c428b777fd9fac77c8029085a66108d62721061f8e98cf44822442df875e984f

General

Target

Ret4ke_Free.bat
Size

105KB
MD5

49e8cb4f36b0418decd337ad4344ec63
SHA1

7d9de6ef525f818a1f8a99f2bb3f81070e9fb2ef
SHA256

c428b777fd9fac77c8029085a66108d62721061f8e98cf44822442df875e984f
SHA512

c3a58fcf17f46f79d3684b236616e28f804bfffd93d65e352c5e9ecc0145ef26da2dc32003df85c1d46d6aa69fdb9c26fcc1dbee087c462a495d1d748396f603
SSDEEP

768:pvI6Pt6PF8us+w/tKQeAmZQyqHZbCjACzACKbCkLBwFDKz0CXmhKueXRChsTDkPs:pvNbCjACzACKbCmmktWsYxjFy

Score

10^/10

evasion execution trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1996	powershell.exe
228	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1996	powershell.exe
1996	powershell.exe
228	powershell.exe
228	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	powershell.exe
Token: SeDebugPrivilege	228	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 5108	1460	cmd.exe	84
PID 1460 wrote to memory of 5108	1460	cmd.exe	84
PID 1460 wrote to memory of 3448	1460	cmd.exe	85
PID 1460 wrote to memory of 3448	1460	cmd.exe	85
PID 1460 wrote to memory of 528	1460	cmd.exe	86
PID 1460 wrote to memory of 528	1460	cmd.exe	86
PID 1460 wrote to memory of 1380	1460	cmd.exe	87
PID 1460 wrote to memory of 1380	1460	cmd.exe	87
PID 1460 wrote to memory of 3572	1460	cmd.exe	88
PID 1460 wrote to memory of 3572	1460	cmd.exe	88
PID 1460 wrote to memory of 1996	1460	cmd.exe	89
PID 1460 wrote to memory of 1996	1460	cmd.exe	89
PID 1460 wrote to memory of 3356	1460	cmd.exe	95
PID 1460 wrote to memory of 3356	1460	cmd.exe	95
PID 1460 wrote to memory of 2876	1460	cmd.exe	96
PID 1460 wrote to memory of 2876	1460	cmd.exe	96
PID 1460 wrote to memory of 2564	1460	cmd.exe	97
PID 1460 wrote to memory of 2564	1460	cmd.exe	97
PID 1460 wrote to memory of 228	1460	cmd.exe	98
PID 1460 wrote to memory of 228	1460	cmd.exe	98
PID 1460 wrote to memory of 4104	1460	cmd.exe	99
PID 1460 wrote to memory of 4104	1460	cmd.exe	99

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Ret4ke_Free.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\system32\reg.exe
  Reg.exe ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d "0" /f
  2⤵
  - UAC bypass
  PID:5108
- C:\Windows\system32\reg.exe
  Reg.exe add "HKCU\CONSOLE" /v "VirtualTerminalLevel" /t REG_DWORD /d "1" /f
  2⤵
  PID:3448
- C:\Windows\system32\reg.exe
  Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "RPSessionInterval" /f
  2⤵
  PID:528
- C:\Windows\system32\reg.exe
  Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "DisableConfig" /f
  2⤵
  PID:1380
- C:\Windows\system32\reg.exe
  Reg.exe add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v "SystemRestorePointCreationFrequency" /t REG_DWORD /d 0 /f
  2⤵
  PID:3572
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -ExecutionPolicy Unrestricted -NoProfile Enable-ComputerRestore -Drive 'C:\'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1996
- C:\Windows\system32\reg.exe
  Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "RPSessionInterval" /f
  2⤵
  PID:3356
- C:\Windows\system32\reg.exe
  Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "DisableConfig" /f
  2⤵
  PID:2876
- C:\Windows\system32\reg.exe
  Reg.exe add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v "SystemRestorePointCreationFrequency" /t REG_DWORD /d 0 /f
  2⤵
  PID:2564
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -ExecutionPolicy Unrestricted -NoProfile Enable-ComputerRestore -Drive 'C:\'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:228
- C:\Windows\system32\chcp.com
  chcp 65001
  2⤵
  PID:4104

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

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

Filesize
64B

MD5
50a8221b93fbd2628ac460dd408a9fc1

SHA1
7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

SHA256
46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

SHA512
27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x4wvs4cq.ckf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1996-0-0x00007FFC2DF63000-0x00007FFC2DF65000-memory.dmp

Filesize
8KB

Download
memory/1996-1-0x0000018A700F0000-0x0000018A70112000-memory.dmp

Filesize
136KB

Download
memory/1996-11-0x00007FFC2DF60000-0x00007FFC2EA21000-memory.dmp

Filesize
10.8MB

Download
memory/1996-12-0x00007FFC2DF60000-0x00007FFC2EA21000-memory.dmp

Filesize
10.8MB

Download
memory/1996-15-0x00007FFC2DF60000-0x00007FFC2EA21000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads