MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a
SHA3-384 hash: 87accca3aeabdcc2498caba9a54fb807048056e489c9413a1dc2e334ff7f1c8732f8a4e12b350dde555619abb5c6cb30
SHA1 hash: 425198f041d6ec31df61f7622889d1ba29b0def5
MD5 hash: 27dee3ad8afbebda1a1bc1caeb41671c
humanhash: neptune-alanine-papa-north
File name:file
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'316'109 bytes
First seen:2024-11-27 14:30:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 24576:MA73Eh5w49Br+ll3A11p2M30D7asFooAXWchbn5EVOHLvaRikkv9yq:Np2wC0DdFooAXFLyRiZvb
TLSH T1DD5523E53F6C0831FC212E7156B89E03AF7DAD616949C79F27C4FAA96830F410921B1B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 1cfcd4949080a3a0 (1 x RemcosRAT)
Reporter Bitsight
Tags:exe RemcosRAT


Avatar
Bitsight
url: http://31.41.244.11/files/951752454/bqYJhTp.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
409
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-27 14:35:48 UTC
Tags:
rat remcos remote evasion autoit autoit-loader
Link:
https://app.any.run/tasks/4b8bc4fe-9471-496a-a60d-f80b489699e4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67472cecb31374f098352897
Tags:
autoit emotet gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Launching cmd.exe command interpreter
DNS request
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/67472cec181d3bdd6bb54b23/reports/9234db07-dcd8-432d-a494-72bd887ddc64/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d5963187-2c13-4528-84c3-467c7690d254
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1563855
Signature
AI detected suspicious sample
Drops PE files with a suspicious file extension
Sigma detected: Drops script at startup location
Sigma detected: Search for Antivirus process
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1563855 Sample: file.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 72 47 spydyVFuHEQgZlnsPNuxwoKNcns.spydyVFuHEQgZlnsPNuxwoKNcns 2->47 51 Sigma detected: Search for Antivirus process 2->51 53 Sigma detected: Drops script at startup location 2->53 55 Sigma detected: WScript or CScript Dropper 2->55 57 AI detected suspicious sample 2->57 10 file.exe 24 2->10         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\Temp\Whale, PE32 10->45 dropped 16 cmd.exe 3 10->16         started        61 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->61 20 CyberFox.scr 13->20         started        signatures6 process7 file8 37 C:\Users\user\AppData\Local\...\Stretch.com, PE32 16->37 dropped 49 Drops PE files with a suspicious file extension 16->49 22 Stretch.com 4 16->22         started        26 cmd.exe 2 16->26         started        28 conhost.exe 16->28         started        30 6 other processes 16->30 signatures9 process10 file11 41 C:\Users\user\AppData\Local\...\CyberFox.scr, PE32 22->41 dropped 43 C:\Users\user\AppData\Local\...\CyberFox.js, ASCII 22->43 dropped 59 Drops PE files with a suspicious file extension 22->59 32 cmd.exe 2 22->32         started        signatures12 process13 file14 39 C:\Users\user\AppData\...\CyberFox.url, MS 32->39 dropped 35 conhost.exe 32->35         started        process15
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wi2t2pk7t7bb3m2nbhbpw3co5ypzmloi7domcisnalc4fx7krfva._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:csrss discovery rat
Link:
https://tria.ge/reports/241127-rt5zqsxkfy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
