MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments
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SHA256 hash: fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99
SHA3-384 hash: 801cb5e51b7a1da97486babad05c91236cd02eea45a5349321cf7570fa13878de115f3097dd3de0fe6c4f45ac4d42e20
SHA1 hash: a0172b4b68087c3d5848473dc6f7c686c3393398
MD5 hash: 56ccfc83b300cca4958501e42872597e
humanhash: four-beer-carpet-jupiter
File name:SecuriteInfo.com.MSIL.Kryptik.AJOF.tr.12660.4315
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'086'464 bytes
First seen:2025-02-12 03:32:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:1mJZR+p1/1bnyT3MXyQPnPVOij689eSX8pWLhScvMtI:G0zdbyTwPn9Pu8X8pUvu
Threatray 350 similar samples on MalwareBazaar
TLSH T16B35330C3EB1EDB3C71C2277C8A31D00109DE9A6F932F24A7DA8A9775533741E55A9A3
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon aa96d4b2c6cca4e4 (4 x MassLogger, 4 x AgentTesla, 3 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
530
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.MSIL.Kryptik.AJOF.tr.12660.4315
Verdict:
Malicious activity
Analysis date:
2025-02-12 03:34:40 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/77f25306-3ffe-48e1-a706-c7cc23fc4959

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.AJOF.tr.12660.4315.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ac167d3f78927cc2cce55d
Tags:
micro shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ac1674cda1fa3c249f8edc/reports/d2c5741b-2972-4260-841a-0a14f757802c/overview
Verdict:
Malicious
Labled as:
HackTool[Obfuscator]/MSIL.DeepSea
Link:
https://www.hybrid-analysis.com/sample/fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99
Result
Verdict:
SUSPICIOUS
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fa7d6e4e-5b46-4a97-ba99-9e4aac4e2697
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1612730
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1612730 Sample: SecuriteInfo.com.MSIL.Krypt... Startdate: 12/02/2025 Architecture: WINDOWS Score: 100 46 aljahraprocurement.com 2->46 48 geoplugin.net 2->48 50 241.42.69.40.in-addr.arpa 2->50 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 13 other signatures 2->62 8 ZeArPubHiz.exe 14 6 2->8         started        11 SecuriteInfo.com.MSIL.Kryptik.AJOF.tr.12660.4315.exe 15 8 2->11         started        signatures3 process4 file5 64 Antivirus detection for dropped file 8->64 66 Multi AV Scanner detection for dropped file 8->66 68 Contains functionality to bypass UAC (CMSTPLUA) 8->68 76 6 other signatures 8->76 14 ZeArPubHiz.exe 8->14         started        17 schtasks.exe 8->17         started        38 C:\Users\user\AppData\...\ZeArPubHiz.exe, PE32 11->38 dropped 40 C:\Users\...\ZeArPubHiz.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmp1F0F.tmp, XML 11->42 dropped 44 SecuriteInfo.com.M....12660.4315.exe.log, ASCII 11->44 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 11->70 72 Adds a directory exclusion to Windows Defender 11->72 74 Injects a PE file into a foreign processes 11->74 19 SecuriteInfo.com.MSIL.Kryptik.AJOF.tr.12660.4315.exe 4 13 11->19         started        22 powershell.exe 23 11->22         started        24 powershell.exe 23 11->24         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 28 conhost.exe 17->28         started        52 2.58.56.182, 2404, 49704 SOFTNET-ASInternetServiceProviderinSloveniaandSouthE Netherlands 19->52 54 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 19->54 78 Detected Remcos RAT 19->78 80 Loading BitLocker PowerShell Module 22->80 30 conhost.exe 22->30         started        32 WmiPrvSE.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2025-02-12 03:33:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xn5ipg5nto65jzppc7syp7evmuvvqmm3p7mf6zmmydwafys36mq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
remcos
Create hunting rule
Similar samples:
1c80bf8e780ae58203e7f816c8fe04f66df434a3fbd981ba7c6e52e588622c03
RemcosRAT
1efe29ca00c9e7c69c46dc8139204716a36b6074647f3ec4fb06e2ac6576d496
RemcosRAT
51c0bcbc40451c10e3b56df10853156378e8dbfb32ee63ea936737d42818822c
RemcosRAT
905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04
RemcosRAT
b58a7d4bb391ebe2243a86ea92641445e98a4da3e51abf3d2c905fb8ac0dd9dd
RemcosRAT
error
RemcosRAT
f2418ca6e602c9470a8b6e32172432726e50b00d6e7a0ee5bd70d0172017d6c3
RemcosRAT
+ 340 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/250212-d3r8caxren/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Remcos
Remcos family
Malware Config
C2 Extraction:
2.58.56.182:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/94394dae-f954-4ba8-980c-91a83cc2cb72
Unpacked files
SH256 hash:
fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99
MD5 hash:
56ccfc83b300cca4958501e42872597e
SHA1 hash:
a0172b4b68087c3d5848473dc6f7c686c3393398
Link:
https://www.unpac.me/results/8fb30205-8d95-47fe-bc57-72699672ece4/
SH256 hash:
e9461b1aacc5817f93175b292af17540a0fe0fe26eba2b11244f8c87b21ab88b
MD5 hash:
4ab5e14e911b092b41a544ca62d0484e
SHA1 hash:
584c36c8199ec9329168882f98ef11ae8a6a0c5e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8fb30205-8d95-47fe-bc57-72699672ece4/
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
Link:
https://www.unpac.me/results/8fb30205-8d95-47fe-bc57-72699672ece4/
SH256 hash:
d4548b61b27ea9a87c09fc4bc69560d6abe7614ee7ac0b05f30d66d7f7bf443a
MD5 hash:
29149e368f2f594afec3a20e77497426
SHA1 hash:
ed37f197411871d66b545fdbd3eb02e3b87c4bdb
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/8fb30205-8d95-47fe-bc57-72699672ece4/
Parent samples :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 family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fddbd43cdd6c/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/fddbd43cdd6cddeea72f78bf2c3fe4ab295ac18cdbfec2fb2c6607601712df99

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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 (GUARD_CF)high

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