MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b050135c86e320d55eb5fb549bceac9e809067755b4ecded9415ead15073f1e4. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b050135c86e320d55eb5fb549bceac9e809067755b4ecded9415ead15073f1e4
SHA3-384 hash: 097b46bd7d0a1464bee35f269724d90a5933a91c9873d1450259e0656964034f4877a94a931bc17a880741bc84daa917
SHA1 hash: 756e154cb74b83e10d7ac4142e0ee612eaf54553
MD5 hash: cbef940e42a6468fd0b8eafc5b6dc6c3
humanhash: enemy-cat-earth-mirror
File name:SecuriteInfo.com.W32.AIDetectNet.01.10610.12803
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:628'224 bytes
First seen:2022-04-19 05:35:20 UTC
Last seen:2022-04-19 07:53:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'741 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 6144:DBzN4ro/LWf7yLgiV2ttDztfXA8P84RKZKkCewmEaae9DTGnh2GtSRf926OtP213:Dpb3LfVoDt04EZKpStshhI9fpSzW0d
Threatray 1'166 similar samples on MalwareBazaar
TLSH T19CD4E04433EB4A12D56F5675B4E100DC8BF8FB9D651BD38A0FB439ED98A23412A12F27
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 8eaeaaaaaaa2b2aa (3 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/264487/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.10610.12803.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/625e4a45482f2f41cacfb5af/reports/19feca1e-b009-42ce-8c71-6c916991d302/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b442a37c-d5e2-4a2e-b4cf-c6023395c8da
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/978631
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b050135c86e320d55eb5fb549bceac9e809067755b4ecded9415ead15073f1e4/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-04-19 01:43:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbibgxeg4mqnkxvv7nkjxtvmt2ajaz3vlnhm33mucxvncudt6hsa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
13e6341cacb27fdd36b2ce19395dbb02947f0c917b6fd10447f1d6381d51b7d4
RemcosRAT
2b4f835074c6087f722082a81793f1ef6c2e04e8bb98a2deff6eadaa886aa597
RemcosRAT
2eb44403d1de2a792569f63907f746809e3d4e35fccf689c2e637f77df79254c
RemcosRAT
319d243495674c304b394ebaf3e7265ac58f7e7f6ef0e727fd4cab977d939586
RemcosRAT
3f8e7640849ec23964af23d6e70ccc62510a3cec9bd775b30d18d5db7215a22b
RemcosRAT
4860f15c7870ac1d09c5aad7e6754eb34afd4b0f6341fd452049257513951ffe
RemcosRAT
4f14869462f86c5a12b59e1947f407f39af25bab309058102715cda4bbf69cea
RemcosRAT
91e8ea3e431c0ad9faf6dfe01eb29e4834940054379deb8b657d9cbe23e91682
RemcosRAT
ae51f5b12195c2ce67b7bcb6f2f97844b7abd02ea94026a60080ba5060a19a18
RemcosRAT
b67741cbd39464c7526c9cda83175c342aaba91fb990dd96d60083d028f00228
RemcosRAT
+ 1'156 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:kelvsy rat
Link:
https://tria.ge/reports/220419-gakjksage6/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
boysgoblow.hopto.org:7838
Unpacked files
SH256 hash:
9fd7542931bc833c4505c02b0ab4563c1f44040627205f939570ce058ea18da4
MD5 hash:
b4709ab06c5271e09588cc2d5bfbf71f
SHA1 hash:
8bf3201479337447ab0260f5bb110a0ffe79315c
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/01034b79-303a-4d3f-a0fa-1808372e27a8/
Parent samples :
c4e5704c7dafab5ebed7712c707789ba22a9b6fef1f9be7cd37c123ff4a46c5e
5b64cf98d7f7b553255937f5433efb7711dd656df2b88156fc47d4fefba6d60a
edb4f21cf9cdd624c48635267f125283b06fcfccc7320e404a9357a81f74a662
b050135c86e320d55eb5fb549bceac9e809067755b4ecded9415ead15073f1e4
2eb308e9a059ac2177f0610d72cc27fa61ded5dbacea0428cf76982404cd5d56
SH256 hash:
5bdfa82b3aaf6f8be44c282e91c34b0de391200115fb1df19fc0dd5b5e315d83
MD5 hash:
9663f6a0dba445ddea56c6a22883359d
SHA1 hash:
1e811286c196cdc2dbaab3a6e25e3594823ef56d
Link:
https://www.unpac.me/results/01034b79-303a-4d3f-a0fa-1808372e27a8/
SH256 hash:
b050135c86e320d55eb5fb549bceac9e809067755b4ecded9415ead15073f1e4
MD5 hash:
cbef940e42a6468fd0b8eafc5b6dc6c3
SHA1 hash:
756e154cb74b83e10d7ac4142e0ee612eaf54553
Link:
https://www.unpac.me/results/01034b79-303a-4d3f-a0fa-1808372e27a8/
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/b050135c86e320d55eb5fb549bceac9e809067755b4ecded9415ead15073f1e4

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/264487/

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