d97212f6b53955910db46c5bcda4fbe0eb109712d4b3bb1e139aee1b56ade30f

Resubmissions

01-10-2024 06:10

241001-gxfh5svaqk 10

01-10-2024 06:10

241001-gw8hjaycpg 8

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 06:10

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General

Target

お見積り依頼.exe
Size

617KB
MD5

7c1e195506cf284e5b49c8b3233a17ca
SHA1

21965a5bbbb0eb10a8943e0f0ad80f5077a87695
SHA256

759bf48589770e15226a694e1d8ea23a58e69f5121958eb692c68d46a59a25b4
SHA512

e785e17bee1abdc476ef3e12f76d5b77113ad318c4a0feb1f6a4f6060bf2ab0643d8af2d38c7718f83cbf60f0cbcb2b40037cccf9ef05b4d4aac62a8f551e27d
SSDEEP

12288:B5oRpQVnipnobW7NGzGW9x252e96CjrzhnheagXJ:joUnKCqVvT8I/UJ

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2768	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
292	2088	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	お見積り依頼.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2088	お見積り依頼.exe
2088	お見積り依頼.exe
2088	お見積り依頼.exe
2768	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	お見積り依頼.exe
Token: SeDebugPrivilege	2768	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2768	2088	お見積り依頼.exe	31
PID 2088 wrote to memory of 2768	2088	お見積り依頼.exe	31
PID 2088 wrote to memory of 2768	2088	お見積り依頼.exe	31
PID 2088 wrote to memory of 2768	2088	お見積り依頼.exe	31
PID 2088 wrote to memory of 292	2088	お見積り依頼.exe	33
PID 2088 wrote to memory of 292	2088	お見積り依頼.exe	33
PID 2088 wrote to memory of 292	2088	お見積り依頼.exe	33
PID 2088 wrote to memory of 292	2088	お見積り依頼.exe	33

C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe
"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 856
  2⤵
  - Program crash
  PID:292

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

Replay Monitor

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Downloads

memory/2088-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/2088-1-0x0000000000EC0000-0x0000000000F60000-memory.dmp

Filesize
640KB

Download
memory/2088-2-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-3-0x00000000005B0000-0x00000000005CE000-memory.dmp

Filesize
120KB

Download
memory/2088-4-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/2088-5-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-6-0x00000000009A0000-0x0000000000A08000-memory.dmp

Filesize
416KB

Download