MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
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SHA256 hash: f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1
SHA3-384 hash: 93cf6c0547803502500931f6ccaa1daec4f7a0d8ba774d50ddec369660f439eb328f4351597d0a4f57467da71d9c2335
SHA1 hash: 4a17bc625d34ccde78a62db109877f8e9d808d70
MD5 hash: ca4ccb77c304e8074abd359dd086ede4
humanhash: nitrogen-rugby-autumn-monkey
File name:rYhL.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:961'536 bytes
First seen:2024-08-30 05:22:33 UTC
Last seen:2024-08-30 06:18:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:kEbp9p29m6p2SxSrExb5Ag+PmiCix5InZg0SO:Xl90X8Axb5Ag+Pm7O5Ie0SO
TLSH T1A2152317312C6B7DDA7A0BF47AB565B0033186D73206EBA93CDEDEAF0621B1005229D7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon ecac0c96a6586970 (2 x RemcosRAT)
Reporter adm1n_usa32
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
461
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
rYhL.exe
Verdict:
Malicious activity
Analysis date:
2024-08-30 05:21:22 UTC
Tags:
rat remcos remote evasion stealer mpress
Link:
https://app.any.run/tasks/32489bf5-6930-4f75-a2d2-ae4759635c39

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.29.27399.25111.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d1573cfe69a9e56049ec6b
Tags:
Discovery Infostealer Network Stealth Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed remcos
Link:
https://www.filescan.io/uploads/66d1573fb854095a010c69e5/reports/99ba2025-1360-4b8e-8e58-61db18c91116/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1
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/906d4a40-bc46-4fa4-a5e7-9fd80ae9e174
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/1501601
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 Remcos RAT
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
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 AntiVM3
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: 1501601 Sample: rYhL.exe Startdate: 30/08/2024 Architecture: WINDOWS Score: 100 27 15.164.165.52.in-addr.arpa 2->27 29 geoplugin.net 2->29 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 12 other signatures 2->49 8 rYhL.exe 3 2->8         started        signatures3 process4 file5 25 C:\Users\user\AppData\Local\...\rYhL.exe.log, ASCII 8->25 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 8->51 53 Tries to steal Mail credentials (via file registry) 8->53 55 Contains functionalty to change the wallpaper 8->55 57 6 other signatures 8->57 12 rYhL.exe 3 13 8->12         started        signatures6 process7 dnsIp8 31 67.207.161.204, 2404, 49708, 49709 AS-COLOAMUS United States 12->31 33 127.0.0.1 unknown unknown 12->33 35 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 12->35 59 Detected Remcos RAT 12->59 61 Maps a DLL or memory area into another process 12->61 16 rYhL.exe 1 12->16         started        19 rYhL.exe 1 12->19         started        21 rYhL.exe 2 12->21         started        23 rYhL.exe 12->23         started        signatures9 process10 signatures11 37 Tries to steal Instant Messenger accounts or passwords 16->37 39 Tries to steal Mail credentials (via file / registry access) 16->39 41 Tries to harvest and steal browser information (history, passwords, etc) 19->41
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-29 12:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6et6z3l2qnp6z42fhpfta4ca7nhjdp6ayy4yhuvi23an24ve4xaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery rat spyware stealer
Link:
https://tria.ge/reports/240830-f254xszdpl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
127.0.0.1:2404
67.207.161.204:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9eadf2b9-ce19-42f0-94c6-c1dc2a8e0024
Unpacked files
SH256 hash:
04f0d538dca7f60768783180b5f738e0b3ceac3676279dd99836ebeb75c24dae
MD5 hash:
0be88adf5e3fa82e3d707cdbd3c4c733
SHA1 hash:
e7e9d787c851051b0435da6df4fd135043a33fd2
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a548afea-a4aa-4ccd-b155-1ab0509343be/
SH256 hash:
c22b6e2cfed3d7e9e0bc312aedb34dd32d9b8049319032ddc7557c9756cf07f7
MD5 hash:
afafe33158d5f82d678539141bbd0455
SHA1 hash:
5746d7bc26825f9bbf73487ee0dd5324d9a19288
Link:
https://www.unpac.me/results/a548afea-a4aa-4ccd-b155-1ab0509343be/
SH256 hash:
b74c5512cdfa4631ee14bed1faa7c8b732c838f118b608059d1bcd715fe06557
MD5 hash:
5b0be814e4ce521b2cf62624c64f2e25
SHA1 hash:
1b874df06b309581c93173c7192655eedf5c8bc1
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/a548afea-a4aa-4ccd-b155-1ab0509343be/
SH256 hash:
f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1
MD5 hash:
ca4ccb77c304e8074abd359dd086ede4
SHA1 hash:
4a17bc625d34ccde78a62db109877f8e9d808d70
Link:
https://www.unpac.me/results/a548afea-a4aa-4ccd-b155-1ab0509343be/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f127eced7a83/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

anyrun
any.run
https://app.any.run/tasks/32489bf5-6930-4f75-a2d2-ae4759635c39

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

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