923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666

Analysis

max time kernel
128s
max time network
186s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 16:30

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General

Target

923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
Size

240KB
MD5

7d665965ddaf263a6d8256ff70745e8a
SHA1

6a20c5ae5bc01e92dc18e645e5a92fb739437e32
SHA256

923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666
SHA512

366143229f2e8770a5b40c89ee534d40e0c1b4d0f21c6f98fe950b590eb1add0077a0a3484cb18d376f4f8f0a7ccfbb5c95fa9759dc871c8fc7ae8265cc96e15
SSDEEP

3072:jDN7LCCyS2ZzVokNTGUAuIvDpqDpsiNJkQ4kCLQ619M61D5WEz2Xp:ryS2ZzVzNSU9IUDGizikcPD5WEz2

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 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	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1776 set thread context of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 948 set thread context of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A3BD7741-7924-11ED-BB5A-5A9C998014C3} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377508366"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
Token: SeDebugPrivilege	872	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
668	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
668	IEXPLORE.EXE
668	IEXPLORE.EXE
872	IEXPLORE.EXE
872	IEXPLORE.EXE
872	IEXPLORE.EXE
872	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 1776 wrote to memory of 948	1776	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	28
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 948 wrote to memory of 316	948	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	29
PID 316 wrote to memory of 1864	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	30
PID 316 wrote to memory of 1864	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	30
PID 316 wrote to memory of 1864	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	30
PID 316 wrote to memory of 1864	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	30
PID 1864 wrote to memory of 668	1864	iexplore.exe	31
PID 1864 wrote to memory of 668	1864	iexplore.exe	31
PID 1864 wrote to memory of 668	1864	iexplore.exe	31
PID 1864 wrote to memory of 668	1864	iexplore.exe	31
PID 668 wrote to memory of 872	668	IEXPLORE.EXE	33
PID 668 wrote to memory of 872	668	IEXPLORE.EXE	33
PID 668 wrote to memory of 872	668	IEXPLORE.EXE	33
PID 668 wrote to memory of 872	668	IEXPLORE.EXE	33
PID 316 wrote to memory of 872	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	33
PID 316 wrote to memory of 872	316	923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe	33

C:\Users\Admin\AppData\Local\Temp\923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
"C:\Users\Admin\AppData\Local\Temp\923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Users\Admin\AppData\Local\Temp\923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
  "C:\Users\Admin\AppData\Local\Temp\923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.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\923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe
    "C:\Users\Admin\AppData\Local\Temp\923a30bdef24cbfbfd9fc08ab30f3f01e3dc980ef7db1906abfc81b9b45c3666.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:316
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1864
    - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:668
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:668 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

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\Microsoft\Windows\Cookies\6AJ9K6ZZ.txt

Filesize
608B

MD5
a2858aba3fc289efb0d6c8872d359932

SHA1
4c24a8d8fa69add517657f991833cc797d416b3f

SHA256
73ba0325439b6a39702ddef76fb0f3301784d1f19631d36253487d2089811d72

SHA512
1830c6979a5933c7ad21d172c72156f8f0ca065b91669fb8249f661016c75226b4423461e90c8a717a2809279d733e679cd2a8e7c6d3cdbbfd8c2aac3d45c4e0

Download Submit
memory/316-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-76-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-88-0x0000000000330000-0x000000000037E000-memory.dmp

Filesize
312KB

Download
memory/316-74-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-87-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-69-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-71-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/316-78-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/948-73-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/948-81-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/948-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/948-63-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/948-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/948-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1776-56-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download