MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa. 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


GuLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa
SHA3-384 hash: f4afad7a5e1f91bfff4e41066f75561c8b5f36bb22c1900c2b962e087b6ecba548a1c263bb3307dafc57d65a61fd38d7
SHA1 hash: b1502f7a1d3be4f21a6865bb31df2ff49d87db81
MD5 hash: a2a94f99351fcc059a3dc3605879ac87
humanhash: comet-island-uncle-three
File name:Order #007761111.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:286'352 bytes
First seen:2023-09-14 16:24:08 UTC
Last seen:2023-09-15 06:39:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:UVGdx6x1a958+nUMe2VoPApuHuvVn5ALML2cbdIqCNO:oW58dP2MSpd52iyq/
Threatray 2'578 similar samples on MalwareBazaar
TLSH T1D254F111B690D057DD74073CBA2BBBB685B6BD14F890CF0763943B4E38323929B2D669
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon d1d0ec8e86e6ccc4 (10 x GuLoader, 1 x RemcosRAT)
Reporter malwarelabnet
Tags:exe GuLoader remcos signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-04-25T00:59:45Z
Valid to:2026-04-24T00:59:45Z
Serial number: 0ff1a785239c565e2f5d209562e23e62ed99d62c
Thumbprint Algorithm:SHA256
Thumbprint: 7438eb4720b003a7b18909d68f59297ce483d83ec81dede98078f39af1d6d23d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
326
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order #007761111.exe
Verdict:
Suspicious activity
Analysis date:
2023-09-14 16:25:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4bfee753-bd03-4ddf-8b7a-5da673b20dfa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/448689/
Detection(s):
SecuriteInfo.com.W32.Injector.RADP-7947.12740.20532.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/650333df9bae8a3785575268/reports/1c01a34c-81a8-4192-a144-23e9a6569662/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c035d9a0-fbbd-435e-9de0-377e1d56825a
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308137
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Maps a DLL or memory area into another process
Sigma detected: Remcos
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1308137 Sample: Order_#007761111.exe Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 28 geoplugin.net 2->28 42 Found malware configuration 2->42 44 Yara detected GuLoader 2->44 46 Yara detected Remcos RAT 2->46 48 4 other signatures 2->48 8 Order_#007761111.exe 30 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\System.dll, PE32 8->24 dropped 50 Detected unpacking (changes PE section rights) 8->50 52 Tries to steal Mail credentials (via file registry) 8->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->54 56 3 other signatures 8->56 12 Order_#007761111.exe 3 16 8->12         started        signatures6 process7 dnsIp8 30 172.93.160.33, 2404, 49949, 49950 ASN-QUADRANET-GLOBALUS United States 12->30 32 184.164.75.36, 49948, 80 IOFLOODUS United States 12->32 34 geoplugin.net 178.237.33.50, 49951, 80 ATOM86-ASATOM86NL Netherlands 12->34 26 C:\ProgramData\remcos\logs.dat, data 12->26 dropped 58 Tries to detect Any.run 12->58 60 Maps a DLL or memory area into another process 12->60 62 Installs a global keyboard hook 12->62 17 Order_#007761111.exe 1 12->17         started        20 Order_#007761111.exe 1 12->20         started        22 Order_#007761111.exe 2 12->22         started        file9 signatures10 process11 signatures12 36 Tries to steal Instant Messenger accounts or passwords 17->36 38 Tries to harvest and steal browser information (history, passwords, etc) 17->38 40 Tries to steal Mail credentials (via file / registry access) 20->40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-09-14 15:08:20 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
13 of 37 (35.14%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i5jvlof7f4vgqkj4qcgpswo6acuoatlpjcdruwq7zsxz2mmfod5a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
456f09b71ed09cbc590f6a3b8d5aacc7f0fb94521d8b19b80d2a201e5f73b5a0
GuLoader
4a30f84c5fc555603a11244bf58e1a01bacfc09047068f942d48d674a1375c6d
GuLoader
55eebc888e9151e28295587ff7c12c40f8b7ae5f23d29bac79c6444277940a6a
GuLoader
67334009d5d6fb492333a8d6a850b2c464654aaaf96ddeef125129af29ea3d66
GuLoader
7076d5e0459c068bc798fb168a91c4f33f2895e52356946da3f7617b7fc28b57
GuLoader
b2823172397c389e1ff948bd03473193ed8527eb19edff06cbb16e2b43ebc19f
GuLoader
b2d5e15268cb130c995118e17afa1198ca19604a20b91f1907a7ef18210db30f
GuLoader
bad6dc695ec91155fbf548d43e3039c1b694db28c1a713b81ecc2d59674635cb
GuLoader
fc38656ef9f0487f431fc7e32fd39213ebeefc9ca0728fe04d160cce657d5af4
GuLoader
+ 2'568 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection downloader rat spyware stealer
Link:
https://tria.ge/reports/230914-twydsadc3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks QEMU agent file
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
172.93.160.33:2404
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/2ecfb5f9-879f-4a89-84da-7fc48bae234a/
SH256 hash:
475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa
MD5 hash:
a2a94f99351fcc059a3dc3605879ac87
SHA1 hash:
b1502f7a1d3be4f21a6865bb31df2ff49d87db81
Link:
https://www.unpac.me/results/2ecfb5f9-879f-4a89-84da-7fc48bae234a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/475355b8bf2f/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/475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous

File information

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

Malspam

GuLoader

rar 449f8ae5471b014f1377dbadf96b8d7aa0aa80c58a1fe83fee261dfb51324e46

GuLoader

Executable exe 475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/448689/
  
Dropped by
SHA256 449f8ae5471b014f1377dbadf96b8d7aa0aa80c58a1fe83fee261dfb51324e46
  
Dropped by
MD5 299f2554d20333d81c5c9abaea4fa986

Comments