MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976. 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: 19


Intelligence 19 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976
SHA3-384 hash: 7e3407201e493a2b5a5c01b6f9ed27267abe149b6728102ab697c9a6702345064754b2ec89292776c3c56c886af4947d
SHA1 hash: a422d6d28adf323a252392a4fd9417e9ea03031e
MD5 hash: 638cb74303c3becc203afc4d596f819a
humanhash: fanta-charlie-fillet-diet
File name:638CB74303C3BECC203AFC4D596F819A.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'233'920 bytes
First seen:2024-09-08 04:00:07 UTC
Last seen:2024-09-08 05:17:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 47f475d0a4d28d659a0ba6a76d810d53 (1 x RemcosRAT)
ssdeep 24576:VqoHdjVhQ7+E8kW5SzKeVG5IOhozeUnpfoO6w+Nqo:VqYv6FWc0IsUnp
TLSH T196459D63BD7144F6D1F29C79CF06EBD8841D6B612E14E81A22C11B8CC97CE867F612DA
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10523/12/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 74f48889868f88b4 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
184.75.221.171:36441

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
184.75.221.171:36441 https://threatfox.abuse.ch/ioc/1322091/

Intelligence

File Origin
# of uploads :
2
# of downloads :
524
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
638CB74303C3BECC203AFC4D596F819A.exe
Verdict:
Malicious activity
Analysis date:
2024-09-08 04:01:37 UTC
Tags:
remcos rat evasion
Link:
https://app.any.run/tasks/7515397c-159d-42a0-908e-c57e44fd4733

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Starter.8287.21448.20531.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66dd21803236667691a1fd8b
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Zusy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi fingerprint keylogger modiloader zusy
Link:
https://www.filescan.io/uploads/66dd21828e6dbb2ce8a35f7c/reports/b8bf0340-ba85-45aa-a668-674d389cd583/overview
Verdict:
Malicious
Labled as:
Ser.Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976
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.
Malware family:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/376636d4-0dd9-46eb-baf5-3b7d3a84e2fc
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507008
Signature
AI detected suspicious sample
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Malicious sample detected (through community Yara rule)
Queues an APC in another process (thread injection)
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1507008 Sample: IEry29c3sb.exe Startdate: 08/09/2024 Architecture: WINDOWS Score: 100 58 uchstg.org 2->58 60 geoplugin.net 2->60 78 Suricata IDS alerts for network traffic 2->78 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 9 other signatures 2->84 9 IEry29c3sb.exe 1 6 2->9         started        14 Aiifmpmn.PIF 2->14         started        16 Aiifmpmn.PIF 2->16         started        signatures3 process4 dnsIp5 68 uchstg.org 67.225.141.34, 443, 49711, 49712 LIQUIDWEBUS United States 9->68 48 C:\Users\Public\Libraries\nmpmfiiA.cmd, DOS 9->48 dropped 50 C:\Users\Public\Libraries\Aiifmpmn, data 9->50 dropped 52 C:\Users\Public\Aiifmpmn.url, MS 9->52 dropped 100 Early bird code injection technique detected 9->100 102 Allocates memory in foreign processes 9->102 104 Allocates many large memory junks 9->104 106 2 other signatures 9->106 18 SndVol.exe 3 13 9->18         started        22 cmd.exe 1 9->22         started        24 esentutl.exe 2 9->24         started        27 colorcpl.exe 14->27         started        29 colorcpl.exe 16->29         started        file6 signatures7 process8 dnsIp9 62 213.152.162.181, 36441, 49713 GLOBALLAYERNL Netherlands 18->62 64 184.75.221.171, 36441, 49721 AMANAHA-NEWCA Canada 18->64 66 geoplugin.net 178.237.33.50, 49722, 80 ATOM86-ASATOM86NL Netherlands 18->66 86 Contains functionality to bypass UAC (CMSTPLUA) 18->86 88 Detected Remcos RAT 18->88 90 Contains functionalty to change the wallpaper 18->90 92 Contains functionality to register a low level keyboard hook 18->92 31 esentutl.exe 2 22->31         started        35 alpha.pif 1 22->35         started        37 esentutl.exe 2 22->37         started        41 6 other processes 22->41 46 C:\Users\Public\Libraries\Aiifmpmn.PIF, PE32 24->46 dropped 39 conhost.exe 24->39         started        94 Contains functionality to steal Chrome passwords or cookies 27->94 96 Contains functionality to steal Firefox passwords or cookies 27->96 98 Delayed program exit found 27->98 file10 signatures11 process12 file13 54 C:\Users\Public\alpha.pif, PE32 31->54 dropped 72 Drops PE files to the user root directory 31->72 74 Drops PE files with a suspicious file extension 31->74 76 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 31->76 43 xpha.pif 1 35->43         started        56 C:\Users\Public\xpha.pif, PE32 37->56 dropped signatures14 process15 dnsIp16 70 127.0.0.1 unknown unknown 43->70
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976/
Threat name:
Win32.Trojan.ModiLoader
Create hunting rule
Status:
Malicious
First seen:
2024-09-03 13:35:16 UTC
File Type:
PE (Exe)
Extracted files:
45
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=szhnpzb4yy4gwrhmb7etr7xzosexqdu4uutcbbgxkktb7wx2lf3a._file
Verdict:
malicious
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery persistence trojan
Link:
https://tria.ge/reports/240908-ek8caaxapb/
Behaviour
Script User-Agent
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8650d95c-df7a-47fa-a555-bb94a792caf6
Unpacked files
SH256 hash:
816fa51676b2a8092f6b99c54f68cedfad591aff08f5d67696f82d6d7dca6219
MD5 hash:
39a8e85ca23b6de98ff7aeaab4e8896e
SHA1 hash:
7534a8d2f5d5e550bea625caf361306d516c16a4
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/46d6c871-d1f7-438b-8bd7-55eb68515d78/
Parent samples :
d9fa5a32ffadff0527ca655025366ff697118e20647bfd73fe3670934a02c985
b7c1f8aa7692d8e2f7a2a186ff3b097a390bd9cc6d8c74abc764be9f5d89a4bf
1ef76a2d8261360325fb2881c01e8cb3c1ac8cd4616cddf762e14e89e0a88d7f
964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Link:
https://www.unpac.me/results/46d6c871-d1f7-438b-8bd7-55eb68515d78/
SH256 hash:
0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323
MD5 hash:
869640d0a3f838694ab4dfea9e2f544d
SHA1 hash:
bdc42b280446ba53624ff23f314aadb861566832
Link:
https://www.unpac.me/results/46d6c871-d1f7-438b-8bd7-55eb68515d78/
SH256 hash:
964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976
MD5 hash:
638cb74303c3becc203afc4d596f819a
SHA1 hash:
a422d6d28adf323a252392a4fd9417e9ea03031e
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/46d6c871-d1f7-438b-8bd7-55eb68515d78/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/964ed7e43cc6/report/overview.html
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/964ed7e43cc6386b44ec0fc938fef97489780e9ca5262084d752a61fdafa5976

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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