MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313
SHA3-384 hash: c83d73c8f07d608c972963aca28bb386b1abfe644785085035bb073160950caa3279efff5881b6d5d328da3a123f9cc5
SHA1 hash: e88c6d910c167ab1f9581771f91d91f29c346ea0
MD5 hash: 40e0ad7247f2f8c810d4693345e6e0a2
humanhash: pennsylvania-november-ack-hawaii
File name:SecuriteInfo.com.Trojan.Inject4.38260.21589.11633
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:886'784 bytes
First seen:2022-07-31 18:43:31 UTC
Last seen:2022-08-01 09:30:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Z8w2HjPtGn7veQGJjI8urDIGl9waHkHFpIbqRQ6fRxJOdSxTPUJcUIZ/hQXy:iTtwcJjImGlh4pIbP6ZxJ2cEcUIJH
Threatray 2'446 similar samples on MalwareBazaar
TLSH T18B1523D073918278DEAECB391850615407BCEB82F666C3593FC31DEB58E37604652B6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
332
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma_20220731.xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-01 09:26:08 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/1dd478cc-d3e8-4d4f-96e6-b2e38b4d3858

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/295407/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.38260.21589.11633.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
fareit packed remcos wacatac
Link:
https://www.filescan.io/uploads/62e6cdb06336465f2afd74a7/reports/411e60e4-1bb4-46ef-a4a1-2e9641ee8e96/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce33eb34-d5ca-4bb0-9b61-fa2e09e7cfae
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1043843
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676337 Sample: SecuriteInfo.com.Trojan.Inj... Startdate: 31/07/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 8 other signatures 2->58 10 SecuriteInfo.com.Trojan.Inject4.38260.21589.exe 3 2->10         started        14 i0s.exe 2 2->14         started        16 i0s.exe 2 2->16         started        process3 file4 46 SecuriteInfo.com.T...38260.21589.exe.log, ASCII 10->46 dropped 62 Contains functionality to steal Chrome passwords or cookies 10->62 64 Contains functionality to inject code into remote processes 10->64 66 Contains functionality to steal Firefox passwords or cookies 10->66 68 Delayed program exit found 10->68 18 SecuriteInfo.com.Trojan.Inject4.38260.21589.exe 4 4 10->18         started        70 Injects a PE file into a foreign processes 14->70 21 i0s.exe 14->21         started        23 i0s.exe 16->23         started        signatures5 process6 file7 40 C:\Users\user\AppData\Roaming\i0s.exe, PE32 18->40 dropped 42 C:\Users\user\...\i0s.exe:Zone.Identifier, ASCII 18->42 dropped 44 C:\Users\user\AppData\Local\...\install.vbs, data 18->44 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 i0s.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 72 Multi AV Scanner detection for dropped file 29->72 74 Machine Learning detection for dropped file 29->74 76 Injects a PE file into a foreign processes 29->76 34 i0s.exe 2 14 29->34         started        38 i0s.exe 29->38         started        process12 dnsIp13 48 davidwongwarzone.zapto.org 212.192.246.243, 2030, 49743 RHC-HOSTINGGB Russian Federation 34->48 50 geoplugin.net 178.237.33.50, 49744, 80 ATOM86-ASATOM86NL Netherlands 34->50 60 Installs a global keyboard hook 34->60 signatures14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-07-31 18:44:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmyf6h2put26xy5tfoqxanvrwkh6xph6zwtsm2rzzdikuiobemjq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f04d67901cbdd7f63f9aaf7c5e8493e8d5f4347df701f214232c761d489aeba
RemcosRAT
36ee4cc36b92868bf1c674cacd2cf48eaf5b0fc29fba0e1e9dc13aa920b7ee32
RemcosRAT
3e19a176f456db3316b84a9a5bedaeae9323a65d035d285c486b518829aaa5d4
RemcosRAT
41dbd50dec8697c71e8feea9912873500ae7061955e1331ac9e657041b7b57f8
RemcosRAT
6e32755e959eedb7b200382f137bf89e6319644ffab4b52322c70f1d0e4f11e7
RemcosRAT
703b4d505cd05c228e0cf681a542262dc98211cf2e4eb26102283b5b7efa29ee
RemcosRAT
910d9b435b172c50ad6cde23d820b4e1f07197e82ecdece15a74fbe750584378
RemcosRAT
e0a8b8380ed35be0a267e659c87dc6f909981f9100f679515de3d8e550f5da61
RemcosRAT
e93e5b0f594a010610642083421a9609b380eed335cba10a1138ca31e44c4166
RemcosRAT
+ 2'436 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:gee uk persistence rat
Link:
https://tria.ge/reports/220731-xdfykabfg2/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
8beaae0a7b230280da4e59e281fd0e3cf82e6c5719859af5dbf410e5b729fa22
MD5 hash:
3e43f49685664dde1bec1664fd71d88c
SHA1 hash:
a7f86bc48bf04f6032acd30c2370e32e8be0610e
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e669ae57-19e5-4807-b609-d326bc2c7570/
Parent samples :
36ee4cc36b92868bf1c674cacd2cf48eaf5b0fc29fba0e1e9dc13aa920b7ee32
2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
Link:
https://www.unpac.me/results/e669ae57-19e5-4807-b609-d326bc2c7570/
SH256 hash:
e975470b527fba248e92bfd074e4977f23d883adcdedc817d93cba2f63bbee22
MD5 hash:
aa18268a341619dffaaaa290f7636eb1
SHA1 hash:
7bd6d952e444c27aa62fe7788d4bdddc7e07dd2b
Link:
https://www.unpac.me/results/e669ae57-19e5-4807-b609-d326bc2c7570/
SH256 hash:
ea0e26933f09077d63e3066b674585e7d33ddc38fa70aaa5f9eca47fb383bbc8
MD5 hash:
e4ad049c8e22ffd4fe4b357c3576c994
SHA1 hash:
1840d8bd288798218e52c13ed1f0aa661b163031
Link:
https://www.unpac.me/results/e669ae57-19e5-4807-b609-d326bc2c7570/
SH256 hash:
2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313
MD5 hash:
40e0ad7247f2f8c810d4693345e6e0a2
SHA1 hash:
e88c6d910c167ab1f9581771f91d91f29c346ea0
Link:
https://www.unpac.me/results/e669ae57-19e5-4807-b609-d326bc2c7570/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b305f1f4fa4/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/2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
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:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe 2b305f1f4fa4f5ebe3b32ba17036b1b28febbcfecda7266a39c8d0aa21c12313

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2263158/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/295407/

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