MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1136869b303bfb491fda58869c898c19d9086fe34fd752018e49804481c6fbb1. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1136869b303bfb491fda58869c898c19d9086fe34fd752018e49804481c6fbb1
SHA3-384 hash: 95733640dbba54249fd66f0109b1b14679da7562b228abcc5129ad7618c6bc8bbab22f102101ced8db27883750c516d7
SHA1 hash: 10f0f92737e9c321a0ea58d0353dac753c3622df
MD5 hash: 8b2c765f32817f01f85bd40beed1f4d9
humanhash: march-nine-music-autumn
File name:KKKKLLLZ.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'071'616 bytes
First seen:2023-01-11 08:40:21 UTC
Last seen:2023-01-11 10:35:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:tlykxJZPtBKbgrvlAU3XW0iu7/R+N+U5qpS7xuy3UObnn:twKPXfzl3/sN+Wqp7yEOTn
Threatray 2'661 similar samples on MalwareBazaar
TLSH T1C735F1BA638461FBC86C573C3D11ECAABA3F4D76ED1F210559A9BA77077A7B0B081140
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 050559c9190a4460 (13 x RemcosRAT, 5 x AgentTesla, 3 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
217.64.127.195:52651

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
KKKKLLLZ.exe
Verdict:
Malicious activity
Analysis date:
2023-01-11 08:41:25 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/2ca53a23-a4b9-4d79-ba47-39e61e89520f

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/351862/
Detection(s):
Can't access file ERROR
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63be761e0fdf1633326e5fc2/reports/f9733edc-d6a3-47cd-9ab1-822eeaf604d2/overview
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8af7bc37-e832-4be6-80a1-95a20f9aa472
Result
Threat name:
Remcos, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1149452
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
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
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 782189 Sample: KKKKLLLZ.exe Startdate: 11/01/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 7 KKKKLLLZ.exe 1 7 2->7         started        11 Isoczsiogu.exe 4 2->11         started        13 Isoczsiogu.exe 3 2->13         started        process3 file4 38 C:\Users\user\AppData\...\Isoczsiogu.exe, PE32 7->38 dropped 40 C:\Users\...\Isoczsiogu.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\...\KKKKLLLZ.exe.log, ASCII 7->42 dropped 54 Encrypted powershell cmdline option found 7->54 56 Injects a PE file into a foreign processes 7->56 15 KKKKLLLZ.exe 2 7->15         started        18 powershell.exe 15 7->18         started        20 KKKKLLLZ.exe 7->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 powershell.exe 15 11->22         started        24 Isoczsiogu.exe 11->24         started        26 powershell.exe 13->26         started        28 Isoczsiogu.exe 13->28         started        30 Isoczsiogu.exe 13->30         started        signatures5 process6 dnsIp7 44 217.64.127.195, 49696, 52651 M247GB United Kingdom 15->44 32 conhost.exe 18->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1136869b303bfb491fda58869c898c19d9086fe34fd752018e49804481c6fbb1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-11 08:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ce3ingzqhp5ush62lcdjzcmmdhmqq37dj7lveamojgaejaog7oyq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1974f2f3c94bc79af6872802cae45f9113ce6b708635930a77aa73db92898852
RemcosRAT
2dd7a0f3a8c01338b500b88c023560f468c8d3c61e13fb5a6e55eab69087e7bc
RemcosRAT
51b5925e1b6b13f15c65d944a658a8f020ab87bda9cda80634c0d1c021eaac58
RemcosRAT
5c85d31e96aa84a80c123af889f960bbf39a7c13a2ed9e2d9644ad2e3fa366de
RemcosRAT
79861a10fcfaf967d54382b93d84ed03e5d5202cd3dfdcb599a535520360017e
RemcosRAT
a0fd8f81cda85af9221734e97a18c29c25a53020517d507ada3e3a1681036e54
RemcosRAT
b9b1a3245f7aa2f9fadc4cff8343866030a63f297167df00ca0aa4284f453be1
RemcosRAT
cbe42b277b9e2d8ad915917a6c9a6cca9858efb70c342462a0a6701b39dda1fc
RemcosRAT
f198970271e10830bafa86eccc5ce43e5075a15ed43f4e1924d0e8e0824f218b
RemcosRAT
+ 2'651 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:kelzy persistence rat
Link:
https://tria.ge/reports/230111-klez1sfe5v/
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:
217.64.127.195:52651
127.0.0.1:52651
10.5.247.128:52651
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/32ac533a-6a00-4e27-b4dc-9ea79cc311b8
Unpacked files
SH256 hash:
1136869b303bfb491fda58869c898c19d9086fe34fd752018e49804481c6fbb1
MD5 hash:
8b2c765f32817f01f85bd40beed1f4d9
SHA1 hash:
10f0f92737e9c321a0ea58d0353dac753c3622df
Link:
https://www.unpac.me/results/8a784450-106e-4723-b228-7786ae41f92b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1136869b303b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/1136869b303bfb491fda58869c898c19d9086fe34fd752018e49804481c6fbb1

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/351862/

Comments