MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a. 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


Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a
SHA3-384 hash: ffb343b385bd92b13cf060de98915e97dc8ed9bb0639de6feb226c1a6848574f5407192d55fb77603ad8c259f99dd742
SHA1 hash: 4a2d32fc7ae10dbc24cc2aee9cf79f8392cd574d
MD5 hash: d7f6fce22cb847c4687c499e82183aaa
humanhash: eighteen-bravo-east-crazy
File name:fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a
Download: download sample
File size:165'309 bytes
First seen:2023-01-06 11:12:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (304 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 3072:XQZvOsPPKedcI/bw8EeqPJUJ6xJAscP06+UklZxa6Z7Q/IFx0w7IIWH0y:XBejrqPJFHLcP+xNJlA
TLSH T1D0F302612BF288B3F55101355FB3A3BAF3F7C50052245A8B37D09FBA6CF5A56990128B
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):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a
Verdict:
Malicious activity
Analysis date:
2023-01-06 11:13:45 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/18516ab0-3999-4106-8689-f87c3982627f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/349996/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.31020.16397.20236.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63b8023f40e878e3042328a6/reports/a2596b64-09f8-4c68-8401-fed426b1f713/overview
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
Link:
https://analyze.intezer.com/analyses/0b55c384-3984-40d7-87f4-442ccb7c5835
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1146217
Signature
Antivirus detection for URL or domain
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Tries to detect Any.run
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-12-14 08:03:03 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nercogwhwp5gzbqxjcxvwlbood5wbxkf5aa52mxxoc33vqonofa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/230106-nbd7hsfg95/
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/894b41ff-1abb-494b-8d72-22878b80c2ec
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/4d5eda43-230d-4b27-88a5-8d2323815d59/
SH256 hash:
fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a
MD5 hash:
d7f6fce22cb847c4687c499e82183aaa
SHA1 hash:
4a2d32fc7ae10dbc24cc2aee9cf79f8392cd574d
Link:
https://www.unpac.me/results/4d5eda43-230d-4b27-88a5-8d2323815d59/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/fb491138d63d9fd36430ba457ad9617387db06ea2f400ee997bb85bdd60e6b8a

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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/349996/

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