MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9882dda58a91a1e4ab56d6d3f7311ebd31d6bf8ad674484819110da1af0d0192. 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: 8


Intelligence 8 IOCs 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9882dda58a91a1e4ab56d6d3f7311ebd31d6bf8ad674484819110da1af0d0192
SHA3-384 hash: f22031eecb1e52fa0bbb5a75a72c822dc01b710d859904927889f894f3b22e520cbad31d6486cdb442c5f8fa2e6aa360
SHA1 hash: f7c87a2f1f087483d326a99163961235f7e6a894
MD5 hash: f4b8568b64c48cd42c52f825bbfd6104
humanhash: eighteen-nitrogen-kentucky-muppet
File name:Factura Serfinanza021195259493613491059275144.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:22'312 bytes
First seen:2021-06-23 02:36:44 UTC
Last seen:2021-06-23 03:42:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 384:pFndXxulwtaU52k1LQa5eCaqhwfB5+ai8ATWxmx6K1W+yXphC:pFdXclzU/RIqhwvZdduyXphC
Threatray 1'819 similar samples on MalwareBazaar
TLSH 0BA26A03FFC96D03F83E393960B12A410BB96AD96945E347AF4DC1A55C4379B0A2E76C
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
181.235.6.84:1921

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
181.235.6.84:1921 https://threatfox.abuse.ch/ioc/145950/

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Factura Serfinanza021195259493613491059275144.exe
Verdict:
Malicious activity
Analysis date:
2021-06-23 02:39:14 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/d92dbea1-aa30-48c7-8c11-71fff5f4cadb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/167707/
Detection(s):
SecuriteInfo.com.ArtemisF4B8568B64C4.12223.24752.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/04a3dfc3-3925-465a-aca5-833a515b7c50
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/806343
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
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
Sigma detected: WScript or CScript Dropper
Tries to evade analysis by execution special instruction which cause usermode exception
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 438754 Sample: Factura Serfinanza021195259... Startdate: 23/06/2021 Architecture: WINDOWS Score: 100 95 Found malware configuration 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 Detected Remcos RAT 2->99 101 9 other signatures 2->101 11 Factura Serfinanza021195259493613491059275144.exe 15 4 2->11         started        15 ProService.exe 2->15         started        17 ProService.exe 2->17         started        process3 dnsIp4 91 apdocroto.gq 104.21.14.60, 49712, 80 CLOUDFLARENETUS United States 11->91 113 Hides threads from debuggers 11->113 115 Injects a PE file into a foreign processes 11->115 19 Factura Serfinanza021195259493613491059275144.exe 4 5 11->19         started        22 WerFault.exe 23 9 11->22         started        26 cmd.exe 1 11->26         started        28 WerFault.exe 11->28         started        30 WerFault.exe 15->30         started        32 WerFault.exe 15->32         started        36 2 other processes 15->36 34 WerFault.exe 17->34         started        38 3 other processes 17->38 signatures5 process6 dnsIp7 77 C:\Users\user\AppData\...\ProService.exe, PE32 19->77 dropped 79 C:\Users\...\ProService.exe:Zone.Identifier, ASCII 19->79 dropped 81 C:\Users\user\AppData\Local\...\install.vbs, data 19->81 dropped 40 wscript.exe 1 19->40         started        89 192.168.2.1 unknown unknown 22->89 103 Tries to evade analysis by execution special instruction which cause usermode exception 22->103 42 conhost.exe 26->42         started        44 timeout.exe 1 26->44         started        83 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 30->83 dropped 85 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 32->85 dropped 87 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 34->87 dropped 46 conhost.exe 36->46         started        48 timeout.exe 36->48         started        50 conhost.exe 38->50         started        52 timeout.exe 38->52         started        file8 signatures9 process10 process11 54 cmd.exe 1 40->54         started        process12 56 ProService.exe 3 54->56         started        59 conhost.exe 54->59         started        signatures13 105 Multi AV Scanner detection for dropped file 56->105 107 Machine Learning detection for dropped file 56->107 109 Contains functionality to steal Chrome passwords or cookies 56->109 111 5 other signatures 56->111 61 ProService.exe 56->61         started        64 WerFault.exe 56->64         started        67 cmd.exe 56->67         started        69 2 other processes 56->69 process14 dnsIp15 93 databasenash2020.online 181.235.6.84, 1921 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 61->93 75 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 64->75 dropped 71 conhost.exe 67->71         started        73 timeout.exe 67->73         started        file16 process17
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9882dda58a91a1e4ab56d6d3f7311ebd31d6bf8ad674484819110da1af0d0192/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcbn3jmksgq6jk2w23j7omi6xuy5np4k2z2eqsazceg2dlynagja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
7ae5ac27e29e826ac3a5e407f1f760aa6d239e8de85280886adc7bc4113cace0
RemcosRAT
843326e8aabda8025975ae55e6d36fcd8bb79e2e1a5f25e86303b82f16c3bac5
RemcosRAT
86992692d34557946a1fd9a96b11789d1ba43b74eb41eeb99181c53ec8c0840c
RemcosRAT
918dede163276d652ee3fc92b2ec93733850b27a31339e6e972536d168990506
RemcosRAT
a21b11bd7b89c961a73c2184f95b9eb6981e8aa5e06c0199070afe48d7bdf050
RemcosRAT
b20763ef2da523cc3f4dba41af4d4248bae939b8834c5a746bbff398431989d0
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
c40f80c23d8ff7cf3f28c2959f7017ac88cc12f7df50669c341a9a5add4bf76a
RemcosRAT
d7c0ef5975ecda4d1804b3e82d7eb8634f4f3f0bd3406087fc2aaa972d2d8bd8
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'809 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:proservices persistence rat
Link:
https://tria.ge/reports/210623-jctr1nywfa/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
databasenash2020.online:1921
Unpacked files
SH256 hash:
9882dda58a91a1e4ab56d6d3f7311ebd31d6bf8ad674484819110da1af0d0192
MD5 hash:
f4b8568b64c48cd42c52f825bbfd6104
SHA1 hash:
f7c87a2f1f087483d326a99163961235f7e6a894
Link:
https://www.unpac.me/results/6647b173-2741-46dc-8372-e9bf46c31ae0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/9882dda58a91a1e4ab56d6d3f7311ebd31d6bf8ad674484819110da1af0d0192

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/167707/

Comments