MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
SHA3-384 hash: cb5bad12a585df7700769bd838e7e2b0ecbdbe6479242b01b1da921c3d2c8df20a7184100b9c26ce6d724e0b1c8d04f2
SHA1 hash: 43f308e471f7693e59981d5a4c71631a19ec2cff
MD5 hash: 7fde2728c251f9decc884a03e63fb9c6
humanhash: ohio-golf-jig-berlin
File name:825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'106'944 bytes
First seen:2024-05-08 10:08:22 UTC
Last seen:2024-05-08 10:24:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:FR5XbQfW/AsAb/cPJC3zZVkJyPeTHgopIUlVrxMO8A9p:P5LQf9/b/rjfVopIUrrgA9p
Threatray 4'009 similar samples on MalwareBazaar
TLSH T17735F33D1CBE22BB81B9C6A9CFD9882BF450D47B7161AD7699D347954306A8338C313E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
Verdict:
Malicious activity
Analysis date:
2024-05-08 10:08:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b12e7db2-7a7e-4095-8475-baf0565bb3f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.28081.5005.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Setting a keyboard event handler
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/663b4f511c9796b80ab5fd22/reports/0000ff48-579e-488b-bcd0-ae0cb88c2148/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec3ea205-664d-4d53-b69f-3e8c92258626
Result
Threat name:
Remcos, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438186
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Installs a global keyboard hook
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 domain / URL
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1438186 Sample: Yp1sgzjI8y.exe Startdate: 08/05/2024 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 15 other signatures 2->50 7 EwwYuiTtGESO.exe 5 2->7         started        10 Yp1sgzjI8y.exe 7 2->10         started        process3 file4 52 Antivirus detection for dropped file 7->52 54 Multi AV Scanner detection for dropped file 7->54 56 Contains functionality to bypass UAC (CMSTPLUA) 7->56 64 6 other signatures 7->64 13 EwwYuiTtGESO.exe 7->13         started        16 schtasks.exe 1 7->16         started        38 C:\Users\user\AppData\...wwYuiTtGESO.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp15AB.tmp, XML 10->40 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 18 Yp1sgzjI8y.exe 3 2 10->18         started        22 powershell.exe 23 10->22         started        24 schtasks.exe 1 10->24         started        26 2 other processes 10->26 signatures5 process6 dnsIp7 28 conhost.exe 16->28         started        42 64.44.83.130, 2465 NEXEONUS United States 18->42 36 C:\ProgramData\remcos\logs.dat, data 18->36 dropped 66 Detected Remcos RAT 18->66 68 Installs a global keyboard hook 18->68 70 Loading BitLocker PowerShell Module 22->70 30 WmiPrvSE.exe 22->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-05-08 10:09:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjobbz666qyzbmpha3pdjpgotxfim7lxbikt2dutu2r3w7yxqtkq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
13a780d9b9243d3fea7a8f28655b9c3cc752e39fa7ade991ef73e4f89e7b6c26
RemcosRAT
27721c56187587669e9037d4c7379dade8d197db2be2c85bb56176f4e5834e63
RemcosRAT
a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
RemcosRAT
efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261
RemcosRAT
+ 3'999 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host execution rat
Link:
https://tria.ge/reports/240508-l6smaahf94/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
64.44.83.130:2465
Unpacked files
SH256 hash:
12ee3f053a50a5e922616baa23963862a1e093f22241947207062c49f4dab07d
MD5 hash:
6fe8a4d5b38b3307592a055e104a1659
SHA1 hash:
e63b0531b8d9a57396d2622f010dcfa6ba2d17b8
Link:
https://www.unpac.me/results/d2b2bf55-917e-41fd-9585-959b2ea9422e/
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/d2b2bf55-917e-41fd-9585-959b2ea9422e/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
26a36920e7a463398a4251828ec02fd965ad1d782f819b0c04904706efb083be
SH256 hash:
681b5f05b09d9e918e4595c4273389c5e25948a1d84ecff38175ddba11641529
MD5 hash:
d014293cbbb0d3f5e03619a7fba95cd7
SHA1 hash:
548127ea1005d06739424f4a878d1d412b349204
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/d2b2bf55-917e-41fd-9585-959b2ea9422e/
Parent samples :
a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
SH256 hash:
baa0bda022a64970c5be7e975198d5dd8229901e827b2bda8ed277c53e9fb950
MD5 hash:
1efe8c9276f935bf051c72a80a02d2c8
SHA1 hash:
13a1f62d3ad9375ca328ce8e393e4e235226bc3c
Link:
https://www.unpac.me/results/d2b2bf55-917e-41fd-9585-959b2ea9422e/
SH256 hash:
825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
MD5 hash:
7fde2728c251f9decc884a03e63fb9c6
SHA1 hash:
43f308e471f7693e59981d5a4c71631a19ec2cff
Link:
https://www.unpac.me/results/d2b2bf55-917e-41fd-9585-959b2ea9422e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/825c10e7def4/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/825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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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