MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fed0556f87884c7d40eadd3e2f22d432da0b5854edda4404a936f5b66e00b534. 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: 9
| SHA256 hash: | fed0556f87884c7d40eadd3e2f22d432da0b5854edda4404a936f5b66e00b534 |
|---|---|
| SHA3-384 hash: | b97a61376c4f40efd47d2e85ba3a653b4222186dad45843e3d81d7f2df6536ba884a4e5343455c2e12695c259ceae876 |
| SHA1 hash: | 2692590176abf1deaba1ffe4ce6b2e5255a0af64 |
| MD5 hash: | f166d6ae311679fb81b13c340d0e7738 |
| humanhash: | colorado-ohio-oxygen-diet |
| File name: | invoice4346.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 386'948 bytes |
| First seen: | 2023-07-10 12:22:50 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+ff03IvTWR1wHa98hU3DHCMf6rbZX:QqCnhe2e42Czw69kgH3fuX |
| Threatray | 3'244 similar samples on MalwareBazaar |
| TLSH | T17B845A9239D975AFEC2F4678035FEAB22A795CE07381086E5F40760D4C3664A80EDDD7 |
| 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 :
292
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice4346.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-10 12:27:31 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control guloader 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.spyw.evad
Score:
100 / 100
Signature
Initial sample is a PE file and has a suspicious name
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 has a suspicious name (potential lure to open the executable)
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 10:10:23 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
20 of 38 (52.63%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
cloudeye
Similar samples:
+ 3'234 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2
MD5 hash:
6ad39193ed20078aa1b23c33a1e48859
SHA1 hash:
95e70e4f47aa1689cc08afbdaef3ec323b5342fa
SH256 hash:
fed0556f87884c7d40eadd3e2f22d432da0b5854edda4404a936f5b66e00b534
MD5 hash:
f166d6ae311679fb81b13c340d0e7738
SHA1 hash:
2692590176abf1deaba1ffe4ce6b2e5255a0af64
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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