MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec901217558e77f2f449031a6a1190b1e99b30fa1bb8d8dabc3a99bc69833784. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments

SHA256 hash: ec901217558e77f2f449031a6a1190b1e99b30fa1bb8d8dabc3a99bc69833784
SHA3-384 hash: 617eef2605e9d4d59e2e4f582b415477a9d44d6eab860e5964167549d4e7c80ae0b6d09143f7746fb238dfaf939b6d8a
SHA1 hash: 560877ab92f78fa0aef8bb846674cd4e68729b64
MD5 hash: 57b00a449fc132c2f5d139c6d1cee7cd
humanhash: coffee-zebra-bluebird-wyoming
File name:SecuriteInfo.com.Trojan.PackedNET.738.32297.32442
Download: download sample
Signature RemcosRAT
File size:945'664 bytes
First seen:2023-08-28 13:38:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:y6WJp09ESfsTNmWdUwx/FDuDu5gXTgdNxXiHjMerygN6S58OpfsovNIh9CjnJ6QX:y6F9EOamWaU/z5bdNFiHjH5pvChI0R3
Threatray 2'790 similar samples on MalwareBazaar
TLSH T185151223FB01DFA9D13983FB7C1586164662EE1E6C54D368A8ABB6E21C31703847D71B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.738.32297.32442
Verdict:
Malicious activity
Analysis date:
2023-08-28 13:44:21 UTC
Tags:
rat remcos remote keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1298729 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 28/08/2023 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 12 other signatures 2->48 7 JYvUuDUrzbm.exe 5 2->7         started        10 SecuriteInfo.com.Trojan.PackedNET.738.32297.32442.exe 7 2->10         started        process3 file4 52 Antivirus detection for dropped file 7->52 54 Multi AV Scanner detection for dropped file 7->54 56 Contains functionality to bypass UAC (CMSTPLUA) 7->56 64 6 other signatures 7->64 13 schtasks.exe 1 7->13         started        15 JYvUuDUrzbm.exe 7->15         started        34 C:\Users\user\AppData\...\JYvUuDUrzbm.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp2F15.tmp, XML 10->36 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 17 SecuriteInfo.com.Trojan.PackedNET.738.32297.32442.exe 3 15 10->17         started        22 powershell.exe 21 10->22         started        24 schtasks.exe 1 10->24         started        signatures5 process6 dnsIp7 26 conhost.exe 13->26         started        38 obclondon.ddns.net 94.156.253.136, 4072, 49722 TECHNOFY-ASBG Bulgaria 17->38 40 geoplugin.net 178.237.33.50, 49723, 80 ATOM86-ASATOM86NL Netherlands 17->40 32 C:\ProgramData\remcos\logs.dat, data 17->32 dropped 50 Installs a global keyboard hook 17->50 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        file8 signatures9 process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-08-28 10:22:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
obclondon.ddns.net:4072
obclondon.duckdns.org:4072
Unpacked files
SH256 hash:
f2df6a0ea2fac8e6cb05fd2eeee5d840386fc367762cc97db5b51525ce82aebd
MD5 hash:
1d4d967479ee2caf84bdfe086ab5aa75
SHA1 hash:
fbcbe0b174e79af436162c50dd8e6d4103428719
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
1f28cc32babc50cc2c16c2c55b36f36cb393ea3fb420e4022acf286df7183f26
MD5 hash:
105528272a95ae17ed5131c0253a0d2d
SHA1 hash:
9d2e4ccee5f202e80f2f51599c808c3ef2c49cce
SH256 hash:
ec901217558e77f2f449031a6a1190b1e99b30fa1bb8d8dabc3a99bc69833784
MD5 hash:
57b00a449fc132c2f5d139c6d1cee7cd
SHA1 hash:
560877ab92f78fa0aef8bb846674cd4e68729b64
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments