1621a516abb8ecf9459c9dec83f7fb9beb07af1f79511dfe0b3c622297ffa940

Resubmissions

08/09/2024, 20:04

240908-ytdntawame 10

08/09/2024, 19:15

240908-xx8gxstgkh 9

Analysis

max time kernel
873s
max time network
787s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 20:04

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General

Target

Bootstrapper.exe
Size

796KB
MD5

5f16b82a8b62d4cc9d6ce02f44e34109
SHA1

be96254773cba2c6f0b88e51319802b1c6394beb
SHA256

1621a516abb8ecf9459c9dec83f7fb9beb07af1f79511dfe0b3c622297ffa940
SHA512

956d983c7f076b176bfd1952e691e2d363c332dba317645ce991c9bb2f4ddd89771f0d035cbb70ab420b9dd906b3a6d0aecc6c8243ba6a4ac70979cebb00986b
SSDEEP

3072:nTaFZMwaCyYwC+M2FEv80IZOA/CyYwC+M2FEv80IZOAu80IZOA4:lhY7X2Kvh4hY7X2Kvhlh

Score

8^/10

discovery execution

Malware Config

Signatures

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
2528	powershell.exe
1856	powershell.exe
2536	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
2104	2564	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 4 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2528	powershell.exe
2536	powershell.exe
1856	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeDebugPrivilege	2536	powershell.exe
Token: SeDebugPrivilege	2564	Bootstrapper.exe
Token: 33	1512	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1512	AUDIODG.EXE
Token: 33	1512	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1512	AUDIODG.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2528	2564	Bootstrapper.exe	29
PID 2564 wrote to memory of 2528	2564	Bootstrapper.exe	29
PID 2564 wrote to memory of 2528	2564	Bootstrapper.exe	29
PID 2564 wrote to memory of 2528	2564	Bootstrapper.exe	29
PID 2564 wrote to memory of 2536	2564	Bootstrapper.exe	30
PID 2564 wrote to memory of 2536	2564	Bootstrapper.exe	30
PID 2564 wrote to memory of 2536	2564	Bootstrapper.exe	30
PID 2564 wrote to memory of 2536	2564	Bootstrapper.exe	30
PID 2564 wrote to memory of 1856	2564	Bootstrapper.exe	32
PID 2564 wrote to memory of 1856	2564	Bootstrapper.exe	32
PID 2564 wrote to memory of 1856	2564	Bootstrapper.exe	32
PID 2564 wrote to memory of 1856	2564	Bootstrapper.exe	32
PID 2564 wrote to memory of 2104	2564	Bootstrapper.exe	35
PID 2564 wrote to memory of 2104	2564	Bootstrapper.exe	35
PID 2564 wrote to memory of 2104	2564	Bootstrapper.exe	35
PID 2564 wrote to memory of 2104	2564	Bootstrapper.exe	35

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:2564
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Sola'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2528
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Desktop'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2536
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 1612
  2⤵
  - Program crash
  PID:2104

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2176

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x168
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1512

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
11174c5081631668a063c9e10f29a862

SHA1
c063a3e9e746be501540a20c37d6be5d96092c92

SHA256
89dc6d9da09c7f9bab138ff368c9a1f5cfeabfa2fa611fd279acd3d0201e5625

SHA512
82303a6eaa43ba2ae15aa8ffda70e71bee8bfb66078700fa5d37c5113487ed62d298d6e8fd2d697fcab2b052d92f391be39422777b5ce4e24b835f93f9a71011

Download Submit
memory/2564-17-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2564-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2564-3-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/2564-4-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/2564-1-0x0000000000840000-0x000000000086A000-memory.dmp

Filesize
168KB

Download
memory/2564-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2564-18-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2564-19-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2564-20-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/2564-21-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/2564-22-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2564-23-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download