banload | 0ca3b1c2202d5107d74e28fca4a84a8da8fbe9799297ea82f016e9aecce3fdab | Triage

Analysis

max time kernel
156s
max time network
286s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
10-07-2024 10:23

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General

Target

!ŞetUp_92517--#PaSꞨKḙy#$$/Setup.exe
Size

8.5MB
MD5

98169506fec94c2b12ba9930ad704515
SHA1

bce662a9fb94551f648ba2d7e29659957fd6a428
SHA256

9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363
SHA512

7f4f7ac2326a1a8b7afc72822dae328753578eb0a4ffcec5adb4e4fb0c49703070f71e7411df221ee9f44d6b43a0a94921fe530877c5d5e71640b807e96def30
SSDEEP

196608:vdoUox8PFOegKz+qE1cnuyHgv3eZaOxqeXY4K:vC0O9m7EWEvbOxqetK

Score

10^/10

banload downloader dropper evasion persistence privilege_escalation trojan

Malware Config

Signatures

Banload
Banload variants download malicious files, then install and execute the files.
trojan dropper downloader banload

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

Query Registry

Virtualization/Sandbox Evasion

Processes:

Setup.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

Setup.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Setup.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description	pid	Process	procid_target
PID 72 set thread context of 2796	72	Setup.exe	81

Modifies registry class 5 IoCs

Processes:

Setup.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32\ThreadingModel = "Apartment"	Setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ = "Physical Keyboard Skin Class"	Setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32\ = "%CommonProgramFiles%\\microsoft shared\\ink\\tabskb.dll"	Setup.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Setup.exemore.com

pid	Process
72	Setup.exe
72	Setup.exe
2796	more.com
2796	more.com

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Setup.exemore.com

pid	Process
72	Setup.exe
2796	more.com

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Setup.exemore.com

description	pid	Process	procid_target
PID 72 wrote to memory of 2796	72	Setup.exe	81
PID 72 wrote to memory of 2796	72	Setup.exe	81
PID 72 wrote to memory of 2796	72	Setup.exe	81
PID 72 wrote to memory of 2796	72	Setup.exe	81
PID 2796 wrote to memory of 2712	2796	more.com	83
PID 2796 wrote to memory of 2712	2796	more.com	83
PID 2796 wrote to memory of 2712	2796	more.com	83
PID 2796 wrote to memory of 2712	2796	more.com	83

C:\Users\Admin\AppData\Local\Temp\!ŞetUp_92517--#PaSꞨKḙy#$$\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\!ŞetUp_92517--#PaSꞨKḙy#$$\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:72
- C:\Windows\SysWOW64\more.com
  C:\Windows\SysWOW64\more.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\SearchIndexer.exe
    C:\Windows\SysWOW64\SearchIndexer.exe
    3⤵
    PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

Component Object Model Hijacking

Privilege Escalation

Event Triggered Execution

Component Object Model Hijacking

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\232f0f1b

Filesize
1.1MB

MD5
6411848b0890ecf9e5de9318d23bb73d

SHA1
0c4076f1dca37916a2acd84c01db77374da53e84

SHA256
1664d6e5d33ddabfe137e9a096676f5d6d599dd4bc9b5a54b81450035ce36ca8

SHA512
d2b137f044201edc3cabf999d28b3f5363615980278567adc71baf4be37fd5f4a93ccb6e3be65b04edd44b21759cf466f487f30fe28053efff5579202ff47602

Download Submit
memory/72-35-0x00007FF9058E0000-0x00007FF905D4C000-memory.dmp

Filesize
4.4MB

Download
memory/72-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/72-36-0x00007FF9058E0000-0x00007FF905D4C000-memory.dmp

Filesize
4.4MB

Download
memory/72-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/72-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/72-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/72-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/72-20-0x00007FF9058E0000-0x00007FF905D4C000-memory.dmp

Filesize
4.4MB

Download
memory/72-34-0x00007FF9058F8000-0x00007FF9058F9000-memory.dmp

Filesize
4KB

Download
memory/72-0-0x00000000040A0000-0x0000000004288000-memory.dmp

Filesize
1.9MB

Download
memory/72-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/72-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/2712-45-0x00007FF906CC0000-0x00007FF906EC9000-memory.dmp

Filesize
2.0MB

Download
memory/2712-46-0x0000000000C10000-0x0000000000C7E000-memory.dmp

Filesize
440KB

Download
memory/2712-47-0x0000000000C10000-0x0000000000C7E000-memory.dmp

Filesize
440KB

Download
memory/2796-39-0x00007FF906CC0000-0x00007FF906EC9000-memory.dmp

Filesize
2.0MB

Download
memory/2796-41-0x0000000076C7E000-0x0000000076C80000-memory.dmp

Filesize
8KB

Download
memory/2796-40-0x0000000076C70000-0x00000000770AB000-memory.dmp

Filesize
4.2MB

Download
memory/2796-42-0x0000000076C70000-0x00000000770AB000-memory.dmp

Filesize
4.2MB

Download
memory/2796-44-0x0000000076C70000-0x00000000770AB000-memory.dmp

Filesize
4.2MB

Download
memory/2796-48-0x0000000076C7E000-0x0000000076C80000-memory.dmp

Filesize
8KB

Download