70b34fd39a8536035490ba2000aba26d8a4bf416275a8091a962770477026f3d

Analysis

max time kernel
142s
max time network
145s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 02:53

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General

Target

filedata.exe
Size

2.7MB
MD5

d921d26cebc3bedad6419ef4298cd3e1
SHA1

973e0d3e6af8596f67e1a93b29122eea8af38108
SHA256

158e7d6361ca30df80d5edc5de38f5852961ad49dcc4e024f2ed8a00662c1792
SHA512

81cc4b95c081c1fefa63542d2583aa3f1820f66cd137fa4486d23601801712b3d1d4b1d9cdec7c8391ba0c5e2177778c987c2547faa95802cab1fccfe33741f3
SSDEEP

49152:nL2mxSw1wKb1ryOKQSg+o5Ru4rUjd/H8P3JiltNreKClt:Lnhb12Y5AD9cBuc

Score

10^/10

bootkit persistence

Malware Config

Signatures

Process spawned unexpected child process 1 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	2184	2952	powershell.exe	31

Deletes itself 1 IoCs

pid	Process
1524	cmd.exe

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

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	powershell.exe

Drops file in System32 directory 1 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

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
952	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe
2184	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 1524	2700	filedata.exe	34
PID 2700 wrote to memory of 1524	2700	filedata.exe	34
PID 2700 wrote to memory of 1524	2700	filedata.exe	34
PID 1524 wrote to memory of 952	1524	cmd.exe	36
PID 1524 wrote to memory of 952	1524	cmd.exe	36
PID 1524 wrote to memory of 952	1524	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\filedata.exe
"C:\Users\Admin\AppData\Local\Temp\filedata.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\system32\cmd.exe
  cmd.exe /c systeminfo > NUL && del "C:\Users\Admin\AppData\Local\Temp\filedata.exe" > NUL
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:952

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -C $env:psldr|iex|iex
1⤵
- Process spawned unexpected child process
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin:737B1129

Filesize
157B

MD5
4613bd1eef8eee3a77ed13bc6d79c9d6

SHA1
2a8d87d248fbc92f8700b72d4930828714fadb2f

SHA256
0e366995a587577e6fc240cc9f70323366b5b7c12064b4a7782dd9515b695965

SHA512
42aed6a9eb4224f0401a04304eba15926ad2b5b7d58b4ac871e6f9a07f2f7e7b8ba6165a35e7bc5a89381530ca88a645039a05f7d795a3c559d6bab298a1f705

Download Submit
memory/2184-25-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-10-0x000007FEF53F0000-0x000007FEF5D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-7-0x000007FEF53F0000-0x000007FEF5D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-4-0x000007FEF56AE000-0x000007FEF56AF000-memory.dmp

Filesize
4KB

Download
memory/2184-9-0x000007FEF53F0000-0x000007FEF5D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-8-0x000007FEF53F0000-0x000007FEF5D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-11-0x000007FEF53F0000-0x000007FEF5D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-12-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-13-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-29-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-35-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-43-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-45-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-47-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-61-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-27-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-73-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-17-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-19-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-21-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-5-0x000000001B610000-0x000000001B8F2000-memory.dmp

Filesize
2.9MB

Download
memory/2184-6-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2184-15-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-75-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-71-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-69-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-68-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-65-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-63-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-59-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-57-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-55-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-53-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-979-0x000007FEF53F0000-0x000007FEF5D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2184-51-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-50-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-41-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-39-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-37-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-33-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-31-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-23-0x000000001CAD0000-0x000000001CD92000-memory.dmp

Filesize
2.8MB

Download
memory/2184-1812-0x000007FEF56AE000-0x000007FEF56AF000-memory.dmp

Filesize
4KB

Download