MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 912f1b1f42229f5dc85e71db8eb2fa4242dae10fe5380a2c033ed7468edf4d89. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 912f1b1f42229f5dc85e71db8eb2fa4242dae10fe5380a2c033ed7468edf4d89
SHA3-384 hash: 1958a51069c62282db62b842be41dc47defa3bc82248a7f20e685d4b383ee9e03d0c12b290104b78f64c48e73ac67849
SHA1 hash: a6976bdcc669298fc5c429749a2641bf27b310b8
MD5 hash: 63de0ef47996d9c3903bc70ef5c4cfca
humanhash: blue-red-mississippi-echo
File name:HSBC PAYMENT ADVICE.pdf.com
Download: download sample
Signature GuLoader
File size:566'064 bytes
First seen:2022-03-22 18:40:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:LYoLrpsA2ahARIUr/eQ29VwtS42YwVF1PGJGut:LYoLeAbhoIo/eQ0wtpoV/uGut
Threatray 14'341 similar samples on MalwareBazaar
TLSH T112C4234A1BB8C037D6661532DA69E6F5AEA8BD31C4E0154B33E0BE0EF835711255F372
File icon (PE):PE icon
dhash icon 32f0ccdae3e4e464 (2 x GuLoader)
Reporter abuse_ch
Tags:com exe GuLoader HSBC signed

Code Signing Certificate

Organisation:Abscissin4
Issuer:Abscissin4
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-21T23:09:52Z
Valid to:2023-03-21T23:09:52Z
Serial number: 00
Intelligence: 325 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 658fe319033f875b3327a090aed89c3d26e7fe5ad178dddc824208b147c6e5d2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
912f1b1f42229f5dc85e71db8eb2fa4242dae10fe5380a2c033ed7468edf4d89.zip
Verdict:
Malicious activity
Analysis date:
2022-03-23 06:38:09 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 file in the %temp% directory
Creating a window
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe 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:
FormBook GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
DLL side loading technique detected
Found malware configuration
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 594398 Sample: HSBC PAYMENT ADVICE.pdf.exe Startdate: 22/03/2022 Architecture: WINDOWS Score: 100 38 www.suanoncaocapnhapkhau.com 2->38 40 www.stormzcustomprints.com 2->40 42 23 other IPs or domains 2->42 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 10 other signatures 2->66 11 HSBC PAYMENT ADVICE.pdf.exe 22 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\updater.exe, PE32 11->30 dropped 32 C:\Users\user\AppData\Local\...\System.dll, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\msvcp140.dll, PE32 11->34 dropped 36 C:\Users\user\AppData\...\crashreporter.exe, PE32 11->36 dropped 78 Tries to detect Any.run 11->78 80 Hides threads from debuggers 11->80 15 HSBC PAYMENT ADVICE.pdf.exe 6 11->15         started        signatures6 process7 dnsIp8 50 prosperbusinessdepot.com 192.185.157.182, 443, 49752 UNIFIEDLAYER-AS-1US United States 15->50 52 Modifies the context of a thread in another process (thread injection) 15->52 54 Tries to detect Any.run 15->54 56 Maps a DLL or memory area into another process 15->56 58 3 other signatures 15->58 19 explorer.exe 15->19 injected signatures9 process10 dnsIp11 44 www.pticomex.com 170.178.168.203, 49780, 80 ST-BGPUS United States 19->44 46 firstresponsepoolandspa.com 162.0.232.168, 49792, 80 NAMECHEAP-NETUS Canada 19->46 48 10 other IPs or domains 19->48 68 System process connects to network (likely due to code injection or exploit) 19->68 70 DLL side loading technique detected 19->70 23 msiexec.exe 19->23         started        signatures12 process13 signatures14 72 Self deletion via cmd delete 23->72 74 Modifies the context of a thread in another process (thread injection) 23->74 76 Maps a DLL or memory area into another process 23->76 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Shelsy
Status:
Malicious
First seen:
2022-03-22 18:41:12 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:formbook family:guloader campaign:a18a downloader rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
912f1b1f42229f5dc85e71db8eb2fa4242dae10fe5380a2c033ed7468edf4d89
MD5 hash:
63de0ef47996d9c3903bc70ef5c4cfca
SHA1 hash:
a6976bdcc669298fc5c429749a2641bf27b310b8
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