MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ace7e59fa80a108d4f3fd0a56a99f03d17e56ec2c756092aa65b910352f59921. 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: 8
| SHA256 hash: | ace7e59fa80a108d4f3fd0a56a99f03d17e56ec2c756092aa65b910352f59921 |
|---|---|
| SHA3-384 hash: | be3b2746d4e6c65ae3aa30d76830680b60b7dcfcc96383738e5253e56fc9a51abcba255a79c74312a6ba370c50e28c10 |
| SHA1 hash: | aebd72eb5bdd02500e025d66f88a2c402123be4e |
| MD5 hash: | 43e358c57ce367fb308c9c9e41c3820c |
| humanhash: | autumn-eight-vermont-kentucky |
| File name: | Shipment Document BLINV and packing list.jpg.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 163'840 bytes |
| First seen: | 2021-09-02 13:47:37 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7bb4370c9f7615b43986731832d97c63 (1 x GuLoader) |
| ssdeep | 3072:YdEMqH5sSgX8skW6aBuGoMPL5pjMrJFArbDjx+Eop:75sSD+BRvlpjMQrHjB |
| Threatray | 8'819 similar samples on MalwareBazaar |
| TLSH | T12AF39D737C6D5620F965C9382828B85132EA784DB30E9F5F34C6EF482570942A6F876F |
| Reporter |  James_inthe_box |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipment Document BLINV and packing list.jpg.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 13:50:59 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Verdict:
Malicious
Result
Threat name:
GuLoader FormBook
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
GuLoader behavior detected
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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
Potential malicious icon found
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Behaviour
Behavior Graph:
Detection:
guloader
Threat name:
Win32.Trojan.Mucc
Status:
Malicious
First seen:
2021-09-02 13:47:23 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
15 of 28 (53.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 8'809 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader campaign:bur0 downloader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Deletes itself
Formbook Payload
Formbook
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://www.mariahoeflriesch.com/bur0/
Unpacked files
SH256 hash:
49b04162c412105ab0857de16713724cbf3234a0b6ba51f3a5286312633f20c3
MD5 hash:
1f1b425190b2fb0396ad2d538b1060ba
SHA1 hash:
413f98641d46fdcabfcaf64f29495667de6282ea
SH256 hash:
ace7e59fa80a108d4f3fd0a56a99f03d17e56ec2c756092aa65b910352f59921
MD5 hash:
43e358c57ce367fb308c9c9e41c3820c
SHA1 hash:
aebd72eb5bdd02500e025d66f88a2c402123be4e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.31
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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