MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fcafbce9965e41f0788634133b69cd42bebc118aa2a5b8da11842b1e088ebb2. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fcafbce9965e41f0788634133b69cd42bebc118aa2a5b8da11842b1e088ebb2
SHA3-384 hash: 5dd0a524551065e608ec4070cb33e2e07c7595ee11576ab6b6f41a41d80cf5dec4ddde1c0b983b0cd0ec4364494916a5
SHA1 hash: 3189eb09c10fb1f2870b74f55a03b6d1828bd78c
MD5 hash: 3ddeeb6f01b9575650b29d5175fb63e9
humanhash: lemon-hydrogen-freddie-lithium
File name:SecuriteInfo.com.Win32.RATX-gen.19218
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:146'432 bytes
First seen:2022-09-27 04:12:01 UTC
Last seen:2022-09-27 11:40:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:CoHTKoFmIZ3inqhqXNoI6aDpj8xRbRBczSon0BZxAmXkLM657Z6s1OKhSt6WVN2y:CKTKu1gRtv6cWG
TLSH T15AE32018D5485FD5E202B678E5F8FF1D06108FA6B22EAB48D471B94278727CF3466C8E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9f197f3767531b47 (39 x Formbook, 12 x AgentTesla, 2 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/313767/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.19218.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/633278145291e4a063ec06a8/reports/11542233-f686-4bc5-9040-f7d9eadb1d2f/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/aa079eaf-a46b-4960-b8c9-42c1e6e87d04
Result
Threat name:
FormBook, Remcos
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Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1077968
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710514 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 6 other signatures 2->63 7 SecuriteInfo.com.Win32.RATX-gen.19218.exe 16 7 2->7         started        12 Ijeuxw.exe 2->12         started        14 Ijeuxw.exe 2->14         started        process3 dnsIp4 55 transfer.sh 144.76.136.153, 443, 49707, 49714 HETZNER-ASDE Germany 7->55 41 C:\Users\user\AppData\Roaming\...\Ijeuxw.exe, PE32 7->41 dropped 43 SecuriteInfo.com.W...X-gen.19218.exe.log, ASCII 7->43 dropped 67 Encrypted powershell cmdline option found 7->67 69 Writes to foreign memory regions 7->69 71 Injects a PE file into a foreign processes 7->71 16 aspnet_compiler.exe 2 18 7->16         started        21 powershell.exe 16 7->21         started        23 aspnet_compiler.exe 7->23         started        73 Multi AV Scanner detection for dropped file 12->73 file5 signatures6 process7 dnsIp8 45 obologs.work.gd 194.5.98.244, 4044, 49710, 49711 DANILENKODE Netherlands 16->45 47 geoplugin.net 178.237.33.50, 49713, 80 ATOM86-ASATOM86NL Netherlands 16->47 49 transfer.sh 16->49 37 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 16->37 dropped 39 C:\Users\user\AppData\Local\...\Ascksi[1].exe, PE32 16->39 dropped 65 Maps a DLL or memory area into another process 16->65 25 aspnet_compiler.exe 1 16->25         started        28 aspnet_compiler.exe 16->28         started        30 aspnet_compiler.exe 16->30         started        34 22 other processes 16->34 32 conhost.exe 21->32         started        file9 signatures10 process11 dnsIp12 75 Tries to steal Instant Messenger accounts or passwords 25->75 77 Tries to steal Mail credentials (via file / registry access) 25->77 51 192.168.2.1 unknown unknown 34->51 53 transfer.sh 34->53 79 Tries to harvest and steal browser information (history, passwords, etc) 34->79 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8fcafbce9965e41f0788634133b69cd42bebc118aa2a5b8da11842b1e088ebb2/
Threat name:
ByteCode-MSIL.Trojan.Bsymem
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Status:
Malicious
First seen:
2022-09-27 01:49:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
9 of 26 (34.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r7fpxtuzmxsb6b4imnathnu42qv6xqiyvivfxdnbdbbldyei5oza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:remcos botnet:remotehost campaign:hqbo collection persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220927-eshftsdehr/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Formbook
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/df4e0c74-8435-48dc-b2d8-a4e7654d0417
Unpacked files
SH256 hash:
8fcafbce9965e41f0788634133b69cd42bebc118aa2a5b8da11842b1e088ebb2
MD5 hash:
3ddeeb6f01b9575650b29d5175fb63e9
SHA1 hash:
3189eb09c10fb1f2870b74f55a03b6d1828bd78c
Link:
https://www.unpac.me/results/68253bfd-6354-4c12-bbe3-fcbefdfd9944/
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8fcafbce9965/report/overview.html
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/8fcafbce9965e41f0788634133b69cd42bebc118aa2a5b8da11842b1e088ebb2

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/313767/

Comments