MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1. 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 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
SHA3-384 hash: 628ce6997c6bf7220eb157415695aab046104cd598cd5fa2536fec33914361f0c3ad5fe919e4af10e171cf67b352a6c1
SHA1 hash: 1a4148700ab479b4c455a1eb9d5f48ac56799054
MD5 hash: 016d22f02af7424e8d99c6c243adcdb7
humanhash: artist-connecticut-hawaii-cold
File name:3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:606'720 bytes
First seen:2024-12-12 16:16:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:Xzt4ktnPfSk1fXq1nThCpEOFYTJu+qHUM0LvnOuvtICV:CGf184pEO+TJaUMOnhIC
Threatray 158 similar samples on MalwareBazaar
TLSH T1EED41292768B17A0C645403868FB9D1923F563822A33EBE3799D429E9DD3781CF50FC9
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:181-131-217-244 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
401
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
Verdict:
No threats detected
Analysis date:
2024-12-12 16:27:38 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/a68d1569-22ae-4e5c-93c1-88d3f483050f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.7425.18670.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675b0eace19061cac7f09db4
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cryptor_detected net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/675b0c8709ec3ebcf5024d06/reports/08492cb1-940b-4630-97d4-5c79fcff6c11/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
Link:
https://www.hybrid-analysis.com/sample/3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
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/93dc9ba8-5540-4227-9254-7cd6d57a8878
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1573902
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Drops large PE files
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1573902 Sample: fIPSLgT0lO.exe Startdate: 12/12/2024 Architecture: WINDOWS Score: 100 22 s3-w.us-east-1.amazonaws.com 2->22 24 s3-1-w.amazonaws.com 2->24 26 5 other IPs or domains 2->26 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 11 other signatures 2->42 7 dydrrixtx.exe 1 3 2->7         started        11 fIPSLgT0lO.exe 16 3 2->11         started        signatures3 process4 dnsIp5 18 C:\Users\user\...\HardDiskSentinelBin.exe, PE32 7->18 dropped 44 Drops large PE files 7->44 46 Injects a PE file into a foreign processes 7->46 14 dydrrixtx.exe 3 16 7->14         started        28 newstaticfreepoint24.ddns-ip.net 181.131.217.244, 1842, 30203, 49709 EPMTelecomunicacionesSAESPCO Colombia 11->28 30 bitbucket.org 185.166.143.50, 443, 49710 AMAZON-02US Germany 11->30 32 s3-w.us-east-1.amazonaws.com 52.217.129.233, 443, 49711 AMAZON-02US United States 11->32 20 C:\Users\user\AppData\Local\...\dydrrixtx.exe, PE32 11->20 dropped 48 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 11->48 file6 signatures7 process8 dnsIp9 34 geoplugin.net 178.237.33.50, 49718, 80 ATOM86-ASATOM86NL Netherlands 14->34 50 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 14->50 52 Installs a global keyboard hook 14->52 54 Found direct / indirect Syscall (likely to bypass EDR) 14->54 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2024-12-05 15:48:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrgeqab5rxpv3q36it5tidubsuomwrz5xnki5f2sxa6gski2ktyq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
43662e68046f7ba9f58863a4f68170c4752e8da64e76324fb25fbabb193bb361
RemcosRAT
437c785b2093ffb955f17d63758cfb10e741509415cc55de8050e2d918716a4a
RemcosRAT
66e6c38dc2c5e1dc03209e8f876d546c94a1b806c6e02c3b33f5e523eb3fdff9
RemcosRAT
8ee7bb70506574eb0ba1bffc0bafd993c707d01e54385ca83fb3f731521a9298
RemcosRAT
972f3d714d2a17e1e4d524c97cf8a283728dc8cf8ea4f2c39bf005cfcd3e71ce
RemcosRAT
b6bcdbd5822720d72a949b018443c758725389d96cffb16a146830c567c302d2
RemcosRAT
e420b000de0e86869fed544967e39722370f2ac558f5e780341c4a8f365426a4
RemcosRAT
error
RemcosRAT
+ 148 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/241212-trc72s1qem/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6338776e-8c8e-4816-bc23-3110417725d6
Unpacked files
SH256 hash:
6e58f3df4a0e5557aba37abee4a555ded556d2b760b97646f8d8a13e9484babd
MD5 hash:
d1f9e6729315ef7fdf01e10e028ef320
SHA1 hash:
c6e8b68fe36c7ab13652c22c6ef7496644f1f5c2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/079108bc-459d-4477-9cc7-9bea6c8f6e3d/
Parent samples :
e21ba230ca353ac49e1e7f7ce9270fd07a436b07aa6be43213c79f30f84f3e7e
3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/079108bc-459d-4477-9cc7-9bea6c8f6e3d/
SH256 hash:
2c2eb3e370e6d669f02f964eea9f2d4c5e5d01454f63795f9ae9e56dd2bbd811
MD5 hash:
5a6ff08155c0bbc87b53ae0dc97d4125
SHA1 hash:
3e2f2a538ac5544efde2b3db7646b71378d2a53b
Link:
https://www.unpac.me/results/079108bc-459d-4477-9cc7-9bea6c8f6e3d/
SH256 hash:
3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1
MD5 hash:
016d22f02af7424e8d99c6c243adcdb7
SHA1 hash:
1a4148700ab479b4c455a1eb9d5f48ac56799054
Link:
https://www.unpac.me/results/079108bc-459d-4477-9cc7-9bea6c8f6e3d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3c4c48003d8ddf5dc37e44fb340e81951ccb473dbb548e9752b83c69291a54f1

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

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