MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a12ad95eb51a6c2e558d23ff681f2619141ae91d46ca21d0b04f94339b9dd8a7. 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 1 YARA 3 File information Comments

SHA256 hash: a12ad95eb51a6c2e558d23ff681f2619141ae91d46ca21d0b04f94339b9dd8a7
SHA3-384 hash: 3f22688ac0457787a6b2616ae599b46fc3fef0b4e3dcbfe8dca4cfa47acca2553b79a274b22d073efbda878acb83c220
SHA1 hash: ec025b5ba40c00db55f52826d9df84281cf7f912
MD5 hash: 536502a37ed1aeda46c3097aa807e858
humanhash: triple-four-may-carolina
File name:DOC20220513PRELIMINARC0559DOC0302732112202135.exe
Download: download sample
Signature RemcosRAT
File size:1'215'488 bytes
First seen:2022-09-06 15:10:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:hhCkJB2BY2slkQBk7i1R+VixD38SyJ3b31jSsMXlTl4me/0mSsi6LcnPscIqBvBo:hVGslkQqi+Vih3Swlf5arPQvBy
TLSH T1D6455C0B12850CB5D83250BCA4CCC1775BA98E45E63BC959BFCE9CAFF192F2C45D26A4
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
37.0.14.206:2404

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.0.14.206:2404 https://threatfox.abuse.ch/ioc/848268/

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC20220513PRELIMINARC0559DOC0302732112202135.exe
Verdict:
Malicious activity
Analysis date:
2022-09-06 15:12:32 UTC
Tags:
n/a

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-06 15:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:recovery 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
Checks computer location settings
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
www.arkern-tr.com:2404
bushnew.duckdns.org:2404
Unpacked files
SH256 hash:
953b6134e33043fd1455990fb380b2248d6a3b0f10f35b6682d86c904607559b
MD5 hash:
896dd22b5f105254b388403966dd6969
SHA1 hash:
eafb3e7cfc1865884ab6ff9ab245f6bf978ae1cc
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
SH256 hash:
8acf4111ec02dfae8f8575aa67c3562277b4fb8aba0f6ddfcbadcc40253f9765
MD5 hash:
acde4326d5564f1f010a4ff496dd5445
SHA1 hash:
72384f655ad711c317491d27f72f38c7554797b7
Detections:
win_remcos_auto
SH256 hash:
67fa0b9ff2f9228c614a77ebdbcd36eb9b3efd4d44178e06146744d365fa8e2b
MD5 hash:
34c71e25a905e0147ef27be4a2478a92
SHA1 hash:
2b1579f4d33a899c40626a76aca9dfea4c01967b
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
a12ad95eb51a6c2e558d23ff681f2619141ae91d46ca21d0b04f94339b9dd8a7
MD5 hash:
536502a37ed1aeda46c3097aa807e858
SHA1 hash:
ec025b5ba40c00db55f52826d9df84281cf7f912
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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