f9e5fe3194d9734845dd782b8e41065577ed7628a112934f1a57599f8dd92209

Analysis

max time kernel
1601s
max time network
1613s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 10:38

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General

Target

Bootstraper.exe
Size

71.0MB
MD5

e82c016015eb049019b94fd51ecd6e49
SHA1

bc230a8342944ddb28007baa2bd29cb07b29294e
SHA256

af5852b2f7312ac76fcd4ec798b8aacf7a5338b329664d2a79a6f31619230828
SHA512

4faa37bf5cebc40469379671e6fe88344fcc9df54ac99d7ec179f04aeaa5d805d0a935b43d79747542cfc329e1f1e78d95cbe6db9235f994cc0fdfbb6e156b98
SSDEEP

393216:Hqc1qcLg6WDV34gkpyfVEHqy2I6Sug+FIOMWg6SvbMK1UO9mBX2GWjNYi1M:Kc1qcLgtDV3fq235ghiSjMKny2GWBM

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1156	powershell.exe
4984	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1156	powershell.exe
1156	powershell.exe
4984	powershell.exe
4984	powershell.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	1156	powershell.exe
Token: SeDebugPrivilege	4984	powershell.exe
Token: SeIncreaseQuotaPrivilege	3844	wmic.exe
Token: SeSecurityPrivilege	3844	wmic.exe
Token: SeTakeOwnershipPrivilege	3844	wmic.exe
Token: SeLoadDriverPrivilege	3844	wmic.exe
Token: SeSystemProfilePrivilege	3844	wmic.exe
Token: SeSystemtimePrivilege	3844	wmic.exe
Token: SeProfSingleProcessPrivilege	3844	wmic.exe
Token: SeIncBasePriorityPrivilege	3844	wmic.exe
Token: SeCreatePagefilePrivilege	3844	wmic.exe
Token: SeBackupPrivilege	3844	wmic.exe
Token: SeRestorePrivilege	3844	wmic.exe
Token: SeShutdownPrivilege	3844	wmic.exe
Token: SeDebugPrivilege	3844	wmic.exe
Token: SeSystemEnvironmentPrivilege	3844	wmic.exe
Token: SeRemoteShutdownPrivilege	3844	wmic.exe
Token: SeUndockPrivilege	3844	wmic.exe
Token: SeManageVolumePrivilege	3844	wmic.exe
Token: 33	3844	wmic.exe
Token: 34	3844	wmic.exe
Token: 35	3844	wmic.exe
Token: 36	3844	wmic.exe
Token: SeIncreaseQuotaPrivilege	3844	wmic.exe
Token: SeSecurityPrivilege	3844	wmic.exe
Token: SeTakeOwnershipPrivilege	3844	wmic.exe
Token: SeLoadDriverPrivilege	3844	wmic.exe
Token: SeSystemProfilePrivilege	3844	wmic.exe
Token: SeSystemtimePrivilege	3844	wmic.exe
Token: SeProfSingleProcessPrivilege	3844	wmic.exe
Token: SeIncBasePriorityPrivilege	3844	wmic.exe
Token: SeCreatePagefilePrivilege	3844	wmic.exe
Token: SeBackupPrivilege	3844	wmic.exe
Token: SeRestorePrivilege	3844	wmic.exe
Token: SeShutdownPrivilege	3844	wmic.exe
Token: SeDebugPrivilege	3844	wmic.exe
Token: SeSystemEnvironmentPrivilege	3844	wmic.exe
Token: SeRemoteShutdownPrivilege	3844	wmic.exe
Token: SeUndockPrivilege	3844	wmic.exe
Token: SeManageVolumePrivilege	3844	wmic.exe
Token: 33	3844	wmic.exe
Token: 34	3844	wmic.exe
Token: 35	3844	wmic.exe
Token: 36	3844	wmic.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 1156	4344	Bootstraper.exe	83
PID 4344 wrote to memory of 1156	4344	Bootstraper.exe	83
PID 1156 wrote to memory of 4984	1156	powershell.exe	85
PID 1156 wrote to memory of 4984	1156	powershell.exe	85
PID 4344 wrote to memory of 3844	4344	Bootstraper.exe	86
PID 4344 wrote to memory of 3844	4344	Bootstraper.exe	86

C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe\""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\Bootstraper.exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4984
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3844

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
e448fe0d240184c6597a31d3be2ced58

SHA1
372b8d8c19246d3e38cd3ba123cc0f56070f03cd

SHA256
c660f0db85a1e7f0f68db19868979bf50bd541531babf77a701e1b1ce5e6a391

SHA512
0b7f7eae7700d32b18eee3677cb7f89b46ace717fa7e6b501d6c47d54f15dff7e12b49f5a7d36a6ffe4c16165c7d55162db4f3621db545b6af638035752beab4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_feiift5a.grx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1156-0-0x00007FFCED2A3000-0x00007FFCED2A5000-memory.dmp

Filesize
8KB

Download
memory/1156-1-0x000001A96B220000-0x000001A96B242000-memory.dmp

Filesize
136KB

Download
memory/1156-11-0x00007FFCED2A0000-0x00007FFCEDD61000-memory.dmp

Filesize
10.8MB

Download
memory/1156-12-0x00007FFCED2A0000-0x00007FFCEDD61000-memory.dmp

Filesize
10.8MB

Download
memory/1156-27-0x00007FFCED2A0000-0x00007FFCEDD61000-memory.dmp

Filesize
10.8MB

Download