31ce6dc019f37d3b34c7d99f945ea34ca9ad9e2f3006c2ed05c5a8d36989dc49

General

Target

Main.bat
Size

2KB
MD5

3c44fcfe65fd38a69db7160bc6008d27
SHA1

29864e7d3f54ab9353fe5b8a524777f1b984691c
SHA256

31ce6dc019f37d3b34c7d99f945ea34ca9ad9e2f3006c2ed05c5a8d36989dc49
SHA512

9a3236b6365090057a869f4d24cfd0808fae3d0ce7cdd3e0b7989fe121c4de92436ec8ceca5ef7d9d9eb1fb37776f94e879e5cf0ec5bcf11c1d9573480e6b115

Score

8^/10

defense_evasion execution

Malware Config

Signatures

Modify Registry: Disable Windows Driver Blocklist 2 TTPs 1 IoCs

Disable Windows Driver Blocklist via Registry.

defense_evasion

Modify Registry

T1112

Impair Defenses

T1562

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\CI\Config\VulnerableDriverBlocklistEnable = "0"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4988	powershell.exe
2356	powershell.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4988	powershell.exe
4988	powershell.exe
2356	powershell.exe
2356	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4988	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 3224	2740	cmd.exe	85
PID 2740 wrote to memory of 3224	2740	cmd.exe	85
PID 3224 wrote to memory of 2960	3224	net.exe	86
PID 3224 wrote to memory of 2960	3224	net.exe	86
PID 2740 wrote to memory of 5056	2740	cmd.exe	87
PID 2740 wrote to memory of 5056	2740	cmd.exe	87
PID 2740 wrote to memory of 4988	2740	cmd.exe	88
PID 2740 wrote to memory of 4988	2740	cmd.exe	88
PID 2740 wrote to memory of 1564	2740	cmd.exe	92
PID 2740 wrote to memory of 1564	2740	cmd.exe	92
PID 2740 wrote to memory of 2356	2740	cmd.exe	93
PID 2740 wrote to memory of 2356	2740	cmd.exe	93

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Main.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3224
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:2960
- C:\Windows\system32\reg.exe
  reg query "HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard" /v HypervisorEnforcedCodeIntegrity
  2⤵
  PID:5056
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  PowerShell -Command "New-Item -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\DeviceGuard' -Force; Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\DeviceGuard' -Name 'HypervisorEnforcedCodeIntegrity' -Value 0 -Type DWORD"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4988
- C:\Windows\system32\reg.exe
  reg query "HKLM\SYSTEM\CurrentControlSet\Control\CI\Config" /v VulnerableDriverBlocklistEnable
  2⤵
  PID:1564
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  PowerShell -Command "New-Item -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\CI\Config' -Force; Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\CI\Config' -Name 'VulnerableDriverBlocklistEnable' -Value 0 -Type DWORD"
  2⤵
  - Modify Registry: Disable Windows Driver Blocklist
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356

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

Impair Defenses

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
223bd4ae02766ddc32e6145fd1a29301

SHA1
900cfd6526d7e33fb4039a1cc2790ea049bc2c5b

SHA256
1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e

SHA512
648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc

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

Filesize
1KB

MD5
5161e9d6b9b677b7af6e5bb11a361b91

SHA1
9fe0a04c2bb86467b9aa584c78db4fc7eccfdd42

SHA256
addb0aa038e121d21d7b4bd4ba49316c05294a582cb430eb37ce3925324bd3d0

SHA512
95b4a85b4240145d35f1f14bc07ee87b597d484935599f898074be16a7bfcc6fdb36e31e5afedac1c83bdbcbf402c40a3573f2b3512ba521f3ad29fd503f7749

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kjbrfgmn.oqd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2356-17-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download
memory/2356-24-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download
memory/2356-29-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download
memory/2356-31-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download
memory/4988-0-0x00007FFC8CD43000-0x00007FFC8CD45000-memory.dmp

Filesize
8KB

Download
memory/4988-1-0x000001CDE24A0000-0x000001CDE24C2000-memory.dmp

Filesize
136KB

Download
memory/4988-11-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download
memory/4988-12-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download
memory/4988-15-0x00007FFC8CD40000-0x00007FFC8D801000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing