MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d
SHA3-384 hash: fc79ac77656269169b641757d151369c3b2656c3cee3aac8ab36bab7166dff6197126b21d032e96012da205e6eb56567
SHA1 hash: e1e9f721b33a757ffd10395d3dce504366e36aa8
MD5 hash: cec899da8b9a765c80f6abd34b9a8a5d
humanhash: island-don-north-jig
File name:cec899da8b9a765c80f6abd34b9a8a5d.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'512'448 bytes
First seen:2021-12-14 16:15:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:oYRuksamMGPQeFW11ZGxUkFpXTT2bY42PzuVeU7pCzHHHQnCIf9TU6mk:lsamM6QcWxGx1FpXXhlPseU7p0HWCeKo
Threatray 881 similar samples on MalwareBazaar
TLSH T14F651259A27CBF25C47FABFA58B4214B43FEB50725A2D72AAD84B0C54D527C0DF018A3
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cec899da8b9a765c80f6abd34b9a8a5d.exe
Verdict:
Malicious activity
Analysis date:
2021-12-14 17:40:59 UTC
Tags:
rat remcos keylogger stealer
Link:
https://app.any.run/tasks/7667025f-1074-4924-a86d-f7f297472728

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/214019/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hacktool obfuscated packed remcos
Link:
https://www.filescan.io/uploads/61b8c3478a1c0aab6a87e7a1/reports/61db03da-b428-4c49-836e-3afb3e7af7d0/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/ef75c510-728b-468c-b4d2-4ff944657894
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/907216
Signature
.NET source code contains potential unpacker
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 Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 539703 Sample: Zeod8Umt19.exe Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Detected Remcos RAT 2->69 71 8 other signatures 2->71 11 Zeod8Umt19.exe 3 2->11         started        15 winn.exe 2 2->15         started        17 winn.exe 2 2->17         started        process3 file4 61 C:\Users\user\AppData\...\Zeod8Umt19.exe.log, ASCII 11->61 dropped 85 Contains functionality to steal Chrome passwords or cookies 11->85 87 Contains functionality to inject code into remote processes 11->87 89 Contains functionality to steal Firefox passwords or cookies 11->89 91 Delayed program exit found 11->91 19 Zeod8Umt19.exe 4 4 11->19         started        93 Injects a PE file into a foreign processes 15->93 22 winn.exe 15->22         started        24 winn.exe 15->24         started        26 winn.exe 15->26         started        28 winn.exe 17->28         started        signatures5 process6 file7 55 C:\Users\user\AppData\Roaming\winn.exe, PE32 19->55 dropped 57 C:\Users\user\...\winn.exe:Zone.Identifier, ASCII 19->57 dropped 59 C:\Users\user\AppData\Local\...\install.vbs, data 19->59 dropped 30 wscript.exe 1 19->30         started        process8 process9 32 cmd.exe 1 30->32         started        process10 34 winn.exe 3 32->34         started        38 conhost.exe 32->38         started        file11 53 C:\Users\user\AppData\Local\...\winn.exe.log, ASCII 34->53 dropped 73 Detected unpacking (creates a PE file in dynamic memory) 34->73 75 Contains functionality to steal Chrome passwords or cookies 34->75 77 Contains functionality to steal Firefox passwords or cookies 34->77 79 2 other signatures 34->79 40 winn.exe 3 1 34->40         started        signatures12 process13 dnsIp14 63 jamaru1444.myftp.biz 212.193.30.133, 2019, 49741, 49742 SPD-NETTR Russian Federation 40->63 81 Installs a global keyboard hook 40->81 83 Injects a PE file into a foreign processes 40->83 44 winn.exe 40->44         started        47 winn.exe 40->47         started        49 winn.exe 40->49         started        51 svchost.exe 40->51         started        signatures15 process16 signatures17 95 Tries to steal Instant Messenger accounts or passwords 44->95 97 Tries to steal Mail credentials (via file / registry access) 44->97 99 Tries to harvest and steal browser information (history, passwords, etc) 47->99
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-14 16:16:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4hi7myp5rcd2ur6xddgnjkburuvvuugamhv7ks57rlwbx4ysywq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
18f51c19c22914e634d9cfcd86018e676e91d1c4a9293c247a3c9da84dce3f60
RemcosRAT
4a843bea699f8a40ae3b92c04e01139d61880ce1c519e369a966e814593d1d81
RemcosRAT
7a25e7868a967540a3dc4c8fa89f07444c4b714c4d2f3add235a7f0c33099c57
RemcosRAT
af171290cc03d72c2c1272b039193cb71fdec5b612330f832dad2220753cb406
RemcosRAT
f30ea3e5ea06e9cb3ea8e6d219f3857f8e0d9bd1664476b9b5665aed0a167bda
RemcosRAT
+ 871 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:godsgrace_2022 brand:microsoft collection persistence phishing rat spyware stealer
Link:
https://tria.ge/reports/211214-tqs7wahafm/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
jamaru1444.myftp.biz:2019
Unpacked files
SH256 hash:
96d0bb4fc9b76af21766b69ea1f73ff93ecd495de83cf51f5e98742df85853ac
MD5 hash:
ef8e49b06843785e976c74c4a6aa3e89
SHA1 hash:
d3e5805fd9d0f96a2cf28ab9c7a14e6ffdbc548c
Link:
https://www.unpac.me/results/bff30111-740b-4e79-9fb4-517861bbef96/
SH256 hash:
5ec471fdd89d108f02713ca3c9cdc4d8993d6a01ef74c84e7007316e9337457d
MD5 hash:
db941e0dfacb41670af9d364327ca25b
SHA1 hash:
7b5e55762b4f69e98118e6bedb83e8f9b21f137f
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/bff30111-740b-4e79-9fb4-517861bbef96/
Parent samples :
e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236
cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d
08ce43a6cd4945d7c2d6031b465b27103ffb213bff99c5c83a31011b6c89bb13
ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a
4684a4b4906fcdcb11065f527c784d3fd34b319214d01453dc3867f00704a913
3e05e9f85beed0027d616a6932ec057f15c4c8499e8a6ee085f8199a61aedec3
SH256 hash:
b9aa43aefb6d0bc5a3273accdaf7d7a0675e2469a1dba378b03622eddf147d1a
MD5 hash:
577f83d18f56edb76d8ec9440e0667f8
SHA1 hash:
5a08ffe6657b1c2b9797c100228013ebfeca2429
Link:
https://www.unpac.me/results/bff30111-740b-4e79-9fb4-517861bbef96/
SH256 hash:
cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d
MD5 hash:
cec899da8b9a765c80f6abd34b9a8a5d
SHA1 hash:
e1e9f721b33a757ffd10395d3dce504366e36aa8
Link:
https://www.unpac.me/results/bff30111-740b-4e79-9fb4-517861bbef96/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cf0e8fb30fec/report/overview.html
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/cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d

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: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.

Web download

RemcosRAT

Executable exe cf0e8fb30fec443d523eb8c666a541a4695ad286030f5faa5dfc5760df98962d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1882911/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214019/

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