MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f68f1af4eb16d6d185899ace2e951c196a80591bde4134cf290e69eea91d5472. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: f68f1af4eb16d6d185899ace2e951c196a80591bde4134cf290e69eea91d5472
SHA3-384 hash: 3e8f18a73c447c005d1ea2467788c5b7d354f8c430796b566c768c3c80b8bd1f3826a75010a15838f6ec749770487656
SHA1 hash: ad9b03e8a40c2b6c0bcf25df94bb985f75d39b3a
MD5 hash: 4f07c1fbcd4be038a28a8d97b60c051d
humanhash: july-undress-social-delta
File name:MSPM101C104-092623.exe
Download: download sample
Signature GuLoader
File size:1'268'168 bytes
First seen:2023-09-28 09:32:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (277 x GuLoader, 44 x RemcosRAT, 39 x VIPKeylogger)
ssdeep 24576:b3i3zJToq3DBFl/PYm5HHzzdPKM07dwCIg9ad15BLEQlD/I27:b38zm3mRHzBPP076Ct9U15BAQlD/I27
Threatray 405 similar samples on MalwareBazaar
TLSH T15B4533952590C1B9FFA65A32443F5B3A3A731E5E0E64F6A68F88BB0FD8701D09E53443
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 fc9adca8a8b494de (2 x GuLoader, 1 x AgentTesla)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-06-01T06:47:50Z
Valid to:2026-05-31T06:47:50Z
Serial number: 30054cb921eff11af2aa817ef010d18521dca363
Thumbprint Algorithm:SHA256
Thumbprint: be883b7a061017a78630b0ac3b7533cb4e08879ac0be3de3083a6ebe6075deda
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
MSPM101C104-092623.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 09:32:46 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Creating a process from a recently created file
Launching a process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suspicious powershell command line found
Tries to detect Any.run
Tries to detect sandboxes / dynamic malware analysis system (file name check)
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 steal Mail credentials (via file / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1315742 Sample: MSPM101C104-092623.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected GuLoader 2->57 59 Yara detected AgentTesla 2->59 8 MSPM101C104-092623.exe 1 55 2->8         started        11 Myapp.exe 2 2->11         started        14 Myapp.exe 1 2->14         started        process3 file4 33 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\BgImage.dll, PE32 8->37 dropped 16 powershell.exe 12 8->16         started        69 Tries to detect sandboxes / dynamic malware analysis system (file name check) 11->69 19 conhost.exe 11->19         started        21 conhost.exe 14->21         started        signatures5 process6 signatures7 47 Suspicious powershell command line found 16->47 49 Very long command line found 16->49 51 Found suspicious powershell code related to unpacking or dynamic code loading 16->51 23 powershell.exe 13 16->23         started        26 conhost.exe 16->26         started        process8 signatures9 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->61 63 Writes to foreign memory regions 23->63 65 Tries to detect Any.run 23->65 67 Maps a DLL or memory area into another process 23->67 28 CasPol.exe 2 12 23->28         started        process10 dnsIp11 41 pernosgalvanizados.com 201.148.107.236, 49792, 587 HOSTINGCL Chile 28->41 43 googlehosted.l.googleusercontent.com 142.250.64.65, 443, 49791 GOOGLEUS United States 28->43 45 3 other IPs or domains 28->45 39 C:\Users\user\AppData\Roaming\...\Myapp.exe, PE32 28->39 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 28->71 73 Tries to steal Mail credentials (via file / registry access) 28->73 75 Tries to harvest and steal browser information (history, passwords, etc) 28->75 77 2 other signatures 28->77 file12 signatures13
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-09-26 13:38:23 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
15 of 23 (65.22%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Unpacked files
SH256 hash:
73abbc57661987e7a0aa7e43f6d7dcff63a74615d3b731d94891b05e0e19adcb
MD5 hash:
e2834a37c23a5c487b6e3a55eb95dd8a
SHA1 hash:
2ebc683fe079a8b0081283fd4adfff82f52dfa4d
SH256 hash:
1ece965ac1a7410c56c47532a43dd7e5b4db0263a8dca53f0554f7ff16003a8c
MD5 hash:
df3e949ba7901c3520698d403c7f1f5c
SHA1 hash:
6cd0bcdcd433cea81f90ecc1bf4e92e9a0d8fde2
SH256 hash:
f68f1af4eb16d6d185899ace2e951c196a80591bde4134cf290e69eea91d5472
MD5 hash:
4f07c1fbcd4be038a28a8d97b60c051d
SHA1 hash:
ad9b03e8a40c2b6c0bcf25df94bb985f75d39b3a
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Malspam

GuLoader

Executable exe f68f1af4eb16d6d185899ace2e951c196a80591bde4134cf290e69eea91d5472

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments