200 similar samples on MalwareBazaar
TLSH C4F49C21A2C15433D16E1E389D5BB2388C25BF603DE454BA67F47D48AF793913D282EE
Reporter Libranalysis
Tags:RemcosRAT


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA_IN_APRIL_2021._CARGO.CHINA_PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-05-10 09:49:07 UTC
Tags:
installer rat remcos keylogger

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
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
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
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
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409654 Sample: c110b7d7_by_Libranalysis Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 5 other signatures 2->55 6 c110b7d7_by_Libranalysis.exe 1 19 2->6         started        11 Ioqlqx.exe 16 2->11         started        13 Ioqlqx.exe 16 2->13         started        process3 dnsIp4 25 onedrive.live.com 6->25 33 2 other IPs or domains 6->33 23 C:\Users\Public\Ioqlqx\Ioqlqx.exe, PE32 6->23 dropped 57 Writes to foreign memory regions 6->57 59 Creates a thread in another existing process (thread injection) 6->59 61 Injects a PE file into a foreign processes 6->61 15 DpiScaling.exe 2 3 6->15         started        27 onedrive.live.com 11->27 35 2 other IPs or domains 11->35 63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 19 mobsync.exe 11->19         started        29 192.168.2.1 unknown unknown 13->29 31 onedrive.live.com 13->31 37 2 other IPs or domains 13->37 21 dialer.exe 13->21         started        file5 signatures6 process7 dnsIp8 39 newserversforlogs2.ddns.net 31.210.21.231, 49722, 8692 PLUSSERVER-ASN1DE Netherlands 15->39 41 Contains functionalty to change the wallpaper 15->41 43 Contains functionality to steal Chrome passwords or cookies 15->43 45 Contains functionality to inject code into remote processes 15->45 47 3 other signatures 15->47 signatures9
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2021-05-10 10:02:11 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
newserversforlogs2.ddns.net:8692
Unpacked files
SH256 hash:
8f63001a412f92b1e28e17cf0ca84b5d4fa126a661cdae11c5221b7344c26999
MD5 hash:
77fbc4c0b74cf1b87fa3804f3c4c0ff1
SHA1 hash:
721f7b2c9db79c8a34b8ad43f103b22df632d2dc
SH256 hash:
35b074f1596efd75b1ffda892565fdcfc7ab2ff5f76907f94c2f1d104472c754
MD5 hash:
9f08d1258d03f0338fb7ad435bc50de5
SHA1 hash:
13a72b982f86153f8fdeef0a7b2a977c10d25482
SH256 hash:
40dc655d06780c3f628f6ec2c3848d797c8ba88dcc50e3397e4e464ec12aaade
MD5 hash:
c110b7d722e09fb92c3c5bb96a606ac5
SHA1 hash:
25d1851b878f22bc4b8fd27909a24b56a49cb669
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:INDICATOR_KB_CERT_0be3f393d1ef0272aed0e2319c1b5dd0
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MALWARE_Win_DLAgent07
Author:ditekSHen
Description:Detects delf downloader agent

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-10 11:12:21 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
3) [F0002.002] Collection::Polling
5) [C0026.002] Data Micro-objective::XOR::Encode Data
7) [C0051] File System Micro-objective::Read File
8) [C0052] File System Micro-objective::Writes File
9) [C0007] Memory Micro-objective::Allocate Memory
10) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
11) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
12) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
13) [C0038] Process Micro-objective::Create Thread
14) [C0041] Process Micro-objective::Set Thread Local Storage Value
15) [C0018] Process Micro-objective::Terminate Process