MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309
SHA3-384 hash: 10aeeae9625840d8e25629c8b6d223edecdc8c07b1c946b05a2874497926a8ec0c1c0ab395b0d113e279e3e875f835cc
SHA1 hash: 7241eae19c1c1153ffa0433ec20973a22fd0acc9
MD5 hash: b034d297925345ab9e695dc450db6a59
humanhash: colorado-oven-video-lake
File name:b034d297925345ab9e695dc450db6a59
Download: download sample
Signature GuLoader
Create hunting rule
File size:658'720 bytes
First seen:2024-03-17 05:55:52 UTC
Last seen:2024-03-17 07:21:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 12288:qyT3x2wQNoujr0vuGV5ilwSNU3ZSAugULXwokYm5eE:9x2VNouWuO5OkZnPU7LkYWP
TLSH T16BE4D02629A6EC13E38467745115EF3C8EA1FE9A1971C2735AF1AC9FB10DF327C18252
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) (4504/4/1)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:Lomta
Issuer:Lomta
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-25T10:18:00Z
Valid to:2026-12-24T10:18:00Z
Serial number: 6d39c66ac5ea03fc4346e47cdac5a97218b31eeb
Thumbprint Algorithm:SHA256
Thumbprint: 87f5e080aaab57c568e24257f5308be2595f7b7d48d8a81d83e308e2a73fb040
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
479
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309.exe
Verdict:
Malicious activity
Analysis date:
2024-03-17 05:58:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/efc0df18-00f9-41d2-8cd0-7dcc3e4e2faa

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/479281/
Detection(s):
SecuriteInfo.com.FileRepMalware.18448.30934.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65f685f20ef6f5eba493f8d8/reports/c8ae007b-5575-423a-ac9c-3d2a41455cd4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309
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/73839837-7891-4ba8-a83d-2c11ee7f82a7
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410298
Signature
Detected Remcos RAT
Detected unpacking (changes PE section rights)
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 GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410298 Sample: Nv6COj2Mrz.exe Startdate: 17/03/2024 Architecture: WINDOWS Score: 100 25 mad.unicornsupplychains.com 2->25 27 geoplugin.net 2->27 39 Multi AV Scanner detection for domain / URL 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected GuLoader 2->43 45 3 other signatures 2->45 8 Nv6COj2Mrz.exe 8 39 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\System.dll, PE32 8->23 dropped 47 Detected unpacking (changes PE section rights) 8->47 49 Tries to steal Mail credentials (via file registry) 8->49 12 Nv6COj2Mrz.exe 3 14 8->12         started        signatures6 process7 dnsIp8 29 mad.unicornsupplychains.com 103.131.130.178, 50040, 50041, 50042 CEPATNET-AS-IDPTMoraTelematikaIndonesiaID Taiwan; Republic of China (ROC) 12->29 31 geoplugin.net 178.237.33.50, 50044, 80 ATOM86-ASATOM86NL Netherlands 12->31 51 Detected Remcos RAT 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 55 Maps a DLL or memory area into another process 12->55 16 Nv6COj2Mrz.exe 1 12->16         started        19 Nv6COj2Mrz.exe 1 12->19         started        21 Nv6COj2Mrz.exe 2 12->21         started        signatures9 process10 signatures11 33 Tries to steal Instant Messenger accounts or passwords 16->33 35 Tries to harvest and steal browser information (history, passwords, etc) 16->35 37 Tries to steal Mail credentials (via file / registry access) 19->37
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-14 19:34:00 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7lz5aeu7mnmtw6bm4qzxqzbrtyhuvtz5xar66chyxgqwltvmmeq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/240317-gm1rbsga91/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/5bcd521e-91f7-4fb4-b129-1d156199d5bf/
SH256 hash:
5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309
MD5 hash:
b034d297925345ab9e695dc450db6a59
SHA1 hash:
7241eae19c1c1153ffa0433ec20973a22fd0acc9
Link:
https://www.unpac.me/results/5bcd521e-91f7-4fb4-b129-1d156199d5bf/
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/5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

GuLoader

Executable exe 5fd79e8094fb1ac9dbc167219bc3218cf07a5679edc11f7847c5cd0b2e756309

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2784833/
Cape
Cape
https://www.capesandbox.com/analysis/479281/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments


Avatar
zbet commented on 2024-03-17 05:55:53 UTC

url : hxxp://103.131.130.178/Betvingelser.exe