MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc
SHA3-384 hash: 345699355b72104deec539454050c7ebfe9a64ede12aecb1c27a25adec9e0db713c39778c952b6896892fcc2d67f98bb
SHA1 hash: 67cea9b10cb84206c5e5d293cbc16927a5202a15
MD5 hash: 7f944d3748fb68361f0ee237f644fe19
humanhash: carpet-december-jig-network
File name:SecuriteInfo.com.W32.AIDetectNet.01.9549.13558
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'893'888 bytes
First seen:2022-08-23 00:00:30 UTC
Last seen:2022-08-23 00:28:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:HeyuDbTDXTV5iARot3DT2m0Ue+DksaKA:H6/fV5w3DT2x+DksaKA
Threatray 1'877 similar samples on MalwareBazaar
TLSH T11C95DFE4F815C960ED1A9BFE58727A880BD7AD6B65FAD3CD4D84B08E437301C51A0BD4
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 999c2e4d59716161 (2 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.9549.13558
Verdict:
Suspicious activity
Analysis date:
2022-08-23 00:01:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e8a11b36-4397-47ae-b721-52d62a1566fe

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/300354/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.9549.13558.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
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6304193cc9bbd9909789181a/reports/5370e850-50ce-4e1b-ac10-75ca829a00b0/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e94d862-3412-40c8-8188-a7daf3f7bdcb
Result
Threat name:
AsyncRAT, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1055922
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 688439 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected Remcos RAT 2->61 63 9 other signatures 2->63 7 SecuriteInfo.com.W32.AIDetectNet.01.9549.exe 1 7 2->7         started        11 Rknpye.exe 4 2->11         started        13 Rknpye.exe 2->13         started        process3 file4 41 C:\Users\user\AppData\Roaming\...\Rknpye.exe, PE32 7->41 dropped 43 C:\Users\user\...\Rknpye.exe:Zone.Identifier, ASCII 7->43 dropped 45 SecuriteInfo.com.W...Net.01.9549.exe.log, ASCII 7->45 dropped 65 Encrypted powershell cmdline option found 7->65 67 Writes to foreign memory regions 7->67 69 Injects a PE file into a foreign processes 7->69 15 InstallUtil.exe 2 17 7->15         started        19 powershell.exe 18 7->19         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 21 powershell.exe 11->21         started        23 powershell.exe 13->23         started        signatures5 process6 dnsIp7 49 sfcarbotexpl.ddns.net 103.253.26.242, 44851, 49760, 49761 READYSERVER-SGREADYSERVERPTELTDSG Singapore 15->49 51 geoplugin.net 178.237.33.50, 49762, 80 ATOM86-ASATOM86NL Netherlands 15->51 53 Maps a DLL or memory area into another process 15->53 55 Installs a global keyboard hook 15->55 25 InstallUtil.exe 1 15->25         started        28 InstallUtil.exe 15->28         started        30 InstallUtil.exe 15->30         started        38 18 other processes 15->38 32 conhost.exe 19->32         started        34 conhost.exe 21->34         started        36 conhost.exe 23->36         started        signatures8 process9 dnsIp10 75 Tries to steal Instant Messenger accounts or passwords 25->75 77 Tries to steal Mail credentials (via file / registry access) 25->77 47 192.168.2.1 unknown unknown 38->47 79 Tries to harvest and steal browser information (history, passwords, etc) 38->79 signatures11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-08-22 22:01:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 26 (61.54%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ftyvexg3ldwj4xkh4xdgmgnzz4uwmfk6zzukm3u37e2tnglrztoa._file
Verdict:
malicious
Label(s):
masslogger
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remcos
Create hunting rule
Similar samples:
1e9d4a5258e0fd5efe78f173d5d80a991337c8d890697320242218f94254f1de
RemcosRAT
24bb842bb98ba84cbd9db57c226cbf30bd30d240007b18c3c9a734fd4f8e63a7
RemcosRAT
6c3193fce2bc8edb1884269cc6c43445db0c8a7ca04d89605d588a72510b3ca1
RemcosRAT
7b6d0544e8a91acc2ccfc8578a849e0726df02700c5909e8fed955199ac2a945
RemcosRAT
ae5e7a411b4e6dcc818f5f8ab9aa345b0203c834545e188f1518bdc3ba846235
RemcosRAT
cce110eed95c36bf618669b1a290ee90b5152ee9c660b6b37f3e11dca7431419
RemcosRAT
cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00
RemcosRAT
ceb6fcadd0f96521026c478596bbc3ba3dfdd3ecdbb2d9e4e8f5bb4a422e446d
RemcosRAT
ec0a3b7d3636b52ae025418ec21669e06c30f58930f11303571a2af6993ef365
RemcosRAT
f171eba23f65f99cd49caa4d84e1adc3429100573de5405534922bc784dd0d23
RemcosRAT
+ 1'867 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:snrbys collection persistence rat
Link:
https://tria.ge/reports/220823-aawhhsehfp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
sfcarbotexpl.ddns.net:44851
Unpacked files
SH256 hash:
2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc
MD5 hash:
7f944d3748fb68361f0ee237f644fe19
SHA1 hash:
67cea9b10cb84206c5e5d293cbc16927a5202a15
Link:
https://www.unpac.me/results/a7fb4144-9db3-4134-b16f-31dbdf7569ea/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2cf1525cdb58/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/2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc

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.

Web download

RemcosRAT

Executable exe 2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2275683/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/300354/

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