MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8cac456b3e4a072d16142f0dd9f9b0500013cfefe7359e4293d4cff61f9eaf7. 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: 11


Intelligence 11 IOCs 1 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8cac456b3e4a072d16142f0dd9f9b0500013cfefe7359e4293d4cff61f9eaf7
SHA3-384 hash: 7fa9b15d054b3261ad5dd4dc3c7c9dcc67f5f89f4726a10bef12df8b7b8802f40b3d902e2c35d24ef2c6664415ef02a0
SHA1 hash: c5606c21b84a858ed7b54da2a7f17802fffcddb3
MD5 hash: e13f7ded8bfc14808ca964c5dec10b9f
humanhash: double-thirteen-whiskey-carpet
File name:Factura Serfinanza106109596363318359608727771.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'916'416 bytes
First seen:2021-05-03 00:45:22 UTC
Last seen:2021-05-03 01:00:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 1536:bOFGPM1h6CJKA/44b4cyEuE3GPAWOGSh4uSRIG1meGemZ8sFmCacjeEOyzIhm2O+:byGU1wWtIz85dr8wdBYBSVm
Threatray 1'745 similar samples on MalwareBazaar
TLSH 10953F762BA1540D8907B5E230CCBFFE8D9EDA7159B0117586219303FF58392AEA17E3
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
186.169.72.174:3521

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
186.169.72.174:3521 https://threatfox.abuse.ch/ioc/28069/

Intelligence

File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/148025/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
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.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/706761
Signature
.NET source code contains very large strings
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 domain / URL
Multi AV Scanner detection for dropped file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 402301 Sample: Factura Serfinanza106109596... Startdate: 03/05/2021 Architecture: WINDOWS Score: 100 79 Multi AV Scanner detection for domain / URL 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 12 other signatures 2->85 11 Factura Serfinanza106109596363318359608727771.exe 3 2->11         started        14 PxxoServicesTrialNet1.exe 2->14         started        16 PxxoServicesTrialNet1.exe 2->16         started        process3 signatures4 95 Hides threads from debuggers 11->95 97 Injects a PE file into a foreign processes 11->97 18 Factura Serfinanza106109596363318359608727771.exe 4 5 11->18         started        21 cmd.exe 1 11->21         started        23 WerFault.exe 23 9 11->23         started        25 cmd.exe 14->25         started        27 PxxoServicesTrialNet1.exe 14->27         started        29 WerFault.exe 14->29         started        31 cmd.exe 16->31         started        33 PxxoServicesTrialNet1.exe 16->33         started        35 WerFault.exe 16->35         started        process5 file6 71 C:\Users\user\...\PxxoServicesTrialNet1.exe, PE32 18->71 dropped 73 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 18->73 dropped 37 wscript.exe 1 18->37         started        39 conhost.exe 21->39         started        41 timeout.exe 1 21->41         started        43 conhost.exe 25->43         started        45 timeout.exe 25->45         started        47 conhost.exe 31->47         started        49 timeout.exe 31->49         started        process7 process8 51 cmd.exe 1 37->51         started        process9 53 PxxoServicesTrialNet1.exe 3 51->53         started        56 conhost.exe 51->56         started        signatures10 87 Multi AV Scanner detection for dropped file 53->87 89 Machine Learning detection for dropped file 53->89 91 Hides threads from debuggers 53->91 93 Injects a PE file into a foreign processes 53->93 58 PxxoServicesTrialNet1.exe 53->58         started        61 cmd.exe 53->61         started        63 WerFault.exe 53->63         started        65 PxxoServicesTrialNet1.exe 53->65         started        process11 dnsIp12 75 databasepropersonombrecomercialideasearchwords.services 186.169.72.174, 3521, 49725 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 58->75 67 conhost.exe 61->67         started        69 timeout.exe 61->69         started        77 192.168.2.1 unknown unknown 63->77 process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e8cac456b3e4a072d16142f0dd9f9b0500013cfefe7359e4293d4cff61f9eaf7/
Threat name:
Win32.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2021-05-03 00:46:11 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5dfmivvt4sqhfulbilyn3h43auaacph67zzvtzbjhvgp6ypz5l3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0769c1487705fd65aeacdd813882e532d3bbd4ffa7106a2015bac448d8091bbb
RemcosRAT
4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251
RemcosRAT
4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
RemcosRAT
522a495b289cf22898f762f18571b8839194e6232cb80fbb28dc426cbeeee323
RemcosRAT
622a12c9935eb8f0cfa499bb445642a837fa150a161e5393f7a1d759e6f94f02
RemcosRAT
833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4
RemcosRAT
ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
cee5cdde8972799268ab97a77880793470dfc0d93c5e697bb66f83b6675f51ba
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'735 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210503-g95x56ajea/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:3521
Unpacked files
SH256 hash:
6eeaf94d6ed8fd68050e0616716a31fca0d127511daffbf54073baff79b94d83
MD5 hash:
90db17e7a38bb1cc41ed3e16e0687fa6
SHA1 hash:
1a1e1aa02a6e3aa066029e3ea7697a95429b3fac
Link:
https://www.unpac.me/results/99c7464e-dde1-4ea0-806e-733da34a0561/
SH256 hash:
21f1249ffbec2319ff27298d13d55743c89e99f2eb15fbdebd179b4ab712e384
MD5 hash:
4ac303cc604780c91619eda65e514e39
SHA1 hash:
13e89ff062087942c4ab57bf9c1371bfccbd9544
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/99c7464e-dde1-4ea0-806e-733da34a0561/
SH256 hash:
e8cac456b3e4a072d16142f0dd9f9b0500013cfefe7359e4293d4cff61f9eaf7
MD5 hash:
e13f7ded8bfc14808ca964c5dec10b9f
SHA1 hash:
c5606c21b84a858ed7b54da2a7f17802fffcddb3
Link:
https://www.unpac.me/results/99c7464e-dde1-4ea0-806e-733da34a0561/
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/e8cac456b3e4a072d16142f0dd9f9b0500013cfefe7359e4293d4cff61f9eaf7

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: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: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/148025/

Comments