1740044424dee02f4c88b2cf3b9190061efdf7642e90b7a0d6706f2a982b771a

General

Target

Installer.exe
Size

418KB
MD5

84515ba27617fd0d6e6e61343c82ee56
SHA1

341ab08a1b2d951080f89db0ffb49a455d86d6c0
SHA256

6c82b47b3f2704735dc371304a37a9f57a8949c1367e027445fa277a948b0875
SHA512

ae04da3d9c3c2b6c7bbc7fe6c5b9b524bf1547b940c7c5990e0554da1e4ba6673f2ec92cd689f384e9333e97dacaa6a39bcc4a7f62e7069259b4c95dd9a33668
SSDEEP

6144:1KPCSvTvKhXQsutR5IXdoF+r2I1Fyjbl66A93LnYDttxU7Uu68ksVii:1BSvTkAXtvldA93LYzxOd69

Score

10^/10

defense_evasion discovery evasion execution privilege_escalation trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	Installer.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Installer.exe = "0"	Installer.exe

Detected Nirsoft tools 1 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/files/0x00070000000162e4-12.dat	Nirsoft

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
2844	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
2128	AdvancedRun.exe
2872	AdvancedRun.exe

Loads dropped DLL 4 IoCs

pid	Process
2676	Installer.exe
2676	Installer.exe
2128	AdvancedRun.exe
2128	AdvancedRun.exe

Windows security modification 2 TTPs 8 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	Installer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	Installer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Installer.exe = "0"	Installer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	Installer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	Installer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	Installer.exe

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
2128	AdvancedRun.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdvancedRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdvancedRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2128	AdvancedRun.exe
2128	AdvancedRun.exe
2872	AdvancedRun.exe
2872	AdvancedRun.exe
2676	Installer.exe
2676	Installer.exe
2844	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	AdvancedRun.exe
Token: SeImpersonatePrivilege	2128	AdvancedRun.exe
Token: SeDebugPrivilege	2872	AdvancedRun.exe
Token: SeImpersonatePrivilege	2872	AdvancedRun.exe
Token: SeDebugPrivilege	2676	Installer.exe
Token: SeDebugPrivilege	2844	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2128	2676	Installer.exe	32
PID 2676 wrote to memory of 2128	2676	Installer.exe	32
PID 2676 wrote to memory of 2128	2676	Installer.exe	32
PID 2676 wrote to memory of 2128	2676	Installer.exe	32
PID 2128 wrote to memory of 2872	2128	AdvancedRun.exe	33
PID 2128 wrote to memory of 2872	2128	AdvancedRun.exe	33
PID 2128 wrote to memory of 2872	2128	AdvancedRun.exe	33
PID 2128 wrote to memory of 2872	2128	AdvancedRun.exe	33
PID 2676 wrote to memory of 2844	2676	Installer.exe	34
PID 2676 wrote to memory of 2844	2676	Installer.exe	34
PID 2676 wrote to memory of 2844	2676	Installer.exe	34
PID 2676 wrote to memory of 2844	2676	Installer.exe	34
PID 2676 wrote to memory of 2580	2676	Installer.exe	36
PID 2676 wrote to memory of 2580	2676	Installer.exe	36
PID 2676 wrote to memory of 2580	2676	Installer.exe	36
PID 2676 wrote to memory of 2580	2676	Installer.exe	36
PID 2676 wrote to memory of 2580	2676	Installer.exe	36
PID 2676 wrote to memory of 2580	2676	Installer.exe	36
PID 2676 wrote to memory of 2580	2676	Installer.exe	36

C:\Users\Admin\AppData\Local\Temp\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\Installer.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\0b8d009f-99d0-401e-a7fe-260400c5f6ef\AdvancedRun.exe
  "C:\Users\Admin\AppData\Local\Temp\0b8d009f-99d0-401e-a7fe-260400c5f6ef\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\0b8d009f-99d0-401e-a7fe-260400c5f6ef\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Access Token Manipulation: Create Process with Token
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Local\Temp\0b8d009f-99d0-401e-a7fe-260400c5f6ef\AdvancedRun.exe
    "C:\Users\Admin\AppData\Local\Temp\0b8d009f-99d0-401e-a7fe-260400c5f6ef\AdvancedRun.exe" /SpecialRun 4101d8 2128
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2872
- 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\Installer.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Users\Admin\AppData\Local\Temp\Installer.exe
  "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
  2⤵
  PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Access Token Manipulation

1

T1134

Create Process with Token

1

T1134.002

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Access Token Manipulation

1

T1134

Create Process with Token

1

T1134.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0b8d009f-99d0-401e-a7fe-260400c5f6ef\AdvancedRun.exe

Filesize
88KB

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/2676-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2676-1-0x00000000009A0000-0x0000000000A0E000-memory.dmp

Filesize
440KB

Download
memory/2676-2-0x0000000001E10000-0x0000000001E7A000-memory.dmp

Filesize
424KB

Download
memory/2676-13-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-19-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads