MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9. 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: 15

Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash:	2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9
SHA3-384 hash:	ad6cb3b41bcc55f833a94bbb9febfa476a59ce696be8150f639c16a381f7c894cbe7c99f5076ced4f360436aa5b5e61c
SHA1 hash:	36571ccce2ae7f092c8bff4fe80b7b4cd37eee66
MD5 hash:	72fa44e3e13d946e188485a4115c67f4
humanhash:	georgia-eighteen-finch-monkey
File name:	DN TK 7239 (()DHL#3272524765pdf.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	873'984 bytes
First seen:	2024-08-16 15:45:37 UTC
Last seen:	2024-08-16 16:24:10 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	24576:mBXu9HGaVHoB42WGiRjocxGJo3ToETGMCjm:mw9VHM4YSjoaw8oEqMC
TLSH	T1080523C87E5198BBC88623B5C9374E2064523876C6C63B6E425AF23FF57A397840785F
TrID	31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 12.1% (.EXE) Win64 Executable (generic) (10523/12/4) 7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

417

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DN TK 7239 (()DHL#3272524765pdf.exe

Verdict:

No threats detected

Analysis date:

2024-08-16 15:46:31 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/948a226c-2a62-4b7a-bc22-ff242f11529a

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Trojan.AutoIt.1430.26621.1015.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66bf7441b35234d5cc65f15b

Tags:

Generic Malware

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

autoit lolbin masquerade microsoft_visual_cc packed packed packed redcap shell32 upx

Link:

https://www.filescan.io/uploads/66bf7444d6cbecd2e8036ddd/reports/c098eda9-b536-48f1-9f1e-6642a701bb86/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/81e17578-0961-448f-b92c-35beb9f77761

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1493951

Signature

AI detected suspicious sample

Binary is likely a compiled AutoIt script file

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to inject code into remote processes

Contains functionality to register a low level keyboard hook

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

Detected Remcos RAT

Found malware configuration

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 submitted file

Sigma detected: Remcos

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

System process connects to network (likely due to code injection or exploit)

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)

Tries to steal Mail credentials (via file registry)

Writes to foreign memory regions

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Yara detected WebBrowserPassView password recovery tool

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2024-08-13 06:59:37 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fsmndezace32hyz3gsju7kdgyldg6ndo22dykyxidepugff4lxeq._file

Verdict:

malicious

Label(s):

remcos

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection credential_access discovery rat stealer upx

Link:

https://tria.ge/reports/240816-s7l98awgnn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

UPX packed file

NirSoft MailPassView

NirSoft WebBrowserPassView

Credentials from Password Stores: Credentials from Web Browsers

Detected Nirsoft tools

Remcos

Malware Config

C2 Extraction:

194.169.175.190:2404

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e0beb477-9c25-40d5-bde8-dc9116b37bd7

Unpacked files

SH256 hash:

16da2306e37c4a85a217cbe52b0a65175c1868e3a29822e4e25ff78f85768288

MD5 hash:

81596543df6c19892da2284507ed0014

SHA1 hash:

649d3308a7611d87cbc0e30e7f95004c1a4eb181

Detections:

Remcos

win_remcos_auto

win_remcos_w0

malware_windows_remcos_rat

Link:

https://www.unpac.me/results/5b8761cb-052d-4c3a-b5b5-b724ae05b130/

Parent samples :

575c516d8a79420f7319c19839c63919b585947635fa54e87430e1c9f95e299d
c2cf1032ae671d0bcba6d625bc72236b125f864a1bb6114c6b96a8e0c91c6759
391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457
ccd6b2a6a94558d78d46955365f3dde6562301f7e3be7c7821521e8ae1cb2f10
60e88a5e93683dcbea9f4fef73f946335a1378f0130ff44fab52f18f487c2c8a
2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9
92be4e60ffc8bcce4d34243d1c5ec0f70c8059504d6466248ceeb8d0dde01afa

SH256 hash:

b979da033e268312386ceca3ea8ee37b41a079066f3ae23436a62c12f12cdfb8

MD5 hash:

24248a14e51eec3bb886992271523f5c

SHA1 hash:

ddf29280ee900629e6024c11598cc169c2b1db35

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/5b8761cb-052d-4c3a-b5b5-b724ae05b130/

SH256 hash:

2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9

MD5 hash:

72fa44e3e13d946e188485a4115c67f4

SHA1 hash:

36571ccce2ae7f092c8bff4fe80b7b4cd37eee66

Detections:

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/5b8761cb-052d-4c3a-b5b5-b724ae05b130/

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/2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9

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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::GetAce
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::timeGetTime
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetUseConnectionW

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