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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9
SHA3-384 hash: 07aba264504ab48007bed8dd9c3cfe696cc6ea792f0685728369696ae534ec0cc891dafcb51d92619c76152c59f74a98
SHA1 hash: 2f82bd86db95e8d3e15972f00070fad8843d90e5
MD5 hash: 4c60ccc6694b75980aaedb89cb5fc058
humanhash: four-sad-may-cat
File name:CamScanner0079.jpg.pif
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'030'619 bytes
First seen:2024-06-14 06:59:24 UTC
Last seen:2024-06-14 07:21:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (136 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 24576:t4ezTAAfvu9ykgIiaP4Tkkf0sWhegcKyJ:t4WAAf+VNgIZsWhegcX
TLSH T10B25D0BA30607999F8EF42364B8B932B6150FD772512914A22A03F3FB53D745ED3C5A2
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)
File icon (PE):PE icon
dhash icon 5331f0cce2f0f0f3 (2 x GuLoader, 2 x AgentTesla, 1 x Formbook)
Reporter abuse_ch
Tags:exe GuLoader pif

Intelligence

File Origin
# of uploads :
2
# of downloads :
388
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9.exe
Verdict:
Malicious activity
Analysis date:
2024-06-14 07:19:34 UTC
Tags:
discord
Link:
https://app.any.run/tasks/9f43b509-f50e-43f5-8ca5-76034537be51

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PowerShell.Siggen.2046.15734.20279.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666beaeaa2bce47be7da419bwin7simulatehigh_evasion
Tags:
Encryption Execution Network Injector
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching a process
Searching for the window
Running batch commands
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/666bea7521581a92819ce929/reports/e3cd7f39-ed68-4443-afae-286ec342c6e2/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/790f1afc-8aab-4b04-9b9a-38820b9eb151
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1457097
Signature
AI detected suspicious sample
Drops PE files with a suspicious file extension
Found suspicious powershell code related to unpacking or dynamic code loading
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Sample uses process hollowing technique
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1457097 Sample: CamScanner0079.jpg.pif.exe Startdate: 14/06/2024 Architecture: WINDOWS Score: 100 36 cdn.discordapp.com 2->36 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected GuLoader 2->42 44 Uses an obfuscated file name to hide its real file extension (double extension) 2->44 46 AI detected suspicious sample 2->46 10 CamScanner0079.jpg.pif.exe 4 31 2->10         started        signatures3 process4 file5 32 C:\Users\user\...\Honorarindtgt197.Vur, ASCII 10->32 dropped 52 Suspicious powershell command line found 10->52 14 powershell.exe 20 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\Temp\Hjst.pif, PE32 14->34 dropped 54 Obfuscated command line found 14->54 56 Drops PE files with a suspicious file extension 14->56 58 Writes to foreign memory regions 14->58 60 3 other signatures 14->60 18 Hjst.pif 2 13 14->18         started        22 conhost.exe 14->22         started        24 cmd.exe 1 14->24         started        signatures9 process10 dnsIp11 38 cdn.discordapp.com 162.159.135.233, 443, 49723 CLOUDFLARENETUS United States 18->38 48 Multi AV Scanner detection for dropped file 18->48 50 Switches to a custom stack to bypass stack traces 18->50 26 cmd.exe 1 18->26         started        signatures12 process13 process14 28 conhost.exe 26->28         started        30 reg.exe 1 1 26->30         started       
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-06-13 05:25:06 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
13 of 38 (34.21%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynwmk24cr45hvbz4zcnlx7hg6zdmoc7dxvafeqjfbwwpc7xfetuq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/240614-hsmmbsyhra/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9
MD5 hash:
4c60ccc6694b75980aaedb89cb5fc058
SHA1 hash:
2f82bd86db95e8d3e15972f00070fad8843d90e5
Link:
https://www.unpac.me/results/8bb5c58a-9d28-41b1-b0c9-167cf4a45754/
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/c36cc56b828f3a7a873cc89abbfce6f646c70be3bd405241250dacf17ee524e9

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

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_AUTHENTICODEMissing Authenticodehigh
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::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.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::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
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

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