MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 253ec23e3db30683bfed20ee25778f5632b700aaf411c498cb092ea18e0eb5cc. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 253ec23e3db30683bfed20ee25778f5632b700aaf411c498cb092ea18e0eb5cc
SHA3-384 hash: f197ff5977fe4430b24f0f6e2e8a9c64a219069f07de2048fb68015c8ae13ac8b21369f3894f5b4507045a892c8bc194
SHA1 hash: 1fa470b2d3569cb1b61436a2aaeadc6d916e7a54
MD5 hash: c5bfbb66c7e3eb946107feb15d7181c2
humanhash: vermont-blossom-music-purple
File name:SecuriteInfo.com.W32.AIDetectNet.01.4744.24589
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:12'288 bytes
First seen:2022-08-08 05:33:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 192:pJmsYlzhafEZaG6I2dSjzYezLX2zzcDZPJ:pJ6BhafEsFI2dSnXqyP
Threatray 1'721 similar samples on MalwareBazaar
TLSH T16342734BD3C89A71D93B473AA85292B60161B745DCFD8E2D34B87807BC733C20692D2B
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 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.4744.24589
Verdict:
Suspicious activity
Analysis date:
2022-08-08 05:34:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9abb3518-4647-4416-829f-d9dd636dcbac

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/297048/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.4744.24589.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f0a0189ca9b9bfcbf36141/reports/ea7da105-9871-4b7b-bf91-18e61298857a/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/4c46de51-5372-4e72-a6dd-378dba063bd0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047700
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680190 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected Remcos RAT 2->65 67 5 other signatures 2->67 7 SecuriteInfo.com.W32.AIDetectNet.01.4744.exe 16 7 2->7         started        12 Yhpwllk.exe 14 3 2->12         started        14 Yhpwllk.exe 2 2->14         started        process3 dnsIp4 59 transfer.sh 144.76.136.153, 443, 49739, 49850 HETZNER-ASDE Germany 7->59 43 C:\Users\user\AppData\Roaming\...\Yhpwllk.exe, PE32 7->43 dropped 45 C:\Users\user\...\Yhpwllk.exe:Zone.Identifier, ASCII 7->45 dropped 47 SecuriteInfo.com.W...Net.01.4744.exe.log, ASCII 7->47 dropped 71 Encrypted powershell cmdline option found 7->71 73 Writes to foreign memory regions 7->73 75 Injects a PE file into a foreign processes 7->75 16 aspnet_compiler.exe 2 16 7->16         started        21 powershell.exe 14 7->21         started        77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 23 powershell.exe 12->23         started        file5 signatures6 process7 dnsIp8 49 obologs.work.gd 194.5.98.244, 4044, 49853, 49854 DANILENKODE Netherlands 16->49 51 geoplugin.net 178.237.33.50, 49856, 80 ATOM86-ASATOM86NL Netherlands 16->51 53 transfer.sh 16->53 39 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 16->39 dropped 41 C:\Users\user\AppData\Local\...fosi[1].exe, PE32 16->41 dropped 69 Maps a DLL or memory area into another process 16->69 25 aspnet_compiler.exe 16->25         started        28 aspnet_compiler.exe 16->28         started        30 aspnet_compiler.exe 16->30         started        36 8 other processes 16->36 32 conhost.exe 21->32         started        34 conhost.exe 23->34         started        file9 signatures10 process11 dnsIp12 81 Tries to steal Instant Messenger accounts or passwords 25->81 83 Tries to steal Mail credentials (via file / registry access) 25->83 55 192.168.2.1 unknown unknown 36->55 57 transfer.sh 36->57 85 Machine Learning detection for dropped file 36->85 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/253ec23e3db30683bfed20ee25778f5632b700aaf411c498cb092ea18e0eb5cc/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-08-08 04:23:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eu7mepr5wmdihp7nedxck54pkyzloafk6qi4jgglbexkddqowxga._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
22f9a7a8f42d3d3c49c8868d8013d56e54fcdcde9c020fb03bad42903f77279c
RemcosRAT
6d16f6ecb3a446d0c6bfa0fc7a47dabac2e63cebfa426f4502a5bcecf378c645
RemcosRAT
77ed7f099d383a993b3ee6383ec343a3eda6b117f53febd01a1dc10c63cfea09
RemcosRAT
8342c94ddfd4cca232e9d1cd5faed48fdce02a694b062606b938401b502a0c30
RemcosRAT
9433ec5758b48a6193b6b80ac03df0acf553d2ebeba04d84b6dbec9558a6e035
RemcosRAT
9a6542e7da5c82465fd053f020d82161a8995c3353b58ac9b3e085d70d9ecf8d
RemcosRAT
a6abf72d95dac9ba6e6e4b53d9cbcd013846660a18ac5b9eeacb6cd87c783a2c
RemcosRAT
ebcb09c56c09245ba10f231b7d4bfacdb5615ee6e3820f479f0a0d6488759668
RemcosRAT
f9d08335a32ecefc895aacd51ffbf87e242e681b96b4515b4e3a6627b538f229
RemcosRAT
+ 1'711 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/220808-f8wh3agbg5/
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
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Unpacked files
SH256 hash:
253ec23e3db30683bfed20ee25778f5632b700aaf411c498cb092ea18e0eb5cc
MD5 hash:
c5bfbb66c7e3eb946107feb15d7181c2
SHA1 hash:
1fa470b2d3569cb1b61436a2aaeadc6d916e7a54
Link:
https://www.unpac.me/results/ea7fd773-f3b5-4be5-b6ea-0f3db31af491/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/253ec23e3db3/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/253ec23e3db30683bfed20ee25778f5632b700aaf411c498cb092ea18e0eb5cc

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
Create hunting rule
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/297048/

Comments