MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c8edfb818e8a68ef4c127122bf9ae430d6d43ece8c9e70627cccb44e486f2827. 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
| SHA256 hash: | c8edfb818e8a68ef4c127122bf9ae430d6d43ece8c9e70627cccb44e486f2827 |
|---|---|
| SHA3-384 hash: | a42eceea1ec59c97a60698e2e30f19a76b195278484e5580516329c25c35b3cd802dbcc41f2050f2fc3dda98c72baf0c |
| SHA1 hash: | bc5ad33e6d8eeb3565b3be5c604d0b92d457bf5e |
| MD5 hash: | 7ad378979a95ed85e5bc3c31fd947727 |
| humanhash: | tennis-yankee-west-illinois |
| File name: | Solostemmes249.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 298'836 bytes |
| First seen: | 2023-05-11 12:31:50 UTC |
| Last seen: | 2023-05-14 18:41:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki) |
| ssdeep | 6144:ex4veGehjmwGl36FROJyjD3yfUUyD8+yN/R8a/koagY3:o4GGRlqFmyjDSR3ggQ |
| Threatray | 795 similar samples on MalwareBazaar |
| TLSH | T1175412537B958DB3F6844A78493A6B2287F28D02F0537B8B5B543B95AD722434B0F6C3 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 7898b898b2b2ced6 (2 x GuLoader) |
| Reporter |  malwarelabnet |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
270
Origin country :
CAVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Solostemmes249.exe
Verdict:
Malicious activity
Analysis date:
2023-05-11 12:34:15 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
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
buer guloader overlay packed shell32.dll trickbot
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
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
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-05-11 07:41:18 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 785 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
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:
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
MD5 hash:
fbe295e5a1acfbd0a6271898f885fe6a
SHA1 hash:
d6d205922e61635472efb13c2bb92c9ac6cb96da
SH256 hash:
c8edfb818e8a68ef4c127122bf9ae430d6d43ece8c9e70627cccb44e486f2827
MD5 hash:
7ad378979a95ed85e5bc3c31fd947727
SHA1 hash:
bc5ad33e6d8eeb3565b3be5c604d0b92d457bf5e
Malware family:
GuLoader
Verdict:
Malicious
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.
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