MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32
SHA3-384 hash: 7084ae7670d62a1748282aac68e86644753c10173a0826c12c8ef7a7767b52c8ecd2eb9881ed295379c5795c547dba04
SHA1 hash: 26a6430413747bc652705a97b663cceb5018712e
MD5 hash: 7f7ceee3ca0561325ff8bcdf6b682199
humanhash: pluto-carpet-vermont-oven
File name:7f7ceee3ca0561325ff8bcdf6b682199
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'107'968 bytes
First seen:2022-10-08 04:55:19 UTC
Last seen:2022-10-08 08:04:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:aoFBkPPpLnSWGt8NZthzcKvEuwrTHr/0+hYLDdOs9aMd:zFyhnrGtitxc/uWHrLYs
Threatray 2'947 similar samples on MalwareBazaar
TLSH T1B4351288B64171CFC95FDF76EE942C61DB703832731BD287D48716AC685DA9A8B042E3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d02f2b3337297b96 (20 x RemcosRAT, 4 x AgentTesla, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317811/
Detection(s):
SecuriteInfo.com.Variant.MSILPerseus.238213.12701.19493.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Creating a file
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634102e25c60ccc9fcff6b5e/reports/e758b290-5c15-41b1-9a04-2a593b084b7b/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9c79d504-9519-4757-89e1-d7326ecb6463
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1086164
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 delay execution (extensive OutputDebugStringW loop)
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: 718718 Sample: SCqrSamX5t.exe Startdate: 08/10/2022 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 7 other signatures 2->67 10 SCqrSamX5t.exe 3 2->10         started        13 dos.exe 2 2->13         started        15 dos.exe 2->15         started        17 dos.exe 2 2->17         started        process3 file4 55 C:\Users\user\AppData\...\SCqrSamX5t.exe.log, ASCII 10->55 dropped 19 SCqrSamX5t.exe 5 4 10->19         started        22 dos.exe 13->22         started        24 dos.exe 13->24         started        26 dos.exe 15->26         started        28 dos.exe 15->28         started        30 dos.exe 17->30         started        process5 file6 49 C:\Users\user\AppData\Roaming\dos.exe, PE32 19->49 dropped 51 C:\Users\user\...\dos.exe:Zone.Identifier, ASCII 19->51 dropped 53 C:\Users\user\AppData\Local\...\install.vbs, data 19->53 dropped 32 wscript.exe 1 19->32         started        process7 process8 34 cmd.exe 1 32->34         started        process9 36 dos.exe 3 34->36         started        39 conhost.exe 34->39         started        signatures10 69 Multi AV Scanner detection for dropped file 36->69 71 Machine Learning detection for dropped file 36->71 73 Tries to delay execution (extensive OutputDebugStringW loop) 36->73 41 dos.exe 15 36->41         started        45 dos.exe 36->45         started        47 dos.exe 36->47         started        process11 dnsIp12 57 amegroupofschoos32.sytes.net 81.161.229.136, 4820, 49703 CMCSUS Germany 41->57 59 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 41->59 75 Installs a global keyboard hook 41->75 signatures13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32/
Threat name:
ByteCode-MSIL.Trojan.Perseus
Create hunting rule
Status:
Malicious
First seen:
2022-10-06 17:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gxncgsrfvdqfu5el3m6q5hfnaqvdzlalcogv5hif737i5vrl5uza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
3c21819ed32b31c231e20b51b1f956e4160a7b8dbfe7468b096ce64b4b138007
RemcosRAT
47dabe278b8a171986b17e69ac9fac43657c11eb3c2c1523848074e0cfe6a57f
RemcosRAT
89adcb90dcc56d8e5b6cab4fce35a7ea8619ed9d47a5a947aaf4f34cb42c5021
RemcosRAT
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
RemcosRAT
+ 2'937 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:ud-host persistence rat
Link:
https://tria.ge/reports/221008-fkn43secgk/
Behaviour
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 SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
amegroupofschoos32.sytes.net:4820
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b5104058-aff1-4878-95d9-1a6b41c9d6e8
Unpacked files
SH256 hash:
488d9b55a7561e63708a43fdd74c7ae9cab68b757029b23aee2615dde5207056
MD5 hash:
e0e375f80ca9da96bde8c0e3a931c25d
SHA1 hash:
d135e789fc62310fee3849cf02475216ae91d56c
Link:
https://www.unpac.me/results/7864ad06-0384-4067-9786-c2bd713b3500/
SH256 hash:
e7e8d2554b3edfd9ad9f50d7f8011fa3d3d9aa78f008051aaa2bb2a78358872a
MD5 hash:
82d34b57ae69d23a6cd30916c43f34fc
SHA1 hash:
1a5e8669d78d9c5d4fa80505757b7abea4602fc2
Link:
https://www.unpac.me/results/7864ad06-0384-4067-9786-c2bd713b3500/
SH256 hash:
25f7c5d75a5c407b675d76ac54df3ca54b31de51ac64114f98c424027175f60c
MD5 hash:
f20c8e9ee4858bf0cc90bb06fe7024b3
SHA1 hash:
0d67ae6bb9f1f2301b345b2e1e2948d64ab246a4
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/7864ad06-0384-4067-9786-c2bd713b3500/
Parent samples :
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32
SH256 hash:
e6d9b79f1fce00516975e38b83ac2e1f51ec7983c11d2451078a4b4278bb1097
MD5 hash:
074c8c8f6384351d59180cad76b09392
SHA1 hash:
ed77ff81cbf6754d4620837616233d9efbe09269
Link:
https://www.unpac.me/results/7864ad06-0384-4067-9786-c2bd713b3500/
SH256 hash:
35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32
MD5 hash:
7f7ceee3ca0561325ff8bcdf6b682199
SHA1 hash:
26a6430413747bc652705a97b663cceb5018712e
Link:
https://www.unpac.me/results/7864ad06-0384-4067-9786-c2bd713b3500/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35da234a25a8/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/35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32

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.

Web download

RemcosRAT

Executable exe 35da234a25a8e05a748bdb3d0e9cad042a3cac0b138d5e9d05fefe8ed62bed32

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2353723/
Cape
Cape
https://www.capesandbox.com/analysis/317811/

Comments


Avatar
zbet commented on 2022-10-08 04:55:29 UTC

url : hxxp://85.31.46.80/UUF.exe