MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 22b6816c45f86b303404b94b09b852a910d4ef335c05244c4acf6450ed86572b. 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
| SHA256 hash: | 22b6816c45f86b303404b94b09b852a910d4ef335c05244c4acf6450ed86572b |
|---|---|
| SHA3-384 hash: | 6e98ef62dba5262bf4dd9c900d1866975adcace77928cd101b33256301baa9abe904dbdcdae64dd7c9a77a4fd0d9950c |
| SHA1 hash: | 43e0065a86b944771992db8af0cad4ee86631aa4 |
| MD5 hash: | f022d5f21c803c1936e2c6f28f0f9240 |
| humanhash: | november-mexico-cold-oranges |
| File name: | Factura 1-000816pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 371'234 bytes |
| First seen: | 2023-07-10 12:22:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b40f29cd171eb54c01b1dd2683c9c26b (45 x GuLoader, 16 x RemcosRAT, 15 x VIPKeylogger) |
| ssdeep | 6144:/oShfEPZVheNA+ff03j2NVag8mLWUkCs3dD1A2uwxMf6rbmOuGot:QqCnhe2e4j2627kCsERwGfvdt |
| Threatray | 911 similar samples on MalwareBazaar |
| TLSH | T1C78449A239DA356FEC2F4674035FEAB22A795CD07382496E4F40760D0C3694A90EEDD7 |
| TrID | 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133) 3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 1.1% (.EXE) Win64 Executable (generic) (10523/12/4) 0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.5% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | c88604b919c6c6c0 (77 x GuLoader, 10 x Formbook, 8 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
278
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Factura 1-000816pdf.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-10 12:27:02 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Delayed reading of the file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
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.
Verdict:
Unknown
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2023-07-10 07:57:45 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
18 of 38 (47.37%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 901 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2
MD5 hash:
6ad39193ed20078aa1b23c33a1e48859
SHA1 hash:
95e70e4f47aa1689cc08afbdaef3ec323b5342fa
SH256 hash:
22b6816c45f86b303404b94b09b852a910d4ef335c05244c4acf6450ed86572b
MD5 hash:
f022d5f21c803c1936e2c6f28f0f9240
SHA1 hash:
43e0065a86b944771992db8af0cad4ee86631aa4
Malware family:
GuLoader
Verdict:
Malicious
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.
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