MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90
SHA3-384 hash: 7e59d5da83cdd120641045f78d342d7663b1d4b9eb72218984f779bd1ebfa5716d083da8ded77c436ae4652a2b8fe29e
SHA1 hash: b798f1fb55df9d7373f1afa55032dbe9d513b7a2
MD5 hash: 2033987c1b1a62b5c6e4fe2ffe1960b6
humanhash: jupiter-maine-two-pizza
File name:2033987c1b1a62b5c6e4fe2ffe1960b6
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:504'320 bytes
First seen:2022-05-20 06:06:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6f5a437f484fcd65631edd0ab7a98c66 (5 x RedLineStealer, 1 x RemcosRAT)
ssdeep 12288:UWz2OiRwt/ONdw7p0gk56xbMhsMX1KeVPM7L5V:FaReZOT26h56xbMhNlKeWf
TLSH T1FEB4CF00FAB0D034F1B716FD49B9826C6A3ABDA15B24D1CB62D4AAEE56F46D0DC31707
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9824e7d0c4e72158 (35 x RedLineStealer, 23 x Smoke Loader, 14 x ArkeiStealer)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
BANKING DETAILS.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-20 05:47:48 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader rat remcos stealer
Link:
https://app.any.run/tasks/5f6aa768-7bc9-409e-b960-c36566442693

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/272842/
Detection(s):
Win.Packed.Generic-9950062-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/19100/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware mikey packed
Link:
https://www.filescan.io/uploads/62873012054dcf0ecad03bc5/reports/a0ad4eb5-9565-41bf-889b-5ac2b1e7d103/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/07e0f2a6-fcba-472e-a393-bdbd2ea1ad45
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/998287
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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)
Found malware configuration
Installs a global keyboard hook
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 630779 Sample: 5msxsLdPe3 Startdate: 20/05/2022 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 4 other signatures 2->68 9 5msxsLdPe3.exe 4 4 2->9         started        13 ios.exe 2->13         started        15 ios.exe 2->15         started        process3 file4 54 C:\Users\user\AppData\Roaming\ios.exe, PE32 9->54 dropped 56 C:\Users\user\...\ios.exe:Zone.Identifier, ASCII 9->56 dropped 70 Contains functionality to steal Chrome passwords or cookies 9->70 72 Contains functionality to steal Firefox passwords or cookies 9->72 74 Delayed program exit found 9->74 17 wscript.exe 9->17         started        19 WerFault.exe 9 9->19         started        22 WerFault.exe 9 9->22         started        24 5 other processes 9->24 76 Multi AV Scanner detection for dropped file 13->76 78 Detected unpacking (changes PE section rights) 13->78 80 Detected unpacking (overwrites its own PE header) 13->80 82 Contains functionality to inject code into remote processes 13->82 signatures5 process6 file7 26 cmd.exe 17->26         started        42 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->42 dropped 44 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->44 dropped 46 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->46 dropped 48 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->48 dropped 50 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->50 dropped 52 2 other malicious files 24->52 dropped process8 process9 28 ios.exe 26->28         started        32 conhost.exe 26->32         started        dnsIp10 58 skygroupt6.zapto.org 62.197.136.97, 2080, 49794 SPRINTLINKUS Netherlands 28->58 60 geoplugin.net 178.237.33.50, 49797, 80 ATOM86-ASATOM86NL Netherlands 28->60 84 Installs a global keyboard hook 28->84 34 WerFault.exe 28->34         started        36 WerFault.exe 28->36         started        38 WerFault.exe 28->38         started        40 WerFault.exe 28->40         started        signatures11 process12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-05-20 06:07:07 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5p24gh7yyps5t3w26l6vecdiezxyo6hhbp35dsqltv5dlebhoia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220520-gva6msdda2/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
skygroupt6.zapto.org:2080
Unpacked files
SH256 hash:
64acd8e258c04490335d2a263e35d2a0a59b525e97dca0c4745075e8529f778a
MD5 hash:
7b82fdd1db58e88db4f672805fcf3208
SHA1 hash:
de5abe3a2956b126924581b8d113bf4f75d5a8fe
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c9079e80-414a-4f3a-ac5f-043775ce9361/
Parent samples :
96b2da5b493ac29bb08e8045157cd8b2643dcfa4a937f7eced5a276b8f8a6b67
f710395880f835d08b965db304c00350be5824af2bbe7a55ba6ead607f7ff65d
8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90
7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e
52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba
32c13122b55a0627f66b955a6c23af6d3dffbe5f1f3f07fd1563e4535a8b5060
b0733b60cb298a6af58554ee275fc72fd859d747d3af92b0fad87f113564304f
SH256 hash:
8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90
MD5 hash:
2033987c1b1a62b5c6e4fe2ffe1960b6
SHA1 hash:
b798f1fb55df9d7373f1afa55032dbe9d513b7a2
Link:
https://www.unpac.me/results/c9079e80-414a-4f3a-ac5f-043775ce9361/
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/8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90

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_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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.

Web download

RemcosRAT

Executable exe 8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2203528/
Cape
Cape
https://www.capesandbox.com/analysis/272842/

Comments


Avatar
zbet commented on 2022-05-20 06:06:54 UTC

url : hxxp://85.202.169.85/77/vbc.exe