fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 14:11

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General

Target

fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
Size

288KB
MD5

eb2aefd8d89c2b798efda3c000674954
SHA1

f623167734cf586ecd3e0b0a038921aa4b76c9ae
SHA256

fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3
SHA512

47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f
SSDEEP

6144:+4RKN7o1hYYZyr+fBs6ywacA5AcrbGsKF4WYBCtl8gIHuEBbgDxrR95lumbwxtvp:+4v2VyDq+XAyTFR

Score

10^/10

bootkit evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	msconfig11.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\msconfig11.exe"	msconfig11.exe

Executes dropped EXE 3 IoCs

pid	Process
268	msconfig11.exe
1700	msconfig11.exe
884	msconfig11.exe

Loads dropped DLL 2 IoCs

pid	Process
668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\msconfig11.exe"	msconfig11.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	msconfig11.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\msconfig11.exe"	msconfig11.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	msconfig11.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
File opened for modification	\??\PhysicalDrive0	msconfig11.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 948 set thread context of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 268 set thread context of 1700	268	msconfig11.exe	30
PID 1700 set thread context of 884	1700	msconfig11.exe	31

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
884	msconfig11.exe
884	msconfig11.exe
884	msconfig11.exe
884	msconfig11.exe
884	msconfig11.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
268	msconfig11.exe
1700	msconfig11.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 1048 wrote to memory of 948	1048	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	27
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 948 wrote to memory of 668	948	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	28
PID 668 wrote to memory of 268	668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	29
PID 668 wrote to memory of 268	668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	29
PID 668 wrote to memory of 268	668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	29
PID 668 wrote to memory of 268	668	fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe	29
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 268 wrote to memory of 1700	268	msconfig11.exe	30
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31
PID 1700 wrote to memory of 884	1700	msconfig11.exe	31

C:\Users\Admin\AppData\Local\Temp\fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
"C:\Users\Admin\AppData\Local\Temp\fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
  "C:\Users\Admin\AppData\Local\Temp\fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:948
- - C:\Users\Admin\AppData\Local\Temp\fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe
    "C:\Users\Admin\AppData\Local\Temp\fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:668
  - - C:\Users\Admin\AppData\Roaming\msconfig11.exe
      "C:\Users\Admin\AppData\Roaming\msconfig11.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:268
    - - C:\Users\Admin\AppData\Roaming\msconfig11.exe
        
        "C:\Users\Admin\AppData\Roaming\msconfig11.exe"
        5⤵
        Executes dropped EXE
        Writes to the Master Boot Record (MBR)
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1700
      - C:\Users\Admin\AppData\Roaming\msconfig11.exe
        
        "C:\Users\Admin\AppData\Roaming\msconfig11.exe"
        6⤵
        Modifies firewall policy service
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        
        PID:884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\msconfig11.exe

Filesize
288KB

MD5
eb2aefd8d89c2b798efda3c000674954

SHA1
f623167734cf586ecd3e0b0a038921aa4b76c9ae

SHA256
fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

SHA512
47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f

Download Submit
C:\Users\Admin\AppData\Roaming\msconfig11.exe

Filesize
288KB

MD5
eb2aefd8d89c2b798efda3c000674954

SHA1
f623167734cf586ecd3e0b0a038921aa4b76c9ae

SHA256
fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

SHA512
47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f

Download Submit
C:\Users\Admin\AppData\Roaming\msconfig11.exe

Filesize
288KB

MD5
eb2aefd8d89c2b798efda3c000674954

SHA1
f623167734cf586ecd3e0b0a038921aa4b76c9ae

SHA256
fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

SHA512
47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f

Download Submit
C:\Users\Admin\AppData\Roaming\msconfig11.exe

Filesize
288KB

MD5
eb2aefd8d89c2b798efda3c000674954

SHA1
f623167734cf586ecd3e0b0a038921aa4b76c9ae

SHA256
fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

SHA512
47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f

Download Submit
\Users\Admin\AppData\Roaming\msconfig11.exe

Filesize
288KB

MD5
eb2aefd8d89c2b798efda3c000674954

SHA1
f623167734cf586ecd3e0b0a038921aa4b76c9ae

SHA256
fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

SHA512
47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f

Download Submit
\Users\Admin\AppData\Roaming\msconfig11.exe

Filesize
288KB

MD5
eb2aefd8d89c2b798efda3c000674954

SHA1
f623167734cf586ecd3e0b0a038921aa4b76c9ae

SHA256
fbea92aca392eecdf2ce4487d1db63312ba7e4210bbd567f2091b4e45a8046a3

SHA512
47deeee57716572ac937b4f31e44b347de1cf4f0457f891134b75ef1f0cb0a68078b33078a692af324e31182dfd427aeafbf2e05de7e8ff34735b07caa89605f

Download Submit
memory/668-78-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-71-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-68-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-67-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-70-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-77-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/668-72-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-79-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-73-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/884-114-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/884-115-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/948-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/948-76-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/948-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/948-59-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/948-57-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1700-109-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download