MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 976be3f04529b328e1fa9b0f173924c2a0dd3296734eb20fcd922b3171e5a547. 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 File information Comments

SHA256 hash: 976be3f04529b328e1fa9b0f173924c2a0dd3296734eb20fcd922b3171e5a547
SHA3-384 hash: e793239ba7bd26f62204469edeaf6ec52ee6697dac3cc46d4792c2ac827ea47216f130dc04836a1ae5de7d5b9b8df8ad
SHA1 hash: 768f72be43f676c84587a65e40d905d1f69014f4
MD5 hash: 4aa0a020c0726fec47b64504674b1ece
humanhash: blue-five-happy-diet
File name:SecuriteInfo.com.Win32.Evo-gen.11469.23107
Download: download sample
Signature GuLoader
File size:607'893 bytes
First seen:2023-12-12 08:26:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 12288:NkgkxGsY2TsW/08g07dRhUObTs8TYamQOSm4Lq0:zkxGsYOsUTTR+ObdsamBS/Lq
Threatray 83 similar samples on MalwareBazaar
TLSH T1ACD423802E66C2A3ECEFCA73DC75A6A673F7AF355325224F13057A241733640853799A
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 9642608262208212 (1 x AgentTesla, 1 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the Program Files subdirectories
Searching for the window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
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:
FormBook, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1359854 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 49 www.lemartinez.za.com 2->49 51 www.0q4es.site 2->51 53 lemartinez.za.com 2->53 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 3 other signatures 2->65 12 SecuriteInfo.com.Win32.Evo-gen.11469.23107.exe 9 55 2->12         started        15 wab.exe 3 1 2->15         started        17 wab.exe 1 2->17         started        signatures3 process4 file5 45 C:\Users\user\...\Unintrepidness185.For, data 12->45 dropped 47 C:\Users\user\AppData\...\ornithorhynchus.sen, COM 12->47 dropped 19 powershell.exe 12 12->19         started        process6 signatures7 67 Suspicious powershell command line found 19->67 69 Very long command line found 19->69 71 Found suspicious powershell code related to unpacking or dynamic code loading 19->71 22 powershell.exe 13 19->22         started        25 conhost.exe 19->25         started        process8 signatures9 73 Writes to foreign memory regions 22->73 27 wab.exe 6 22->27         started        31 wab.exe 22->31         started        33 wab.exe 22->33         started        35 3 other processes 22->35 process10 dnsIp11 57 lemartinez.za.com 50.115.174.254, 443, 49714 VIRPUS United States 27->57 83 Maps a DLL or memory area into another process 27->83 37 wRfesHIOKoLITlMsCOkc.exe 27->37 injected signatures12 process13 dnsIp14 55 www.0q4es.site 107.148.132.244, 49716, 80 ASLINE-AS-APASLINELIMITEDHK United States 37->55 40 prevhost.exe 1 13 37->40         started        process15 signatures16 75 Tries to steal Mail credentials (via file / registry access) 40->75 77 Tries to harvest and steal browser information (history, passwords, etc) 40->77 79 Writes to foreign memory regions 40->79 81 2 other signatures 40->81 43 firefox.exe 40->43         started        process17
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-12-12 04:49:44 UTC
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Guloader,Cloudeye
Unpacked files
SH256 hash:
976be3f04529b328e1fa9b0f173924c2a0dd3296734eb20fcd922b3171e5a547
MD5 hash:
4aa0a020c0726fec47b64504674b1ece
SHA1 hash:
768f72be43f676c84587a65e40d905d1f69014f4
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments