MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
SHA3-384 hash: 2c251845fbe572c87f85bd8c4b41c969349b8644a19e72d894fdfaa2b9a9900ab14485119a60ecfb8f18f5823d3b5aab
SHA1 hash: c19c203341b04f71b432f5228daaafb44e25514f
MD5 hash: 07174a2dcc7016ccef4cd9cbc04e5652
humanhash: dakota-four-king-summer
File name:c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
Download: download sample
Signature GuLoader
Create hunting rule
File size:513'840 bytes
First seen:2024-10-08 14:11:41 UTC
Last seen:2024-11-07 14:17:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:xC2Evn/IvIrb2m3El3AoZIvdRLM2fwk6IeldVU8lwDDtoNRuv0j1JtX7PXjrnCgN:YnC8Cmu3AMWwk6jdVUcwHeNEgzjLEcvH
Threatray 2'774 similar samples on MalwareBazaar
TLSH T126B40180BED3D487F9558B7188A246A5A3F12F65843381776F85BBBC34363605B6E2C3
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)
Magika pebin
File icon (PE):PE icon
dhash icon 1051d8b8eccc3476 (1 x GuLoader, 1 x RemcosRAT)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Aandsretnings Fetishising Planers
Issuer:Aandsretnings Fetishising Planers
Algorithm:sha256WithRSAEncryption
Valid from:2024-08-02T00:12:12Z
Valid to:2027-08-02T00:12:12Z
Serial number: 2226de4387c034a0990e36f25ceb7ff57f1db7fa
Thumbprint Algorithm:SHA256
Thumbprint: f28fd374777423199962590adfe69d9ead667891da44d8e7d0c6558219f20cd5
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
391
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
Verdict:
Malicious activity
Analysis date:
2024-10-08 14:32:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1054ea01-51e1-40fe-b135-2c04e77c3831

