3b530ace3209771f676e361ebc54dfc5d992d5069db93d416cd4b60745ccc400

Analysis

max time kernel
44s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 13:15

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General

Target

Ejerkredsen/Lulledes/Preconizing.ps1
Size

57KB
MD5

f5a06265c76853290d3b7ed1c1d3e7b9
SHA1

4083441407a629edd297d1a480a4957740b99fd1
SHA256

f15289a9086ec32c0f072940209c5c50412dde5275dac49a8d271cb53e843eab
SHA512

52ef36d8443eec762f2980b0ada477a9b74f0af2d0cedfb73015fbac04c28e85a85af4be6a4f67c6d7ee3b59b07abf6be2042465154ac3525e035947db15d6e8
SSDEEP

1536:WkR4j4yKcxRd7o7KeUwDwtPxOuCXMDerkvU:W9RK7rqPanrCU

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-609813121-2907144057-1731107329-1000\{282EA4A9-1B35-4EAC-8254-973AA48DE70F}	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	powershell.exe
Token: SeShutdownPrivilege	4756	explorer.exe
Token: SeCreatePagefilePrivilege	4756	explorer.exe
Token: SeShutdownPrivilege	4756	explorer.exe
Token: SeCreatePagefilePrivilege	4756	explorer.exe
Token: SeShutdownPrivilege	4756	explorer.exe
Token: SeCreatePagefilePrivilege	4756	explorer.exe
Token: SeShutdownPrivilege	4756	explorer.exe
Token: SeCreatePagefilePrivilege	4756	explorer.exe
Token: SeShutdownPrivilege	4756	explorer.exe
Token: SeCreatePagefilePrivilege	4756	explorer.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe
4756	explorer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3548	220	powershell.exe	90
PID 220 wrote to memory of 3548	220	powershell.exe	90

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Ejerkredsen\Lulledes\Preconizing.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
  2⤵
  PID:3548

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4756

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:4152

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oxnozktg.x4n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/220-5-0x0000013FD9360000-0x0000013FD9382000-memory.dmp

Filesize
136KB

Download
memory/220-10-0x00007FFD7F030000-0x00007FFD7FAF1000-memory.dmp

Filesize
10.8MB

Download
memory/220-11-0x0000013FF1830000-0x0000013FF1840000-memory.dmp

Filesize
64KB

Download
memory/220-12-0x0000013FF1830000-0x0000013FF1840000-memory.dmp

Filesize
64KB

Download
memory/220-18-0x0000013FF1830000-0x0000013FF1840000-memory.dmp

Filesize
64KB

Download
memory/220-19-0x00007FFD7F030000-0x00007FFD7FAF1000-memory.dmp

Filesize
10.8MB

Download
memory/220-20-0x0000013FF1830000-0x0000013FF1840000-memory.dmp

Filesize
64KB

Download
memory/220-21-0x0000013FF1830000-0x0000013FF1840000-memory.dmp

Filesize
64KB

Download
memory/220-22-0x0000013FF1830000-0x0000013FF1840000-memory.dmp

Filesize
64KB

Download
memory/220-23-0x0000013FF1820000-0x0000013FF1824000-memory.dmp

Filesize
16KB

Download