MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610
SHA3-384 hash: a4ef7cca29f1732723232ef9859fc1225af045360eef92dc58b90c113c4db54a7f6d7ad62c88fd504f9e3a572d336344
SHA1 hash: 0eb99a4d2efd18baa42d714e4048288ada872379
MD5 hash: 22aa113bd87bc6428b7b05955bb4f6aa
humanhash: low-oxygen-single-mango
File name:22aa113bd87bc6428b7b05955bb4f6aa.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:759'810 bytes
First seen:2021-04-05 12:56:28 UTC
Last seen:2021-04-05 14:22:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b4e23e70c7b7b0ca71e039cd4bcce49c (1 x RemcosRAT, 1 x Formbook)
ssdeep 12288:wpEkAPyDafJz/0jbepCiCXCGUwkPbBE5vm+ZUR3U/OyVGjjjjjjjjjjjjjjjjjjd:wp9APpzoefCSsl5vmCUR3UDV+
Threatray 152 similar samples on MalwareBazaar
TLSH 29F49E1371C0C47BC91E25BA5E07B294A565FC694ED8A4593FE93F191FB82823C3628F
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
22aa113bd87bc6428b7b05955bb4f6aa.exe
Verdict:
Malicious activity
Analysis date:
2021-04-05 13:02:43 UTC
Tags:
installer rat remcos
Link:
https://app.any.run/tasks/ebc2b053-30de-40fb-a971-faf597cf1166

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/132218/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Unauthorized injection to a recently created process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Launching a process
Deleting a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/666043
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 381948 Sample: 5H957qLghX.exe Startdate: 05/04/2021 Architecture: WINDOWS Score: 100 56 nothinglike.ac.ug 2->56 58 brudfascaqezd.ac.ug 2->58 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 3 other signatures 2->76 12 5H957qLghX.exe 1 26 2->12         started        17 Rsnmqx.exe 13 2->17         started        19 Rsnmqx.exe 13 2->19         started        signatures3 process4 dnsIp5 66 cdn.discordapp.com 162.159.130.233, 443, 49693, 49695 CLOUDFLARENETUS United States 12->66 50 C:\Users\Public50etplwiz.exe, PE32+ 12->50 dropped 52 C:\Users\Public52ETUTILS.dll, PE32+ 12->52 dropped 54 C:\Users\Public\Libraries\Rsnmqx\Rsnmqx.exe, PE32 12->54 dropped 80 Detected unpacking (changes PE section rights) 12->80 82 Detected unpacking (overwrites its own PE header) 12->82 84 Contains functionality to steal Chrome passwords or cookies 12->84 92 3 other signatures 12->92 21 cmd.exe 3 2 12->21         started        23 5H957qLghX.exe 1 12->23         started        86 Multi AV Scanner detection for dropped file 17->86 88 Machine Learning detection for dropped file 17->88 90 Injects a PE file into a foreign processes 17->90 26 Rsnmqx.exe 17->26         started        68 162.159.133.233, 443, 49723 CLOUDFLARENETUS United States 19->68 28 Rsnmqx.exe 19->28         started        file6 signatures7 process8 dnsIp9 30 wscript.exe 1 21->30         started        32 conhost.exe 21->32         started        60 nothinglike.ac.ug 79.134.225.25, 49707, 49709, 49711 FINK-TELECOM-SERVICESCH Switzerland 23->60 62 brudfascaqezd.ac.ug 23->62 64 192.168.2.1 unknown unknown 23->64 process10 process11 34 cmd.exe 5 30->34         started        file12 46 C:\Windows \System3246etplwiz.exe, PE32+ 34->46 dropped 48 C:\Windows \System3248ETUTILS.dll, PE32+ 34->48 dropped 78 Drops executables to the windows directory (C:\Windows) and starts them 34->78 38 Netplwiz.exe 34->38         started        40 conhost.exe 34->40         started        signatures13 process14 process15 42 cmd.exe 1 38->42         started        process16 44 conhost.exe 42->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610/
Threat name:
Win32.Trojan.Scarsi
Create hunting rule
Status:
Malicious
First seen:
2021-04-05 12:57:04 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0b02739c5fd7a7fa53410bc2287c42cf66a3a6d51ecc9570e76e4f0f8129f2d7
RemcosRAT
20913ef76e86c0e3222ad67afaadaa44912595513a32d08345dba6ec3de019c5
RemcosRAT
5719740e2e46073095cfb08ed7c0d397a7e76dda4047749b7ea0cb4ab47150a5
RemcosRAT
5d20ab723dbc30184582ccec3877af8fbb8fc78f90d09fd680bf784325951ca3
RemcosRAT
912f4c7877aa8c2990a743175b96e6d3c0564cd14f752554f18677d94b2df0cc
RemcosRAT
91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8
RemcosRAT
9945152f2509b0f8bccc5813830e6584502ceab5e5cc73912ef1b3950fee0cb9
RemcosRAT
b0dad01939e09e869b27e59d7a7d7c79fdd31bb4a8c52153844c23c3c34bf368
RemcosRAT
d94560cd6d50d7d21e77bc064c508f5569329d6c2a074859ba3b1ea2f64142ec
RemcosRAT
fee06f1a31cdd93b91bf8d0a5991023b2bf6d0ed2957c3bc0f40f05609eb689b
RemcosRAT
+ 142 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210405-r94pb5z4ae/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
31ffb1d8050b158b4c432cbb831f9da9b918443b7ed3ecca7e3d7a18a531e3f9
MD5 hash:
406f0b9cc6dacbdd1b715c557b941343
SHA1 hash:
77387463c87215e20a8592430665820cbb146660
Link:
https://www.unpac.me/results/abcb12bc-0778-4dc0-b694-a10c126aa0b8/
SH256 hash:
6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610
MD5 hash:
22aa113bd87bc6428b7b05955bb4f6aa
SHA1 hash:
0eb99a4d2efd18baa42d714e4048288ada872379
Link:
https://www.unpac.me/results/abcb12bc-0778-4dc0-b694-a10c126aa0b8/
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/6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610

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:MALWARE_Win_DLAgent07
Create hunting rule
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.

Web download

RemcosRAT

Executable exe 6f3f6c0f427dd7a5584141e0bc5a1ce8eed39721b3621a86c11bdf571472a610

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948788/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1099280/
Cape
Cape
https://www.capesandbox.com/analysis/132218/

Comments