MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905
SHA3-384 hash: 067bc8af009c4a047d78cea096cd255328bdbdd7f073c341b0a31fd2dccd590844f05339bea9bf9e16a6ab6adad86b42
SHA1 hash: c12da3f5b65037e1d8e9c448896476284ad152ee
MD5 hash: 76923fcaa0a505edf3ad0258599c4ac4
humanhash: butter-table-wisconsin-lemon
File name:dhl_awb_shipping_invoice_24_05_2024_000000000000024.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:268'296 bytes
First seen:2024-05-24 05:27:15 UTC
Last seen:2024-06-03 09:49:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b40f29cd171eb54c01b1dd2683c9c26b (45 x GuLoader, 16 x RemcosRAT, 15 x VIPKeylogger)
ssdeep 6144:C+K0JKwduysEcdn0AwZkMJrZJKBRiJ5KGzR9gMYazuS0:LJZ0EcdnTdM5ZJCEv7VCMYaav
TLSH T18944F1457BF4D9A7C48206B1D873A3F7A2709F50AB1256472B84FE393E3128B3A4D1D6
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 2dde38f8d88cced8 (1 x GuLoader)
Reporter abuse_ch
Tags:DHL exe GuLoader signed

Code Signing Certificate

Organisation:Bolk
Issuer:Bolk
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-17T00:19:39Z
Valid to:2027-03-17T00:19:39Z
Serial number: 042508f4fe1a18bbf6b018a0054c1ab844645e20
Thumbprint Algorithm:SHA256
Thumbprint: 934a7f37c4916520eeb3ac39b438e919da1408bb60e3d40b589a434feac27ae0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905.exe
Verdict:
Malicious activity
Analysis date:
2024-05-24 05:38:25 UTC
Tags:
rat remcos evasion keylogger
Link:
https://app.any.run/tasks/eb4fa5c1-a9ba-4cc5-b157-9471e48001e9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665025d302cf134c1c7f8e53win7simulatehigh_evasion
Tags:
i n j e c t
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/66502563458fabe8a957ce94/reports/3b1143c6-6d18-4fb1-a798-d235a31ddc2e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905
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/937746f7-ba26-4d3c-a693-022f388038d2
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1446982
Signature
C2 URLs / IPs found in malware configuration
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert 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)
Uses dynamic DNS services
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: 1446982 Sample: dhl_awb_shipping_invoice_24... Startdate: 24/05/2024 Architecture: WINDOWS Score: 100 32 iwarsut775laudrye2.duckdns.org 2->32 34 geoplugin.net 2->34 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 56 11 other signatures 2->56 8 dhl_awb_shipping_invoice_24_05_2024_000000000000024.exe 45 2->8         started        signatures3 54 Uses dynamic DNS services 32->54 process4 file5 24 C:\Users\user\...\Forstvningerne174.lyd, DOS 8->24 dropped 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 58 Detected unpacking (changes PE section rights) 8->58 60 Tries to steal Mail credentials (via file registry) 8->60 12 dhl_awb_shipping_invoice_24_05_2024_000000000000024.exe 4 17 8->12         started        signatures6 process7 dnsIp8 36 iwarsut775laudrye2.duckdns.org 192.253.251.227, 50411, 50412, 57484 THORDC-ASIS United States 12->36 38 94.156.8.88, 50410, 80 NET1-ASBG Bulgaria 12->38 40 geoplugin.net 178.237.33.50, 50413, 80 ATOM86-ASATOM86NL Netherlands 12->40 28 C:\Users\user\AppData\...\Foretraekke.exe, PE32 12->28 dropped 30 C:\Users\user\AppData\Roaming\bjvnspt.dat, data 12->30 dropped 62 Maps a DLL or memory area into another process 12->62 64 Installs a global keyboard hook 12->64 17 dhl_awb_shipping_invoice_24_05_2024_000000000000024.exe 1 12->17         started        20 dhl_awb_shipping_invoice_24_05_2024_000000000000024.exe 1 12->20         started        22 dhl_awb_shipping_invoice_24_05_2024_000000000000024.exe 2 12->22         started        file9 signatures10 process11 signatures12 42 Tries to steal Instant Messenger accounts or passwords 17->42 44 Tries to harvest and steal browser information (history, passwords, etc) 17->44 46 Tries to steal Mail credentials (via file / registry access) 20->46
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-05-24 03:40:01 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5q6q6467raoeczou3n5p4yeudg2vtvfhr2apo3nuros4yycvecq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/240524-f5z23sfa47/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/192b57e6-1692-4b26-a273-237155f4d979
Unpacked files
SH256 hash:
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
MD5 hash:
cf85183b87314359488b850f9e97a698
SHA1 hash:
6b6c790037eec7ebea4d05590359cb4473f19aea
Link:
https://www.unpac.me/results/36c0bdc7-c258-4b26-8f28-86d2db41a688/
SH256 hash:
2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905
MD5 hash:
76923fcaa0a505edf3ad0258599c4ac4
SHA1 hash:
c12da3f5b65037e1d8e9c448896476284ad152ee
Link:
https://www.unpac.me/results/36c0bdc7-c258-4b26-8f28-86d2db41a688/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/2f61e87b9efc40e20b2ea6dbd7f304a0cdaacea53c7407bb6da45d2e6302a905

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:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
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.

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.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::MoveFileA
KERNEL32.dll::GetWindowsDirectoryA
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

Comments