MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7
SHA3-384 hash: 11bfb5f2e99bb0733fbceafaeeefacb49d9d3f8a4ad53de5e85626eee95138b8959e8ba95918de1f562f7a7f18fc521b
SHA1 hash: 25cb40fb76b3f0c1d201447669e00cdefc9a32a6
MD5 hash: 2632cd3829ea053b43e12c2c7d6f838d
humanhash: artist-mobile-neptune-queen
File name:2632cd3829ea053b43e12c2c7d6f838d.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:404'480 bytes
First seen:2023-07-25 18:18:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:rOMe2Vb3/1eTwHXPcD/zu7KM7yLnD1sz66:rEacTyXPMC9m7DKW
Threatray 2'294 similar samples on MalwareBazaar
TLSH T1EC8412E9314472EEC853E0B3CDB81C98FA5134A3432F446391671AAEA85CDABDF951F1
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2632cd3829ea053b43e12c2c7d6f838d.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 18:23:34 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/3f3815fd-85db-44ee-a427-969e4f9a1d22

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/433017/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Query of malicious DNS domain
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7
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/eeb61b31-058f-4f6e-8839-8ca2d149593a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279449
Signature
Allocates memory in foreign processes
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 modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
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)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279449 Sample: 5hEFn216K2.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 10 other signatures 2->39 7 5hEFn216K2.exe 1 2->7         started        process3 file4 25 C:\Users\user\AppData\...\5hEFn216K2.exe.log, CSV 7->25 dropped 41 Writes to foreign memory regions 7->41 43 Allocates memory in foreign processes 7->43 45 Injects a PE file into a foreign processes 7->45 11 CasPol.exe 3 13 7->11         started        signatures5 process6 dnsIp7 29 top.noforabusers1.xyz 45.81.39.190, 30890, 49700, 49701 LVLT-10753US United States 11->29 31 geoplugin.net 178.237.33.50, 49702, 80 ATOM86-ASATOM86NL Netherlands 11->31 47 Contains functionality to bypass UAC (CMSTPLUA) 11->47 49 Performs DNS queries to domains with low reputation 11->49 51 Contains functionality to steal Chrome passwords or cookies 11->51 53 5 other signatures 11->53 15 CasPol.exe 1 11->15         started        18 CasPol.exe 1 11->18         started        20 CasPol.exe 1 11->20         started        22 32 other processes 11->22 signatures8 process9 dnsIp10 55 Tries to steal Instant Messenger accounts or passwords 15->55 57 Tries to steal Mail credentials (via file / registry access) 15->57 27 192.168.2.1 unknown unknown 22->27 59 Tries to harvest and steal browser information (history, passwords, etc) 22->59 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 14:11:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fcv6dth36jpphmvrl2ydnqwhkelprqzcpd4hs3xyfbag4jrzud3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0e25b5299c3df59e05d296b1478d43094d5d81e1a5b8706fd355b36388244326
RemcosRAT
1c9708a7c1cca2ffb1fb6711828553521a81c313bd3dcefba441e546d2457e5d
RemcosRAT
29cbb0d27bbc787365e8c2aa11205b0218a178eda781bca644f8c77e55ad03c7
RemcosRAT
40495077a292c313a58d5d42004097acf6372f0ab3f7e20c14872e7623edf6a2
RemcosRAT
55b379ec8cd752f104605bdbd88048c1c3b49c328b393ba496494a118ef5ae16
RemcosRAT
67c7c5ec03b9334d1a132f2b0fd7ddc99515ccdb2372aa3b16463ea34d09f060
RemcosRAT
df906c77d802e4e977ff24b11e1840d6948338250023a27b2b30ad9ac6e3f4ba
RemcosRAT
e970fdbbcd35127388ad909820df33fbe5d0a7bd4b52ccde011c5782edfe03fc
RemcosRAT
f60667b9e2a0a25221cdb47844149beb3b1cd08abbc3360e8684fad9d8aaa20e
RemcosRAT
f82c643baf10986a8ad197d2565b7a093aa1eef8b9d4463f4a42d3cc81a45b8f
RemcosRAT
+ 2'284 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230725-wx6snafe2v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
top.noforabusers1.xyz:30890
Unpacked files
SH256 hash:
39764addf9eb39b14ff66ffcce81fc569f0852309b9e085ac6834dcb37834424
MD5 hash:
dea2c72cc06b5ee2ca965f650681fae8
SHA1 hash:
82f056a82ee101b7260961c8a1c5f57bfa1b5c37
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f79aab1d-600e-4e32-a3ed-570203f24b89/
Parent samples :
28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7
30677a0487ca9917350dfd860dc7ff317e37e0b8d937bb4d4ec20d8afc276eb3
23f9cab9765f1e0d17ecedd1f7485750d74c66659e0b9bc8560b5d5945509008
c68b7153fdf0f50387d3d594f00b361d3b03b0c1efa12ff741a11313b92ff9c0
08f99aa27cbedd18401cfae07c7dd2e79966c6f63777fb95bc7a73c5cad5a537
SH256 hash:
5c0937eac910784b16bc87e7e046e7b2273ff0eac28656cd632ddbd962b433d7
MD5 hash:
f09bb50ed355b25fb00647e2d04404cc
SHA1 hash:
185838c0b390cf7be608f5cc9df97e87a8880d8d
Link:
https://www.unpac.me/results/f79aab1d-600e-4e32-a3ed-570203f24b89/
SH256 hash:
28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7
MD5 hash:
2632cd3829ea053b43e12c2c7d6f838d
SHA1 hash:
25cb40fb76b3f0c1d201447669e00cdefc9a32a6
Link:
https://www.unpac.me/results/f79aab1d-600e-4e32-a3ed-570203f24b89/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28abe1ccfbf2/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/28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule
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:yara_template
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe 28abe1ccfbf25ef3b2b15eb036c2c75116f8c32278f8796ef828406e2639a0f7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2688856/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/433017/

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