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.74162890.30640.27812.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67053db6a69182ddbe5d08a3
Tags:
Powershell Nsis
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
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:
NSIS
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8566b8b9-d391-4cc5-b08e-2944cbc8d897
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1529114
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Found malware configuration
Installs a global keyboard hook
Maps a DLL or memory area into another process
Mass process execution to delay analysis
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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: 1529114 Sample: H6s8pGsYjg.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 50 newfarmn.pro 2->50 52 telesavers.co.za 2->52 54 geoplugin.net 2->54 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Antivirus detection for dropped file 2->66 68 9 other signatures 2->68 8 H6s8pGsYjg.exe 2 31 2->8         started        signatures3 process4 file5 42 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\System.dll, PE32 8->44 dropped 76 Detected unpacking (changes PE section rights) 8->76 78 Tries to steal Mail credentials (via file registry) 8->78 80 Obfuscated command line found 8->80 82 2 other signatures 8->82 12 H6s8pGsYjg.exe 4 19 8->12         started        17 cmd.exe 8->17         started        19 cmd.exe 8->19         started        21 62 other processes 8->21 signatures6 process7 dnsIp8 56 newfarmn.pro 41.216.188.178, 2404, 49765, 49766 AS40676US South Africa 12->56 58 telesavers.co.za 102.65.21.26, 443, 49764 Web-Africa-Networks-ASZA South Africa 12->58 60 geoplugin.net 178.237.33.50, 49769, 80 ATOM86-ASATOM86NL Netherlands 12->60 46 C:\Users\user\AppData\...\Murmeldyret.exe, PE32 12->46 dropped 48 C:\ProgramData\remcos\logs.dat, data 12->48 dropped 84 Detected Remcos RAT 12->84 86 Tries to harvest and steal browser information (history, passwords, etc) 12->86 88 Maps a DLL or memory area into another process 12->88 90 Installs a global keyboard hook 12->90 23 H6s8pGsYjg.exe 12->23         started        26 H6s8pGsYjg.exe 12->26         started        28 H6s8pGsYjg.exe 12->28         started        30 Conhost.exe 17->30         started        32 Conhost.exe 19->32         started        34 Conhost.exe 21->34         started        36 Conhost.exe 21->36         started        38 Conhost.exe 21->38         started        40 59 other processes 21->40 file9 signatures10 process11 signatures12 70 Tries to steal Instant Messenger accounts or passwords 23->70 72 Tries to steal Mail credentials (via file / registry access) 23->72 74 Tries to harvest and steal browser information (history, passwords, etc) 26->74
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-19 09:30:16 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yyw7a4u2zwpy4gz3siqrgjbpy5nhi2yv2gcmxphxuqu74rzqxwma._file
Verdict:
malicious
Label(s):
packer_bxor
Create hunting rule
Similar samples:
0cb6636748ff6a60ebf1a4644a7b4c877f8a19edd8c7a2eac10b34d1bd7cbfbf
GuLoader
199bd66bf9f7b299ebf9068feb2e8648404097e26f86cabc5462973769d24df5
GuLoader
1eda1b310543e616e8b7b97e8e5f13597fb3a67ed9658b3daba2f49361563689
GuLoader
482f10e5f1825368c6cdacf482febf39ed6d035ce866aded813d18890cf86dca
GuLoader
657a48043a872f3b614e4d7b335d71dea8b72c8292cb2cab1f2e67b2fc1b3c47
GuLoader
9ffd17a68654d3474794940762417fe1bc39a5ea87ce5877daa135ac783273e8
GuLoader
ea3c63e01dc18acb8940dbbe5bec6c3cdcb6c117b6a213b9e7e02c11caeabee0
GuLoader
ef66ea0bcee19ccd3d2771a170ff218a3e43b27f1b18f24e08685cb4d3fe053a
GuLoader
f2a42302b9c4f3e6c1e2e5d15dfa09cb41aad80ebc13678c4a412f77d4141ca0
GuLoader
+ 2'764 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection discovery downloader persistence rat spyware stealer
Link:
https://tria.ge/reports/241008-rhvdvstglb/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
newfarmn.pro:2404
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/793ebad3-8c48-49a7-b6ec-340819647719
Unpacked files
SH256 hash:
482536968672d70279a5204060ff84ace25237f24b1bdf3b02e289d50ea5450c
MD5 hash:
4bbc9d77ef7f748f8c85750c3a445f0a
SHA1 hash:
d57a8304bb44ccdb3163b880b3c1bb213461399d
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/feb89ece-c9cf-413e-87dd-1fe4f40e3aa3/
Parent samples :
034f1e9f489823381b6205ca77dd7277222b1a9813fc97834b78cca7aab6de4d
c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
86b6cfdcb0feccdea122debf61b51c1756e53def13a4468637539264ec35d208
SH256 hash:
4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
MD5 hash:
375e8a08471dc6f85f3828488b1147b3
SHA1 hash:
1941484ac710fc301a7d31d6f1345e32a21546af
Link:
https://www.unpac.me/results/feb89ece-c9cf-413e-87dd-1fe4f40e3aa3/
SH256 hash:
1c37917218067a9b90dbf9539606f7bab246b28606ce800328cc637c549c0bde
MD5 hash:
606dadc0a13b9058ba3164ace60a3171
SHA1 hash:
ea5baa1f754808cefecd34474967f24f923e4832
Link:
https://www.unpac.me/results/feb89ece-c9cf-413e-87dd-1fe4f40e3aa3/
SH256 hash:
6a782a1c605e0e44fec09985301ecb1b36612622c083b58d3af6778c6c73a677
MD5 hash:
964de88ec2f026e974821d1bc6aa5d81
SHA1 hash:
7e2b07e7c2475ca960bdfba22726eb0c74570126
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/feb89ece-c9cf-413e-87dd-1fe4f40e3aa3/
Parent samples :
bfbf686e69312f7fba239de406f221d8681c9bade43576cab3ae5346546d3e51
034f1e9f489823381b6205ca77dd7277222b1a9813fc97834b78cca7aab6de4d
c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
86b6cfdcb0feccdea122debf61b51c1756e53def13a4468637539264ec35d208
SH256 hash:
c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98
MD5 hash:
07174a2dcc7016ccef4cd9cbc04e5652
SHA1 hash:
c19c203341b04f71b432f5228daaafb44e25514f
Link:
https://www.unpac.me/results/feb89ece-c9cf-413e-87dd-1fe4f40e3aa3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c62df0729acd9f8e1b3b922113242fc75a746b15d184cbbcf7a429fe4730bd98

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:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:NSIS_GuLoader
Create hunting rule
Author:NDA0E
Description:Detects GuLoader using NSIS
Rule name:NSIS_GuLoader_July_2024
Create hunting rule
Author:NDA0E
Description:Detects GuLoader packed with NSIS installer
Rule name:PE_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.

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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