MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450
SHA3-384 hash: 41e6ab4769a8523de8113dd8772da4b75fa6e6d0907b12c1f5937f8424e6db8cb5fa0084db450df494cc28e4d693ec10
SHA1 hash: b21c973688ceab6f593f96f4ede7bf26290f84b6
MD5 hash: 1a3a72cfd544d61a7a9b650477460e89
humanhash: oregon-eighteen-gee-march
File name:1a3a72cfd544d61a7a9b650477460e89
Download: download sample
Signature GuLoader
Create hunting rule
File size:416'544 bytes
First seen:2023-06-10 03:56:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (53 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 6144:u6dgNzV+OT7EDnos/MzmtxBKh2ch8ot1oxLg7IboejhiCV0E4rpugBt:8P+OTIPMzmtxBwHPoxk7IfjhiTU6t
Threatray 1'452 similar samples on MalwareBazaar
TLSH T17B9401327B2CD82FF05514B1AEA2E3A97374ACD07CE5474777237B6E9978342A8C1249
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)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-11T09:01:59Z
Valid to:2026-01-10T09:01:59Z
Serial number: 7d87f3072ea82ad9ab90c4ef20a970a4715826d5
Thumbprint Algorithm:SHA256
Thumbprint: 248b4eae4cf38bed5b781a8f09ff99d137611762561fab07d14715374260ddd3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a3a72cfd544d61a7a9b650477460e89
Verdict:
Malicious activity
Analysis date:
2023-06-10 04:00:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fc3dae5f-be62-4d6d-ba53-8624d2d6bfd6

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/397447/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33891348.6942.1200.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90162/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6483f48fd9c56cc8fb4368b4/reports/8d4b668a-da53-466d-814b-36e0fa23d98a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450
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/f951ae17-a8c2-4c6c-81a9-6395825ec547
Result
Threat name:
GuLoader, AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252226
Signature
Antivirus detection for URL or domain
Installs a global keyboard hook
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-06-05 14:21:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6pk7xw7ozgwxdwtyghj2gct7ca3iuxac4qcvsho2kbi3sroaria._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
32e1dad6dd587d776e7c5bcce33d1337774b7dafbc84bbe984818cff295fc713
GuLoader
4eb8bed8591422f6065c3198d6c3464b14e438f6566003997d98b81d776f02b9
GuLoader
5fa925873a51c4c5ab5fbecc2796a90dcbd8bc564376a265e61444d1c6d04796
GuLoader
681b37be0d24067f1cb3b29fa998c9ff305841c53a686ac68c295f0784abf40e
GuLoader
6847d25820be1a4d252df58d3652e103f33af5a43f12febeae71ac66385b0380
GuLoader
6a21846587937c0cb2691901a619fe0c4553ca525bb0f4fa382eceebbc3e6c4d
GuLoader
c431a2df37a74aba2e2d4aba3b6261540ec26923a5ed97017ec92561ac926014
GuLoader
d1a298c0dc595b5860a8705fcf316d031704605ee23bed6afa2baf6a18c9f68e
GuLoader
d3142d091ef90e756c2d97c115ac048173ff385c3b625d45e9eba06afc3d5989
GuLoader
e66a524df69a19ea2fc31787e557c8738473af8e4dc7e5ca87619910b3f0a121
GuLoader
+ 1'442 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230610-ehxsrseb58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Unpacked files
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/370c7bfd-0c6d-440d-94bd-55271baa9977/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450
MD5 hash:
1a3a72cfd544d61a7a9b650477460e89
SHA1 hash:
b21c973688ceab6f593f96f4ede7bf26290f84b6
Link:
https://www.unpac.me/results/370c7bfd-0c6d-440d-94bd-55271baa9977/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450

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
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:SUSP_NullSoftInst_Combo_Oct20_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious NullSoft Installer combination with common Copyright strings
Reference:https://twitter.com/malwrhunterteam/status/1313023627177193472

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GuLoader

Executable exe c79eafdedf764d6b8ed3c18e9d1853f881b452e017202ac8eed2828dca2e0450

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/397447/
  
URLhaus
https://urlhaus.abuse.ch/url/2656767/

Comments


Avatar
zbet commented on 2023-06-10 03:56:49 UTC

url : hxxp://103.57.130.167/ssh001/wininit.exe