MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c
SHA3-384 hash: 1748d6c21203c2b171cb103f996a7a5af2d66cb3393614ddfc6a5d967e71bf99c71b7a7ab82556885258c34535f86123
SHA1 hash: 98c98805157afae7d58d43a6202ec9d2b1513eb0
MD5 hash: d22b4fd11c36fcb2d473d0448ae7e8a0
humanhash: wisconsin-may-coffee-beryllium
File name:Kkkkkllvlv.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'209'792 bytes
First seen:2022-11-14 13:46:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:Rjzt1T7CFH3F5xTqZbx2OEab1v7Z/53/pE8ogHp7yrkz:1ztN7Cb5NqxxREO1v7J5vpE8ogdy+
TLSH T1F0A5339B5B19D690F8C7B5FA469762D103B88E014EB1D3DF748DBE6819FA20007D0B26
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 31d89c92929ed831 (19 x RemcosRAT, 6 x Formbook, 2 x AgentTesla)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Kkkkkllvlv.exe
Verdict:
Malicious activity
Analysis date:
2022-11-14 13:49:20 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/39da1df9-fc4b-411f-a442-16861021a798

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/333785/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24247.30334.9552.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637246d78d07bb59f81af775/reports/0827da23-dc57-4a52-b218-1860ba4d2ea7/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2f6d5e1f-b4a9-406a-a78c-bf461a971ea0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1112913
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 745607 Sample: Kkkkkllvlv.exe Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 8 other signatures 2->48 7 Kkkkkllvlv.exe 1 7 2->7         started        11 Rjdvb.exe 3 2->11         started        13 Rjdvb.exe 3 2->13         started        process3 file4 30 C:\Users\user\AppData\Roaming\...\Rjdvb.exe, PE32 7->30 dropped 32 C:\Users\user\...\Rjdvb.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\...\Kkkkkllvlv.exe.log, ASCII 7->34 dropped 50 Encrypted powershell cmdline option found 7->50 15 Kkkkkllvlv.exe 2 7->15         started        18 powershell.exe 14 7->18         started        52 Antivirus detection for dropped file 11->52 54 Machine Learning detection for dropped file 11->54 20 powershell.exe 11->20         started        22 powershell.exe 13->22         started        signatures5 process6 dnsIp7 36 46.183.216.163, 8107 DATACLUBLV Latvia 15->36 38 10.26.173.68, 8107 unknown unknown 15->38 40 127.0.0.1 unknown unknown 15->40 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-09 17:10:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 41 (63.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=63netdp4azplier4maa5gxrypwkzdzokqcii5erilro4oorh7ioa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:favour persistence rat
Link:
https://tria.ge/reports/221114-q3jbnagc6x/
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:
46.183.216.163:8107
127.0.0.1:8107
10.26.173.68:8107
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e294cc5c-e7d9-451d-8df6-932042e86e2f
Unpacked files
SH256 hash:
d007c0234385143131862382b0d2ee12fa14b8000c4055c6924aec603170e464
MD5 hash:
82d937cd77775fd010a6559288f23d66
SHA1 hash:
7a7fc1e5a65f7408cb66813ef36cfeb9b54dcbcf
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/f472798f-d714-487b-b9f9-cfb64a59724e/
Parent samples :
6153c2ca084eca60bcc7372af3112faa0e75a9f0e2a7434d86fe91ebd4e01c70
dd1864eda43f6e5475ec418383e491835329b59341399f569fd9840840c3b699
0435ea7918d41fa260e347f2a739034f2eba3f14b2f28cceda08c7bc1aab17a6
f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c
SH256 hash:
830683383d57e17e7ea032dbc8f3e974cba36c5c6316f3e0b34ac6582614c887
MD5 hash:
0c5fe4aed05e3cbe762fd286dd1c6d13
SHA1 hash:
225b1b699edd71422de1a335e22c8cc1535aedc9
Link:
https://www.unpac.me/results/f472798f-d714-487b-b9f9-cfb64a59724e/
SH256 hash:
f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c
MD5 hash:
d22b4fd11c36fcb2d473d0448ae7e8a0
SHA1 hash:
98c98805157afae7d58d43a6202ec9d2b1513eb0
Link:
https://www.unpac.me/results/f472798f-d714-487b-b9f9-cfb64a59724e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/333785/

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