MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 192cc32d2b512627692171a834ddc243f4d2eb6402b301c6ce4f495c08720f98. 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 3 File information Comments

SHA256 hash: 192cc32d2b512627692171a834ddc243f4d2eb6402b301c6ce4f495c08720f98
SHA3-384 hash: 754779b2b4aed0b66248f1fa2a3cb0d45f61cc4ac54e5e9ede6d2cc9473949d2c95993ec87f6876d0e7a1fbcc2d76308
SHA1 hash: e14276554b5a2a2cdea158d8111170b780e5234e
MD5 hash: 117c09138f84dce084e42fcb684e9188
humanhash: nuts-wolfram-three-lima
File name:RFQ.exe
Download: download sample
Signature GuLoader
File size:1'163'264 bytes
First seen:2023-07-10 09:38:00 UTC
Last seen:2023-07-10 10:09:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 332f7ce65ead0adfb3d35147033aabe9 (81 x XRed, 18 x SnakeKeylogger, 7 x DarkComet)
ssdeep 24576:EnsJ39LyjbJkQFMhmC+6GD9XgaNVtTxklSHBbqJ+eQA:EnsHyjtk2MYC5GDZgmFhble7
Threatray 986 similar samples on MalwareBazaar
TLSH T19F35BF32F2D18437D1721A3C8C5BA3A99829BE512E387A4B3BE51E4C5F3D6813D592D3
TrID 88.0% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
5.7% (.EXE) InstallShield setup (43053/19/16)
1.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.3% (.EXE) Win64 Executable (generic) (10523/12/4)
1.3% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
dhash icon feb2baa8b8b4a0c0 (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2023-07-10 10:42:30 UTC
Tags:
installer

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Moving a recently created file
Creating a file in the %temp% directory
Delayed reading of the file
Moving a file to the %temp% directory
Modifying an executable file
DNS request
Sending an HTTP GET request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Infecting executable files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd control darkkomet dropper emotet evasive fingerprint greyware guloader hacktool keylogger lolbin macros macros-on-close macros-on-open macros-on-open optix packed remote shell32 unsafe
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Drops PE files to the document folder of the user
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Uses dynamic DNS services
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1269589 Sample: RFQ.exe Startdate: 10/07/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Antivirus detection for URL or domain 2->58 60 Antivirus detection for dropped file 2->60 62 11 other signatures 2->62 7 RFQ.exe 1 6 2->7         started        10 EXCEL.EXE 23 20 2->10         started        12 Synaptics.exe 2->12         started        process3 file4 26 C:\Users\user\Desktop\._cache_RFQ.exe, PE32 7->26 dropped 28 C:\ProgramData\Synaptics\Synaptics.exe, PE32 7->28 dropped 30 C:\ProgramData\Synaptics\RCX87F.tmp, PE32 7->30 dropped 32 C:\...\Synaptics.exe:Zone.Identifier, ASCII 7->32 dropped 14 Synaptics.exe 30 7->14         started        19 ._cache_RFQ.exe 4 54 7->19         started        process5 dnsIp6 40 freedns.afraid.org 174.128.246.100, 49699, 80 ST-BGPUS United States 14->40 42 docs.google.com 172.217.168.14, 443, 49694, 49695 GOOGLEUS United States 14->42 44 xred.mooo.com 14->44 34 C:\Users\user\Documents\~$cache1, PE32 14->34 dropped 46 Antivirus detection for dropped file 14->46 48 Multi AV Scanner detection for dropped file 14->48 50 Drops PE files to the document folder of the user 14->50 52 Machine Learning detection for dropped file 14->52 21 WerFault.exe 24 9 14->21         started        24 WerFault.exe 14->24         started        36 C:\Users\user\AppData\Local\...\System.dll, PE32 19->36 dropped 54 Tries to detect virtualization through RDTSC time measurements 19->54 file7 signatures8 process9 dnsIp10 38 192.168.2.1 unknown unknown 21->38
Threat name:
Win32.Virus.Napwhich
Status:
Malicious
First seen:
2023-07-04 08:44:11 UTC
File Type:
PE (Exe)
Extracted files:
91
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader persistence
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Checks QEMU agent file
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
MD5 hash:
6e55a6e7c3fdbd244042eb15cb1ec739
SHA1 hash:
070ea80e2192abc42f358d47b276990b5fa285a9
SH256 hash:
371a6ddc7befe6a31a702e5a1dddaa9627a71582e46bf5bfb0f6b3dba16639ce
MD5 hash:
6e0cc3c3426dfd992a0ba17c6ff65dbb
SHA1 hash:
1d88c326d63985e33f2e4051226816e4e560495d
SH256 hash:
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
MD5 hash:
6e55a6e7c3fdbd244042eb15cb1ec739
SHA1 hash:
070ea80e2192abc42f358d47b276990b5fa285a9
SH256 hash:
371a6ddc7befe6a31a702e5a1dddaa9627a71582e46bf5bfb0f6b3dba16639ce
MD5 hash:
6e0cc3c3426dfd992a0ba17c6ff65dbb
SHA1 hash:
1d88c326d63985e33f2e4051226816e4e560495d
SH256 hash:
192cc32d2b512627692171a834ddc243f4d2eb6402b301c6ce4f495c08720f98
MD5 hash:
117c09138f84dce084e42fcb684e9188
SHA1 hash:
e14276554b5a2a2cdea158d8111170b780e5234e
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:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:vbaproject_bin
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time
Rule name:yara_template

File information


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

Malspam

GuLoader

Executable exe 192cc32d2b512627692171a834ddc243f4d2eb6402b301c6ce4f495c08720f98

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments