MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a
SHA3-384 hash: 95bd37bee73f90ac74438b370fe9419fd635dbde87c56ee289a8c2f87729e7b1017cd07d25e16836d6b93b48e729b808
SHA1 hash: 4a82b1a6fdbae8a544b5c29dee607e35942bdafd
MD5 hash: 1fcd788b851dddf7cfbd12ed99e836d1
humanhash: oscar-video-king-cup
File name:1fcd788b851dddf7cfbd12ed99e836d1.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:833'797 bytes
First seen:2024-04-28 09:00:09 UTC
Last seen:2024-04-28 09:32:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 890e522b31701e079a367b89393329e6 (25 x Formbook, 12 x AgentTesla, 8 x Loda)
ssdeep 12288:J6Wq4aaE6KwyF5L0Y2D1PqLFcEewSWQUTGQax5xbEmWs50X2DJSrmvEP3ffJ9mtl:fthEVaPqLiEP+DhTdSrmv6p9du
TLSH T1F50523CD3A86D229E43C15F8CE95C3F2D5107B5082BF9AB7B0603E633EEB019155B989
TrID 86.7% (.EXE) AutoIt3 compiled script executable (510622/80/67)
4.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
1.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon ccd030b0501cc4c0 (3 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:07:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/16eacdd9-0aa4-4a8a-8c69-d609434c4454

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint keylogger lolbin overlay packed packed shell32
Link:
https://www.filescan.io/uploads/662e105047bfd8641eb8c614/reports/22b8e8cd-535a-4786-b577-bcfdd1fbe1c6/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a
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:
Unknown
Link:
https://analyze.intezer.com/analyses/ef416d7a-bbee-4341-a721-8cee5325c007
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432819
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1432819 Sample: pC0zTAHIXe.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 8 other signatures 2->68 14 pC0zTAHIXe.exe 6 2->14         started        17 wscript.exe 1 2->17         started        process3 file4 58 C:\Users\user\AppData\Local\...\name.exe, PE32 14->58 dropped 20 name.exe 3 14->20         started        60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->60 24 name.exe 2 17->24         started        signatures5 process6 file7 56 C:\Users\user\AppData\Roaming\...\name.vbs, data 20->56 dropped 70 Drops VBS files to the startup folder 20->70 26 name.exe 2 20->26         started        28 name.exe 2 24->28         started        signatures8 process9 process10 30 name.exe 2 26->30         started        32 name.exe 3 28->32         started        process11 34 name.exe 2 30->34         started        36 name.exe 2 32->36         started        process12 38 name.exe 3 34->38         started        40 name.exe 36->40         started        process13 42 name.exe 2 38->42         started        44 name.exe 40->44         started        process14 46 name.exe 2 42->46         started        48 name.exe 44->48         started        process15 50 name.exe 46->50         started        52 name.exe 48->52         started        process16 54 name.exe 50->54         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2024-02-05 06:23:32 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6gundz5kxnzrwzm2zrlbqlwvksk3pwglmxcku3wzzxdspnsysfa._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Link:
https://tria.ge/reports/240428-kywhjacc39/
Behaviour
Enumerates physical storage devices
AutoIT Executable
UPX packed file
Unpacked files
SH256 hash:
af499c92d9fc3a13e7acc5cba18ce48d24916486886de17e6fab28226b1fbb37
MD5 hash:
683f2bf42f98fcde4a838efd85b44732
SHA1 hash:
841dece7c45db5df18249ee9985de1a3b0e05f06
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/544bdd46-a400-4748-b03e-7e6a20c28ecd/
SH256 hash:
b8301216c3a0577f997e516cbd2af952cadcefed39134c6f66dfd410332a16aa
MD5 hash:
76886136005ae83973e673c70645b83d
SHA1 hash:
0dc38db292ae5aac3680f4c8f3527a541ca86b36
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/544bdd46-a400-4748-b03e-7e6a20c28ecd/
Parent samples :
e17de40b62d3499ac85fc6815cc9933ec9bed7b1970458fe13b0f11cdec5140e
c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a
SH256 hash:
c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a
MD5 hash:
1fcd788b851dddf7cfbd12ed99e836d1
SHA1 hash:
4a82b1a6fdbae8a544b5c29dee607e35942bdafd
Detections:
MAL_Malware_Imphash_Mar23_1
Create hunting rule
Link:
https://www.unpac.me/results/544bdd46-a400-4748-b03e-7e6a20c28ecd/
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/c78d468f3d55db98db2cd662b0c176aaa4adbec65b2e255376ce6e393db2c48a

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:AutoIt
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu

File information

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

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments