MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 42ff703cc63bd080af259c63b1a79c62c280692dbc4c70282c4a1eba788f0287. 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: | 42ff703cc63bd080af259c63b1a79c62c280692dbc4c70282c4a1eba788f0287 |
|---|---|
| SHA3-384 hash: | d2275d7526742647acf57be8a2c3b4727c99b72d205412fee9e5ed9f40fe33f94cb0ec9b90ff591c7a208189786242a9 |
| SHA1 hash: | 3e16dd8284a1daff0b0b7cfee8af6f7ca7ef2034 |
| MD5 hash: | c93dfa5b4e3261d8df32c24ec5cf9556 |
| humanhash: | helium-nitrogen-pennsylvania-pizza |
| File name: | c93dfa5b4e3261d8df32c24ec5cf9556 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 161'064 bytes |
| First seen: | 2022-07-20 13:50:28 UTC |
| Last seen: | 2022-07-23 04:23:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla) |
| ssdeep | 3072:wkBGWOsTIJgIDU5A/cmjjb/PDnGYMOPwU5JL2mx1wJhLsVcDn+Ljf9OUJo:w1ssjhjzGVwpxURs6L4jVS |
| Threatray | 3'790 similar samples on MalwareBazaar |
| TLSH | T1FCF301C11660C6A3ED7395B009BA3F12CFB1EA6262D446434758BA097E73783C71F283 |
| 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 | f4e8ccdcccdcdcd4 (1 x GuLoader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader signed |
Code Signing Certificate
| Organisation: | seward Amintor Bolivianerens |
|---|---|
| Issuer: | seward Amintor Bolivianerens |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-02-04T14:36:39Z |
| Valid to: | 2025-02-03T14:36:39Z |
| Serial number: | -0858674256b1b4c9 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 24e11b60b1d1cf4e2fc76d60f810453bd906856abfe299418c4bb10cf1736856 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
buer 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.
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2022-07-19 19:16:24 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 39 (51.28%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 3'780 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
42ff703cc63bd080af259c63b1a79c62c280692dbc4c70282c4a1eba788f0287
MD5 hash:
c93dfa5b4e3261d8df32c24ec5cf9556
SHA1 hash:
3e16dd8284a1daff0b0b7cfee8af6f7ca7ef2034
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.02
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.
Web download
Delivery method
Distributed via web download
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://208.67.105.179/petitzx.exe