MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8449481b03e016f68c8bf7c4db52348c29f4a0d85a7a78ebccfd7df8e1230ce. 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: | a8449481b03e016f68c8bf7c4db52348c29f4a0d85a7a78ebccfd7df8e1230ce |
|---|---|
| SHA3-384 hash: | d7ae3a7913cfbd709e7638c58295295dc39ab16babdda02eecc13774acb951324999737a6ebc7698979b911ceac82dd8 |
| SHA1 hash: | e32ffdcd5f1644fb976c729d5bbd32cdc46e843d |
| MD5 hash: | 63cba77b7691e53807df0afc98a5c93e |
| humanhash: | bluebird-virginia-bakerloo-bluebird |
| File name: | Outstanding Order_09807.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 310'856 bytes |
| First seen: | 2022-07-18 20:15:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla) |
| ssdeep | 6144:9DfePd/H/JL8JjIsXD7UFQZ2sKyrXQ3Eju17CFy5JJ:x0d/xLkDT202s5rXQ3kuwyh |
| Threatray | 3'534 similar samples on MalwareBazaar |
| TLSH | T1F164CFA3E55145E7ED250B31683B1D2E66677D7ABCB0F50F2A99B13527B33C3002B90A |
| 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): |  |
| dhash icon | 3d0103051121094c (1 x GuLoader) |
| Reporter |  GovCERT_CH |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | JIPIJAPA Artikulationernes Blodsdraabe |
|---|---|
| Issuer: | JIPIJAPA Artikulationernes Blodsdraabe |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-07-14T08:12:19Z |
| Valid to: | 2023-07-14T08:12:19Z |
| Serial number: | 3297c03f0cfda5 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | c454c76f03cfb14370a28d82d2f5e3d6863f4f69c9b19350a2c528540754e089 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
buer guloader nemesis overlay packed shell32.dll
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:
72 / 100
Signature
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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:
2022-07-14 17:30:36 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 3'524 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
a8449481b03e016f68c8bf7c4db52348c29f4a0d85a7a78ebccfd7df8e1230ce
MD5 hash:
63cba77b7691e53807df0afc98a5c93e
SHA1 hash:
e32ffdcd5f1644fb976c729d5bbd32cdc46e843d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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.
Malspam
Delivery method
Distributed via e-mail attachment
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