154.216.18.132:6767
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/26291f93-26b6-4947-a8d1-7191989928eb
Unpacked files
SH256 hash:
e3a9c85e262e28cbbe1eb165a9d7ad14581877df8f09a8e3c83ac27cd00db15f
MD5 hash:
646c090f9bd2c9bcf12f29b29493ff49
SHA1 hash:
ece0ed94e1b3df384588960c5c2c0aa8747c36a0
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/4872962b-be2e-478f-9511-2a8aefe33b10/
Parent samples :
9e495b41518154b5c5cb3fff866aa26c894adf164b2639f05ba23bb5e75be5ef
94d8ffeddd3cef50a4d5b09eb5335098e60879996d0d57f72dad14b9289fcc46
459a487f878041e1c2968d416ebe4fcf021a754c5538f979999294c998902a77
fd6bb9e388fa42c414eacafd6a094c746391fdd467584ac5af83883c29b88384
e1cad26aac03cce870bebd429bf63acecab4cc68ad54e0227f0fcd6031842f15
6586cb8766c14a87330bf6c79a7cbd7cbff3ca9da63574a9c348645117d08f14
66f138849b45ba75c5e99484739c990056387b676eeadf66e32f1f27dd6b9c6d
d318debebe45471d91a5a0f7ce27ee3335f929f3a724f00751b3db4692631480
35ed65d9919843300db648bf93ae57d7330095eb1ce18d6c6050db88a2e4f297
d8c5c0574941e9875096036ecdc812ec7ebd4cbaffc8e88b951c32943515b26a
bcbdd1065dc9b66a07d5a55ae135c6094d3adf281096f55fbab12b48f84edc79
c418f6d5142f3f9c830a5750014cc233a12775f5d252ed02a62f45415dd6dd32
ebde60210d709f94cd3049159931e37d4ce84d9e8ea9b464cdfe76de3735f007
1301ec3006ad03742bfaef047aa434320aa0e725a99be5d6be27b955a814fcf4
46b8ec4f65622595233743e8277a2980f69f866e6edd3a2ec610d0f2872a1e5f
086cadedfdf7ccdd1ff9405f8bed27d6613c109689fc179ad4aadf55b8b9d266
8f8a2176880d870914390bb2b62a538a0491ae0fc353b3b845acec0dd3751794
4491901eff338ab52c85a77a3fbd3ce80fda738046ee3b7da7be468da5b331a3
2a7c7e04a56153889550910aa2213bc54bd557dff8156d816dc0f9afc28c89a5
538af0e39f24f16e4e52cad03295a359304d8f458c1fe18d0681e884112f2185
98065d6412208ad37fa33aa5b4e3dfe5c80a7b129ce4b40e6ce23791e950796c
52e0cbff2668721903eb33bf77b706a1891f718e8fee81c505f1a035daaf238d
151247e9379a755e3bb260cca5c59977e4075d5404db4198f3cec82818412479
f3ba41ba0b508b0965153c1688d6df6de6b3fdf59b01582d140d17d8131f658d
f44d71a0bea0171b085d6918f3341708e1276ce266990882c69887c2e9aaf636
a274888d26740b535e8b11f4e55248229c0a1625e6ba4f08860687565e61641d
d3b3da570c489317ccaa129c2c66cc8765afaf20b5e4ccc24a88dd6b90e64920
b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a
5a4692e821ef88f689144312c8f273d7e1599d44e8a26952ff7b9f62c4138f02
0c030610c04f5144d0e5db5f08f572a3033cbe22a907919d22a18ba4661f56ab
b2f061dcf88efc1f6aab360bb024720744263883f8f7954459821a9415774d83
17769137dcd00c16e0310c531df0e2f2281bae750da28d435b991c688e1a2ba2
bfb2f9d907fb7da9663919710b73560ee111cf45c381fc97c5713e4733b8d8a3
37919954152f36fb936ba48b6418c1172471ff9cc4627a7f3f941353e2c17b91
6092579a997945b10d3f279693baa004d180417ccfec941c45eb20705a2b4706
9262348e1aa8c196cd38efcca58146dca6c40ad5132744f96e6b7ced57eb8fcd
28773fb2aff96e836707d9ffd5e8aa706d0ce54c956fbee42b9dd9b150e997e8
44573a7526d5053a28d4e3e70c6ad8adf8eec148d8fe81302140b6bb3df179c0
SH256 hash:
b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a
MD5 hash:
27dee3ad8afbebda1a1bc1caeb41671c
SHA1 hash:
425198f041d6ec31df61f7622889d1ba29b0def5
Link:
https://www.unpac.me/results/4872962b-be2e-478f-9511-2a8aefe33b10/
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/b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

RemcosRAT

Executable exe b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3308510/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments