MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94. 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: 15


Intelligence 15 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94
SHA3-384 hash: b72a365e75c2b74768954553b3c56f607d3492499b790e28c86841ac7cdf1de1c539b7f9d81575c36862e79f0cdd00e5
SHA1 hash: 1717108652dc0997354d9cbf31d0eb2fada5e685
MD5 hash: 7ef2c71c74e2d5f76c26859468fa527f
humanhash: black-violet-thirteen-mississippi
File name:1707299708fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2764.dat-decoded
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:494'592 bytes
First seen:2024-02-07 09:55:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d5087ff5de35c3fbb9f212b47d63cad (170 x RemcosRAT)
ssdeep 6144:cXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNp5Gv:cX7tPMK8ctGe4Dzl4h2QnuPs/Zs8cv
Threatray 3'440 similar samples on MalwareBazaar
TLSH T1FDB49E01BAD1C072D57524300D3AF776EAB8BD2028364A7B73D61D5BFE31190B62A6B7
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:base64-decoded exe RemcosRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
323
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/475110/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto evasive exploit explorer fingerprint fingerprint hook keylogger lolbin shell32
Link:
https://www.filescan.io/uploads/65c353c6127ab8eb4100d18b/reports/59e30aad-68a8-4cf1-8c4f-591320f3f2b2/overview
Verdict:
Malicious
Labled as:
Remcos.Generic
Link:
https://www.hybrid-analysis.com/sample/8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/95a6424c-8b39-496b-a1e2-57da9f87c87f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388232
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected unpacking (changes PE section rights)
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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)
Tries to steal Mail credentials (via file registry)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388232 Sample: 1707299708fe68d766634a68fba... Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 18 lora1.taiwantradeglobal.com 2->18 20 geoplugin.net 2->20 26 Multi AV Scanner detection for domain / URL 2->26 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 9 other signatures 2->32 7 1707299708fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2764.dat-decoded.exe 3 13 2->7         started        signatures3 process4 dnsIp5 22 lora1.taiwantradeglobal.com 51.89.38.74, 2404, 49700, 49701 OVHFR France 7->22 24 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 7->24 34 Contains functionality to bypass UAC (CMSTPLUA) 7->34 36 Detected unpacking (changes PE section rights) 7->36 38 Tries to steal Mail credentials (via file registry) 7->38 40 8 other signatures 7->40 11 1707299708fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2764.dat-decoded.exe 1 7->11         started        14 1707299708fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2764.dat-decoded.exe 1 7->14         started        16 1707299708fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2764.dat-decoded.exe 2 7->16         started        signatures6 process7 signatures8 42 Tries to steal Instant Messenger accounts or passwords 11->42 44 Tries to steal Mail credentials (via file / registry access) 11->44 46 Tries to harvest and steal browser information (history, passwords, etc) 14->46
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-02-07 09:56:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qabltepegrrq7kinohokqhhwuqtxzfzwsf6zwuzx5uhtxbj7jwka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992
RemcosRAT
3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
RemcosRAT
6778fea0bea7bd311fbda7b2f6257a7826733a664199d8073c878e401ba20a33
RemcosRAT
7c81d05dd82233e0278c83ca0b1a3b3ad9f0fa4b8b56bef98bba964752369754
RemcosRAT
82703bb5de0f44978e23f29a593094ae3951c3a623bb40bfd54238978e3c8819
RemcosRAT
a0c4a547b08cd4669362420f9c50b04f084e0174f13911f4e8b95cec7ba12cd8
RemcosRAT
+ 3'430 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection spyware stealer
Link:
https://tria.ge/reports/240207-lyck4afff7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Malware Config
C2 Extraction:
lora1.taiwantradeglobal.com:2404
lora2.taiwantradeglobal.com:2404
Unpacked files
SH256 hash:
8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94
MD5 hash:
7ef2c71c74e2d5f76c26859468fa527f
SHA1 hash:
1717108652dc0997354d9cbf31d0eb2fada5e685
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/fabbeaaa-ab95-4beb-bce1-2d0d98729d3d/
Parent samples :
8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94
1351e61c2b4c13ccf8b28d7f1f9aa82f7cce424e723a30bacbfa404d1d98fa6d
a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8002b991e434/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/8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:yara_template
Create hunting rule

File information

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

fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2

RemcosRAT

Executable exe 8002b991e434630fa90d71dca81cf6a4277c9736917d9b5337ed0f3b853f4d94

(this sample)

  
Dropped by
SHA256 fe68d766634a68fbafa375d8c9b41e2087e3b35d45df634d49fdf01ad49203f2
  
Dropped by
MD5 d40e346f2b9446bbd30648f560418869
  
URLhaus
https://urlhaus.abuse.ch/url/2757980/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/475110/

Comments