MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de0f7866ed19406786d7ae192890e20b2a105f5cb00fbd1ba5e5f5aef9184a73. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de0f7866ed19406786d7ae192890e20b2a105f5cb00fbd1ba5e5f5aef9184a73
SHA3-384 hash: 61cfcb8c99c1fea633dfa9e08212593d8e21d674b3207d8148917fddf4415478af992b8963acc33c6dfbe9e64a16a9e2
SHA1 hash: 79c1eb7fa28613739971d8fd6f1519e76ce9a2d8
MD5 hash: 400280e91cfa2e715bde02ee36eb515b
humanhash: burger-quiet-cardinal-seventeen
File name:inq 0394511 JPG.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:691'960 bytes
First seen:2023-01-24 14:59:23 UTC
Last seen:2023-01-25 11:48:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 12288:ekvld8NVtfk9jx5jQDhFGdGXcBeBtDmRW7OYM:eeHiM9l5jgwMDLOx
TLSH T1A1E407527059808EE8A738F3685FC07014A02EAE92ADD25D66F67B2649F2313CC5FF5D
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 2719396462191933 (2 x GuLoader)
Reporter TeamDreier
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Purplewood
Issuer:Purplewood
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-24T07:52:53Z
Valid to:2026-01-23T07:52:53Z
Serial number: 1680ff06ea86f6a9
Thumbprint Algorithm:SHA256
Thumbprint: 06329f09be7bb7d115fdc3528aba961393bdc6acb5ddc174577bd7fa539af65d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
inq 0394511 JPG.exe
Verdict:
Malicious activity
Analysis date:
2023-01-24 15:00:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9a9e7c40-da1a-4883-9e87-f7a57fce44a4

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/356413/
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62770/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63cff288905a5ac3b9089e04/reports/205caf41-4ad0-4e3f-8163-f477e9f69bfc/overview
Result
Verdict:
UNKNOWN
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/edc19828-706d-4f80-95f4-d1bc547961c2
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157974
Signature
Mass process execution to delay analysis
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 ftp login credentials
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790711 Sample: inq 0394511 JPG.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 43 enlluec.tk 2->43 45 api4.ipify.org 2->45 47 api.ipify.org 2->47 55 Snort IDS alert for network traffic 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected GuLoader 2->59 61 5 other signatures 2->61 8 inq 0394511 JPG.exe 1 31 2->8         started        signatures3 process4 file5 37 Microsoft.Practice...UnityExtensions.dll, PE32+ 8->37 dropped 39 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\System.dll, PE32 8->41 dropped 63 Obfuscated command line found 8->63 65 Writes to foreign memory regions 8->65 67 Tries to detect Any.run 8->67 12 CasPol.exe 15 12 8->12         started        16 CasPol.exe 8->16         started        18 cmd.exe 8->18         started        20 65 other processes 8->20 signatures6 process7 dnsIp8 51 api4.ipify.org 173.231.16.76, 443, 49804 WEBNXUS United States 12->51 53 enlluec.tk 103.83.194.19, 443, 49803 NETWORK-LEAPSWITCH-INLeapSwitchNetworksPvtLtdIN United States 12->53 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->69 71 Tries to steal Mail credentials (via file / registry access) 12->71 73 Tries to harvest and steal ftp login credentials 12->73 79 2 other signatures 12->79 22 dw20.exe 22 12 12->22         started        25 conhost.exe 12->25         started        75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->75 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->77 27 Conhost.exe 18->27         started        29 Conhost.exe 20->29         started        31 Conhost.exe 20->31         started        33 Conhost.exe 20->33         started        35 60 other processes 20->35 signatures9 process10 dnsIp11 49 192.168.11.1 unknown unknown 22->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de0f7866ed19406786d7ae192890e20b2a105f5cb00fbd1ba5e5f5aef9184a73/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2023-01-24 15:17:34 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
19 of 39 (48.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3yhxqzxndfagpbwxvymsrehcbmvbax24wah32g5f4x2256iyjjzq._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230124-sdbxdsdg7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9
MD5 hash:
b648c78981c02c434d6a04d4422a6198
SHA1 hash:
74d99eed1eae76c7f43454c01cdb7030e5772fc2
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/6f652be5-3153-4f6a-b505-b09b3fcb370c/
Parent samples :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 hash:
88c0cb3f0b0633bb21184e1b6a9c48ca45e544922de2f73e3089538ca1180b79
MD5 hash:
da9405294ee33017a48eb728347dd68d
SHA1 hash:
639a44069006281abe7a5c9ede2a96d9abc0b18b
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/6f652be5-3153-4f6a-b505-b09b3fcb370c/
Parent samples :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 hash:
64edc106d22d4ae16bf10757ecc7db8c5ff3061ded32f1239e91a600343bda3b
MD5 hash:
939dc741660c800d04f54fb6d5fd7236
SHA1 hash:
15a926b2d7db7350d0d028344e21e874a2d60fc5
Link:
https://www.unpac.me/results/6f652be5-3153-4f6a-b505-b09b3fcb370c/
SH256 hash:
de0f7866ed19406786d7ae192890e20b2a105f5cb00fbd1ba5e5f5aef9184a73
MD5 hash:
400280e91cfa2e715bde02ee36eb515b
SHA1 hash:
79c1eb7fa28613739971d8fd6f1519e76ce9a2d8
Link:
https://www.unpac.me/results/6f652be5-3153-4f6a-b505-b09b3fcb370c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/de0f7866ed19406786d7ae192890e20b2a105f5cb00fbd1ba5e5f5aef9184a73

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:win_flawedammyy_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.flawedammyy.

File information

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

Malspam

GuLoader

Executable exe de0f7866ed19406786d7ae192890e20b2a105f5cb00fbd1ba5e5f5aef9184a73

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/356413/

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