MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b29f337a32ff665d1a88419f2ca2ecede9986bf51027a125ff85fea1e54cafb5. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: b29f337a32ff665d1a88419f2ca2ecede9986bf51027a125ff85fea1e54cafb5
SHA3-384 hash: 65ae98234549c38debf37c26419f9b4fdce2f8af02dd7418df0068569af8a434d29294d2f28d3f2d63c7199dbae391db
SHA1 hash: f361b7e717db43ca4a6614c7344b1a67cd4fe9e7
MD5 hash: 35ca8b572bca34d8223238e23dd2897d
humanhash: montana-seventeen-helium-music
File name:Shipment Document BLINV and packing list.jpg.exe
Download: download sample
Signature GuLoader
File size:376'576 bytes
First seen:2022-10-27 13:12:29 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:J6dbOGzzzzzzzzzzzzzzzzzzzzzzzzzzzzkzTzzzzzzQtkauL/sVfEBlUbrQ2In3:Itka2UbrQlZb3jSGZNiRH6U59j+9z6sN
TLSH T1F3848EA1F385A892D81B42F5C876D93010AF966C84B4491E315DBE297EF334614EBECF
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon ccd4f4e49ebeac4c (1 x GuLoader)
Reporter James_inthe_box
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-14T16:07:51Z
Valid to:2025-03-13T16:07:51Z
Serial number: 29179e58b250b9ea
Thumbprint Algorithm:SHA256
Thumbprint: c80e1d0953360f85b3be609781f3ca43e56312fdf09e33056d8d18a2c168c19c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
Shipment Document BLINV and packing list.jpg.exe
Verdict:
Malicious activity
Analysis date:
2022-10-27 13:13:04 UTC
Tags:
guloader

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

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
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
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
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
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
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: 731996 Sample: Shipment Document BLINV and... Startdate: 27/10/2022 Architecture: WINDOWS Score: 100 32 www.xx8g405.top 2->32 34 www.winnersclub.live 2->34 36 33 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 8 other signatures 2->60 11 Shipment Document BLINV and packing list.jpg.exe 7 40 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 68 Tries to detect Any.run 11->68 15 Shipment Document BLINV and packing list.jpg.exe 6 11->15         started        signatures6 process7 dnsIp8 44 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49834 MICROSOFT-CORP-MSN-AS-BLOCKUS 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 15->19 injected signatures9 process10 dnsIp11 38 www.fatashow.com 103.224.212.222, 49845, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->38 40 durableshippingcontainers.com 151.106.103.138, 49853, 80 PLUSSERVER-ASN1DE Germany 19->40 42 11 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 wscript.exe 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2022-10-27 04:16:47 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
8 of 41 (19.51%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cloudeye
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hn73 discovery rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Gathering data
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

File information


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

  
Delivery method
Other

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