6a850e209de722ad4f57dd68f8af405d62ad6557772717bbd86052d1fe43910f

General

Target

Bootstrapper.exe
Size

104KB
MD5

7776882352548456cfc6f9827572d724
SHA1

22785b7dac19933527255ef7a96fb331f7a455a5
SHA256

6a850e209de722ad4f57dd68f8af405d62ad6557772717bbd86052d1fe43910f
SHA512

9d0cdc083f75bf524484c231a69e5179bdcc6a6b4ab845ede88aa9ef0f336b0d3d67e90752c545272958f82d8f4fdd1293bd070bd56a3cadaa252d2b53e864e2
SSDEEP

3072:CugCCyYwC+M2FE6CyYwC+M2FEa80IZOAr:CtChY7X2K6hY7X2Kah

Score

10^/10

discovery execution

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	964	1844	powershell.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1556	1844	powershell.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1152	1844	powershell.exe	30

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1556	powershell.exe
1152	powershell.exe
964	powershell.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2672	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bootstrapper.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
964	powershell.exe
1556	powershell.exe
1152	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	powershell.exe
Token: SeDebugPrivilege	1556	powershell.exe
Token: SeDebugPrivilege	1152	powershell.exe
Token: SeDebugPrivilege	2672	Bootstrapper.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2780	2672	Bootstrapper.exe	37
PID 2672 wrote to memory of 2780	2672	Bootstrapper.exe	37
PID 2672 wrote to memory of 2780	2672	Bootstrapper.exe	37
PID 2672 wrote to memory of 2780	2672	Bootstrapper.exe	37

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 1780
  2⤵
  - Program crash
  PID:2780

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Resourse'"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:964

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Desktop'"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1556

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
7ecb20cb62cc960e5a3ba2206fd5ac1f

SHA1
bd50890078f979bc88e023f43eb29cf72adab51d

SHA256
79ced587f205063213929af6f4e6f7e97158c90860e71a9fee24e749dd4457cb

SHA512
cb2a704f6f6d536d3e6ae23842eab57834cd546e0e1fe0f77bbf3515d5ef3950c54e9bbecaa4bdca4b088b25cc55bc84ba00aaed5e043edbfb16c79bcc2ca1bc

Download Submit
memory/964-23-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/964-22-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2672-8-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-3-0x0000000000870000-0x000000000087A000-memory.dmp

Filesize
40KB

Download
memory/2672-5-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-6-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-7-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/2672-0-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/2672-9-0x0000000000870000-0x000000000087A000-memory.dmp

Filesize
40KB

Download
memory/2672-10-0x0000000000870000-0x000000000087A000-memory.dmp

Filesize
40KB

Download
memory/2672-11-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-12-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-4-0x0000000000870000-0x000000000087A000-memory.dmp

Filesize
40KB

Download
memory/2672-2-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-1-0x0000000000890000-0x00000000008AE000-memory.dmp

Filesize
120KB

Download

Analysis

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