banload | ef66d3ed5d41a5adc633a124c3aacfa4b91590ea9c92630e9713cf9b5a68cd3e

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03-05-2024 01:07

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General

Target

#Frée-FɨLéŜ-!PằŜSwṟo͍d--63180/Setup.exe
Size

8.5MB
MD5

98169506fec94c2b12ba9930ad704515
SHA1

bce662a9fb94551f648ba2d7e29659957fd6a428
SHA256

9b8a5b0a45adf843e24214b46c285e44e73bc6eaf9e2a3b2c14a6d93ae541363
SHA512

7f4f7ac2326a1a8b7afc72822dae328753578eb0a4ffcec5adb4e4fb0c49703070f71e7411df221ee9f44d6b43a0a94921fe530877c5d5e71640b807e96def30
SSDEEP

196608:vdoUox8PFOegKz+qE1cnuyHgv3eZaOxqeXY4K:vC0O9m7EWEvbOxqetK

Score

10^/10

banload vidar downloader dropper evasion persistence stealer trojan

Malware Config

Signatures

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

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/2104-49-0x0000000000E00000-0x000000000154B000-memory.dmp	family_vidar_v7
behavioral2/memory/2104-58-0x0000000000E00000-0x000000000154B000-memory.dmp	family_vidar_v7
behavioral2/memory/2104-59-0x0000000000E00000-0x000000000154B000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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

T1012

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 3052	4688	Setup.exe	86

Loads dropped DLL 1 IoCs

pid	Process
2104	BvInputDiag.exe

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
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\ = "C:\\Windows\\System32\\IME\\shared\\imjkapi.dll"	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32\ThreadingModel = "Apartment"	Setup.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4720	2104	WerFault.exe	96

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\VersionIndependentProgID	Setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}	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\ThreadingModel = "Apartment"	Setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ProgID	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ProgID\ = "IMEAPI.CImeProductObjectJK.15"	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\TypeLib\ = "{da524058-bdb4-482a-997a-338ae04d7156}"	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ = "CImeProductObject_JK Class"	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32\ = "C:\\Windows\\System32\\IME\\shared\\imjkapi.dll"	Setup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\TypeLib	Setup.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\VersionIndependentProgID\ = "IMEAPI.CImeProductObjectJK"	Setup.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4688	Setup.exe
4688	Setup.exe
3052	netsh.exe
3052	netsh.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4688	Setup.exe
3052	netsh.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3052	4688	Setup.exe	86
PID 4688 wrote to memory of 3052	4688	Setup.exe	86
PID 4688 wrote to memory of 3052	4688	Setup.exe	86
PID 4688 wrote to memory of 3052	4688	Setup.exe	86
PID 3052 wrote to memory of 2104	3052	netsh.exe	96
PID 3052 wrote to memory of 2104	3052	netsh.exe	96
PID 3052 wrote to memory of 2104	3052	netsh.exe	96
PID 3052 wrote to memory of 2104	3052	netsh.exe	96
PID 3052 wrote to memory of 2104	3052	netsh.exe	96

C:\Users\Admin\AppData\Local\Temp\#Frée-FɨLéŜ-!PằŜSwṟo͍d--63180\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\#Frée-FɨLéŜ-!PằŜSwṟo͍d--63180\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\SysWOW64\netsh.exe
  C:\Windows\SysWOW64\netsh.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Users\Admin\AppData\Local\Temp\BvInputDiag.exe
    C:\Users\Admin\AppData\Local\Temp\BvInputDiag.exe
    3⤵
    - Loads dropped DLL
    PID:2104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 1188
      4⤵
      Program crash
      PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2104 -ip 2104
1⤵
PID:1920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BvInputDiag.exe

Filesize
136KB

MD5
3d754cfa4a5b2a3f19720550acf6d3cf

SHA1
e5c78edbd54e14a42258a6c223d2cf128530e1b6

SHA256
8e5e627881c8182bfbb64601c6f4f7b30ba950dfd10f638f404479406b2c03b8

SHA512
18db06443a718b8233ac9724e7f96310bf5841d2c980cd1d02e6fb6743e23acc13bd67fcd214b4c0650ac933f6f081759d699c73e14baf26ffc324c2b30f153b

Download Submit
C:\Users\Admin\AppData\Local\Temp\c6f3e30f

Filesize
6.0MB

MD5
ff1aa6be4d57fe35f3f540d99faa2919

SHA1
349d00b86d7bc3ae6640e491bb9fa2a7205bf6d5

SHA256
27b4ef0be10db5cc3ebb7658fef9f2f65aa5005813d050ca9b0fe31ef859de11

SHA512
90516a2a3d67de7c64ba7fe0c2a5b84824be36aa3c25b41653204a11a3545c394e165f0688e9d470ffffc7c900c219cc4826807045980af4d5b749a92217d410

Download Submit
memory/2104-59-0x0000000000E00000-0x000000000154B000-memory.dmp

Filesize
7.3MB

Download
memory/2104-58-0x0000000000E00000-0x000000000154B000-memory.dmp

Filesize
7.3MB

Download
memory/2104-51-0x00007FFCB2950000-0x00007FFCB2B45000-memory.dmp

Filesize
2.0MB

Download
memory/2104-49-0x0000000000E00000-0x000000000154B000-memory.dmp

Filesize
7.3MB

Download
memory/3052-46-0x0000000074181000-0x000000007418F000-memory.dmp

Filesize
56KB

Download
memory/3052-43-0x0000000074181000-0x000000007418F000-memory.dmp

Filesize
56KB

Download
memory/3052-42-0x000000007418E000-0x0000000074190000-memory.dmp

Filesize
8KB

Download
memory/3052-39-0x00007FFCB2950000-0x00007FFCB2B45000-memory.dmp

Filesize
2.0MB

Download
memory/4688-17-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/4688-36-0x00007FFC947A0000-0x00007FFC94912000-memory.dmp

Filesize
1.4MB

Download
memory/4688-35-0x00007FFC947A0000-0x00007FFC94912000-memory.dmp

Filesize
1.4MB

Download
memory/4688-34-0x00007FFC947B8000-0x00007FFC947B9000-memory.dmp

Filesize
4KB

Download
memory/4688-20-0x00007FFC947A0000-0x00007FFC94912000-memory.dmp

Filesize
1.4MB

Download
memory/4688-19-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/4688-16-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/4688-0-0x0000000004020000-0x0000000004208000-memory.dmp

Filesize
1.9MB

Download
memory/4688-15-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/4688-14-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/4688-12-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download
memory/4688-10-0x0000000000400000-0x0000000001CF7000-memory.dmp

Filesize
25.0MB

Download