MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459. 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


RemoteManipulator


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
SHA3-384 hash: 59418f6bc0d216fd40344423529e242afd6c4811a2c66ac4b703f08f2a48734663e4b577ce7359d083aa0faa63a5fade
SHA1 hash: b763fd1a3f54bcdaacd7ab6b51387e49834225a7
MD5 hash: 79b940cedb20098990864f8f0a60372f
humanhash: jig-rugby-juliet-angel
File name:79b940cedb20098990864f8f0a60372f.exe
Download: download sample
Signature RemoteManipulator
Create hunting rule
File size:17'217'648 bytes
First seen:2024-10-12 15:20:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 38be718d163809a15e0c7a672311fe41 (18 x RemoteManipulator)
ssdeep 393216:DfdMgv/raPXH/rv6VxoaPDpZwoCoOEjDl+6:DFMg3sXfWVxowl+oCoOz6
Threatray 10 similar samples on MalwareBazaar
TLSH T19F07335BF7E24820D4FA8A7A49FE1B14177BBC9915234BCD0368F12A9CB63408DA53D7
TrID 71.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
11.9% (.EXE) Win32 Executable (generic) (4504/4/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.3% (.EXE) Generic Win/DOS Executable (2002/3)
5.3% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon c4dacabacac0c244 (47 x RemoteManipulator)
Reporter abuse_ch
Tags:exe RemoteManipulator signed

Code Signing Certificate

Organisation:Remote Utilities LLC
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2020-08-18T00:00:00Z
Valid to:2022-08-18T23:59:59Z
Serial number: aab0e5906afead7b956937974d8016ef
Intelligence: 13 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: cae7c89d5c445a4d774e14192fbcc6bb80658f183cec22da8146317446c33628
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
RemoteManipulator C2:
106.250.166.45:5721

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
106.250.166.45:5721 https://threatfox.abuse.ch/ioc/1335897/

Intelligence

File Origin
# of uploads :
1
# of downloads :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
rurat
Create hunting rule
ID:
1
File name:
79b940cedb20098990864f8f0a60372f.exe
Verdict:
Malicious activity
Analysis date:
2024-10-12 15:26:10 UTC
Tags:
rat rurat smtp exfiltration stealer remote
Link:
https://app.any.run/tasks/6ebc3da3-6776-4e18-8e16-3ad777691637

