MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2. 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 2 File information Comments 1

SHA256 hash: 4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2
SHA3-384 hash: cec4b29196b1832fff52552f306bc233692008de974d3088a140fb2c132169494f9dc2c0fcdc7611b540ab049a20c61a
SHA1 hash: c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3
MD5 hash: c6d2ae33edf3d67a0c2abe42836c2874
humanhash: missouri-speaker-alpha-sodium
File name:c6d2ae33edf3d67a0c2abe42836c2874
Download: download sample
Signature GuLoader
File size:287'624 bytes
First seen:2023-06-08 04:33:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (53 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 6144:w6dmbMKjfheEC2iP/jUzD4xVuazSnsMDC8pv3IMRhhSygcTSD9N:g4Af3ChzUPGVuazhMDZT+ygcTSDn
Threatray 1'408 similar samples on MalwareBazaar
TLSH T1FA54124336F9A0D3E0160AB00EBEAD31B7B56E0C0779749B37923F6D2A771C24525687
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 c2e1cc9cecc9e126 (2 x GuLoader)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-13T07:23:07Z
Valid to:2025-08-12T07:23:07Z
Serial number: 379dbc8fa55fa99874f455f86341365509d05094
Thumbprint Algorithm:SHA256
Thumbprint: 5db1d4801fb878ca11596e6b20d23bb488d8c3dc9d20ef3350f80f63783274f8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c6d2ae33edf3d67a0c2abe42836c2874
Verdict:
Malicious activity
Analysis date:
2023-06-08 04:36:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
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.
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 883878 Sample: 0IwziVq2Dr.exe Startdate: 08/06/2023 Architecture: WINDOWS Score: 100 32 www.triciaaprimrosevp.com 2->32 34 www.tangocitymoscow.com 2->34 36 22 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 8 other signatures 2->60 11 0IwziVq2Dr.exe 23 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 70 Tries to detect Any.run 11->70 15 0IwziVq2Dr.exe 6 11->15         started        signatures6 process7 dnsIp8 44 107.172.148.217, 50127, 80 AS-COLOCROSSINGUS United States 15->44 46 Modifies the context of a thread in another process (thread injection) 15->46 48 Tries to detect Any.run 15->48 50 Maps a DLL or memory area into another process 15->50 52 2 other signatures 15->52 19 explorer.exe 6 1 15->19 injected signatures9 process10 dnsIp11 38 masterbidbox.com 151.106.117.41, 50137, 80 PLUSSERVER-ASN1DE Germany 19->38 40 www.apihb.com 170.39.226.155, 50136, 80 PETRONAS-BHD-AS-APPetroliamNasionalBerhadMY Reserved 19->40 42 12 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 wscript.exe 12 19->23         started        signatures12 process13 signatures14 64 System process connects to network (likely due to code injection or exploit) 23->64 66 Modifies the context of a thread in another process (thread injection) 23->66 68 Maps a DLL or memory area into another process 23->68 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-06-06 08:27:26 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:formbook family:guloader campaign:xchu downloader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
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 4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-06-08 04:33:23 UTC

url : hxxp://107.172.148.217/244/hkcmd.exe