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Tool.RemoteUtilities-9869515-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670a93e2707bcd8537fb15dd
Tags:
Shellcode Delphi Remo Smtp
Verdict:
Malicious
Labled as:
Win32_RemoteAdmin_RemoteUtilities_W_potentially_unsafe
Link:
https://www.hybrid-analysis.com/sample/8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec3c4aa5-aa4d-4e6c-9a95-cbea41182d65
Result
Threat name:
RMSRemoteAdmin
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1532201
Signature
Detected unpacking (overwrites its own PE header)
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
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1532201 Sample: VwiubbxMcD.exe Startdate: 12/10/2024 Architecture: WINDOWS Score: 88 35 15.164.165.52.in-addr.arpa 2->35 37 rd1.lingo.kr 2->37 39 3 other IPs or domains 2->39 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 3 other signatures 2->55 10 VwiubbxMcD.exe 18 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\webmvorbisencoder.dll, PE32 10->27 dropped 29 C:\Users\user\...\webmvorbisdecoder.dll, PE32 10->29 dropped 31 C:\Users\user\AppData\Roaming\...\webmmux.dll, PE32 10->31 dropped 33 7 other malicious files 10->33 dropped 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->61 14 rfusclient.exe 3 10->14         started        signatures6 process7 signatures8 63 Query firmware table information (likely to detect VMs) 14->63 17 rutserv.exe 2 14->17         started        process9 signatures10 45 Query firmware table information (likely to detect VMs) 17->45 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->47 20 rutserv.exe 7 12 17->20         started        process11 dnsIp12 41 rd1.lingo.kr 106.250.166.45, 5721, 60965, 60982 LGDACOMLGDACOMCorporationKR Korea Republic of 20->41 43 mda.pcomail.com 112.216.238.82, 587, 60924 LGDACOMLGDACOMCorporationKR Korea Republic of 20->43 57 Query firmware table information (likely to detect VMs) 20->57 24 rfusclient.exe 2 20->24         started        signatures13 process14 signatures15 59 Query firmware table information (likely to detect VMs) 24->59
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459/
Threat name:
Win32.Hacktool.RemoteAdmin
Create hunting rule
Status:
Malicious
First seen:
2024-05-30 15:18:21 UTC
File Type:
PE (Exe)
Extracted files:
87
AV detection:
13 of 38 (34.21%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rrfcdk5xcddumhurj75kylqobpm7pb7m5ie4idvw7tv643alormq._file
Verdict:
malicious
Label(s):
rms
Create hunting rule
Similar samples:
0c41e02ef1c8837307ffbfe5e3c97116808ced2214d34a5517ac732bc2c3baa7
RemoteManipulator
8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
RemoteManipulator
a624655d8e81b8ec8ac52af6eed3f30009f5bad64fbb684f0eb7ac5dd3ff73f1
RemoteManipulator
b50cf4ce1fbaa5ba67035c538d49b8a39f1c1f976bfde8ee1f4ee040c6d42591
RemoteManipulator
error
RemoteManipulator
Result
Malware family:
rms
Create hunting rule
Score:
  10/10
Tags:
family:rms discovery rat trojan upx
Link:
https://tria.ge/reports/241012-srbhsaxckg/
Behaviour
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops file in System32 directory
UPX packed file
RMS
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0a4ad854-98e3-4980-81dc-d1f26e806bf9
Unpacked files
SH256 hash:
ae2c70e7adaf87d651b123e1ba89575f692eb48599f13a2c296caf155600d347
MD5 hash:
4210da833efe9decbe9248f1350dd27f
SHA1 hash:
6408c38b595fd140068686313a26af78ee9c1568
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
SH256 hash:
f93dfd03fb2e60394ddaac651eb2a0fdb8353f6aab04160d9c31bb3d359e83e4
MD5 hash:
c9eb45179b6a4fa5ac8d80bc15cafb40
SHA1 hash:
c7216b264bd96b44fc741443c07910afe7d8c624
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
SH256 hash:
b675c40e8021a3c1d3918d266c92d4125d4fa2e80b72e7161ebc24b45c801387
MD5 hash:
b37b8328a167c87abbb9f19ccce5245a
SHA1 hash:
7f660856347430bfd5fafac9c47eba079295ac21
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
SH256 hash:
8fed25090ad30eb4d0b61b2de3f93d935bad799befe10491b88669085e1ea480
MD5 hash:
c1a46b9bf24be7152a79face24f6937f
SHA1 hash:
7623e7d2dde70fcca41d95e9b85c8425e9976a8e
Detections:
win_samsam_auto
Create hunting rule
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
Parent samples :
0c41e02ef1c8837307ffbfe5e3c97116808ced2214d34a5517ac732bc2c3baa7
8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
3dcace7d338614daae6b307208d1f01b287cd1e9d747e04311110fe315ae37a7
b2d82a1342c45a9e369b7c894dc85a2ba43b0b439b30c40bc70659d073769823
SH256 hash:
0c4102f553d4194d2a6ec1505be1d07a19497fdd39aca1e94cbe8e78d3265226
MD5 hash:
7d53ffbfb5b26a6d92a7d1e087076e34
SHA1 hash:
f18e4f73f22ab9fe1192258cd80477595ef0b64c
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
SH256 hash:
8b8da3ab9313882034ead52493e816853cebac1f3cede69ade1f5c3a538461d9
MD5 hash:
af996b750172f99828c55f24e6abdc8e
SHA1 hash:
08971f2e7ae39d4cbc3156dafcd5897ba0518034
Detections:
win_rms_a0
Create hunting rule
win_rms_auto
Create hunting rule
MALWARE_Win_RemoteUtilitiesRAT
Create hunting rule
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
Parent samples :
b50cf4ce1fbaa5ba67035c538d49b8a39f1c1f976bfde8ee1f4ee040c6d42591
a624655d8e81b8ec8ac52af6eed3f30009f5bad64fbb684f0eb7ac5dd3ff73f1
0c41e02ef1c8837307ffbfe5e3c97116808ced2214d34a5517ac732bc2c3baa7
8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
3dcace7d338614daae6b307208d1f01b287cd1e9d747e04311110fe315ae37a7
b2d82a1342c45a9e369b7c894dc85a2ba43b0b439b30c40bc70659d073769823
SH256 hash:
3126edbd4987ee021d88e76417b16df2b13b02e79758d4059ec298c19a36f998
MD5 hash:
ea442c4e0f27eccf399341a1a5b2264e
SHA1 hash:
df091d7b0f481b9146f1a058e831a570c657cd3d
Detections:
win_rms_a0
Create hunting rule
MALWARE_Win_RemoteUtilitiesRAT
Create hunting rule
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
SH256 hash:
8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459
MD5 hash:
79b940cedb20098990864f8f0a60372f
SHA1 hash:
b763fd1a3f54bcdaacd7ab6b51387e49834225a7
Link:
https://www.unpac.me/results/f9e58f47-12a4-4d6b-9c89-604d4acff8c7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c4a21abb710/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/8c4a21abb710c7461e914ffaac2e0e0bd9f787ecea09c40eb6fcebee6c0b7459

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sectigo_Code_Signed
Create hunting rule
Description:Detects code signed by the Sectigo RSA Code Signing CA
Reference:https://bazaar.abuse.ch/export/csv/cscb/
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play Multimediawinmm.dll::timeGetTime
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteW
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegLoadKeyW

Comments